Archive for the ‘Batteries and Fuel Cells’ category

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Clean Tech in Court: Green Patent Complaint Update

May 31st, 2019

A number of new green patent infringement complaints were filed in March and April in the fields of LEDs and OLEDs, battery life conservation, and solar power.

 

LEDs and OLEDs

AfterGlow, LLC v. Bright Path Lighting, Inc.

CURRENT LIGHTING SOLUTIONS, LLC et al v. CREE, INC.

NEXT Lighting Corp v. Acuity Brands Lighting Inc

SEOUL SEMICONDUCTOR CO., LTD. et al v. Satco Products, Inc.

Solas OLED Ltd. v. LG Display Co., Ltd. et al

Technical LED Intellectual Property, LLC v. Shenzhen Gosund Technology Co., Ltd

TECHNICAL LED INTELLECTUAL PROPERTY, LLC v. IKEA NORTH AMERICA SERVICES, LLC

Lighting Science Group Corp. v. Acuity Brands, Inc. et al

Lighting Science Group Corp. v. Eaton Corporation plc et al

Lighting Science Group Corp. v. General Electric Company et al

Lighting Science Group Corp. v. Lumileds Holdings B.V. et al

Lighting Science Group Corp. v. Signify N.V. et al

Lighting Science Group Corp. et al v. Leedarson Lighting Co., Ltd. et al

Lighting Science Group Corp. v. Nichia Corporation et al


Battery Life Conservation

Battery Conservation Innovations, LLC v. InMotion Technology LLC

Battery Conservation Innovations, LLC v. Nite Ize, Inc.

 

Solar Power

Hanwha Q CELLS & Advanced Materials Corporation v. JinkoSolar Holding Co., Ltd. et al.

Hanwha Q CELLS & Advanced Materials Corporation v. LONGi Green Energy Technology Co., Ltd. et al

Hanwha Q CELLS & Advanced Materials Corporation v. REC Solar Holdings AS et al.

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Clean Tech in Court: Green Patent Complaint Update

January 29th, 2019

A number of new green patent complaints were filed in the 3rd and 4th quarters of 2018 in the areas of advanced batteries, green fitness equipment, eco-friendly pet products, LEDs and lighting control technologies, smart grid, solar power, and water technologies.

 

Advanced Batteries

Celgard, LLC v. MTI Corporation

 

Green Fitness Equipment

Green Fitness Equipment Company, LLC v. Precor Inc. et al

 

Green Pet Products

The Green Pet Shop Enterprises, LLC v. Fine Promotions

 

LEDs and Lighting Technologies

ETi Solid State Lighting, Inc. v. Menard, Inc.

Lemaire Illumination Technologies, LLC v. Huawei Technologies USA Inc. et al

LG Innotek Co., Ltd. v. MelodySusie Brand Industrial Co., Limited et al

LG Innotek Co.Ltd. v. Evergreat, Inc. et al

Next Lighting Corporation v. Cree, Inc.

Polaris PowerLED Technologies, LLC v. VIZIO, Inc.

SengLED USA, Inc. and Zhejiang Shenghui Lighting Co., Ltd. v. TVL International LLC

Sensor Electronic Technology, Inc. v. Bolb, Inc. et al

Seoul Semiconductor Co., Ltd. et al v. Fry’s Electronics, Inc.

Sovereign Peak Ventures, LLC v. Feit Electric Company, Inc.

Technical LED Intellectual Property, LLC v. Ilumi Solutions, Inc.

Technical LED Intellectual Property, LLC v. Lumenty Technologies, Inc.

Technical LED Intellectual Property, LLC v. Lumenty Technologies, Inc. 2

Technical LED Intellectual Property, LLC v. Sengled USA, Inc.

YJB LED, Inc. v. AXP Technology, Inc.

 

Smart Grid

SIPCO LLC v. Emerson Electric Co. et al

Sipco v. Fibar

SIPCO, LLC v. AEON LABS, LLC

SIPCO, LLC v. FrontPoint Security Solutions, LLC

 

Solar

Smart Solar Inc. dba Smart Living Home & Garden v. Sky Billiards, Inc. dba Best Choice Products

 

Water Technologies

Waters Corporation and Waters Technologies Corporation v. Agilent Technologies Inc.

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Clean Tech in Court: Green Patent Complaint Update

October 6th, 2017

Several new green patent complaints were filed in July and August in the areas of advanced batteries, electrolyzers for sewage treatment, LED lighting, eco-friendly pet products, solar powered trash compactors, and wind turbines.

 

Advanced Batteries

Somaltus LLC v. Universal Power Group

Somaltus LLC v. Tenergy Corporation

Somaltus LLC v. Maxim Integrated Products, Inc.

On July 26, 2017 Somaltus, a non-practicing entity, filed three patent infringement lawsuits against Universal Power Group (Somaltus v. Universal Power Group), Tenergy (Somaltus LLC v. Tenergy Corporation), and Maxim Integrated Products (Somaltus LLC v. Maxim Integrated Products Inc.).  The complaints were filed in U.S. District Court for the District of Delaware.

Each lawsuit asserts U.S. Patent No. 7,657,386, entitled “Integrated battery service system (‘386 Patent).

The ‘386 Patent is  directed to an integrated battery service system that performs a plurality of services related to a battery, such as battery testing, battery charging, and the like. In addition, the integrated service system provides services to devices/components that are coupled to the battery, such as starters, alternators, etc.

The accused products are Universal Power Group’s 24 v 8 amp Premium Quality Heavy Duty XLR 3-pin off-board Sealed AGM, GEL Universal 24BC8000T-1 battery charger, Tenergy’s T-9688 Universal 4 By NiMh/NiCd Smart Chargers, and Maxim’s Max77301 JEITA-Compliant Li+ Charger with Smart Power Selector.

 

Marine Sewage Treatment

DeNora Water Technologies Texas, LLC v. H2O, Inc.

This lawsuit involves bookcell electrolyzer technology used for oxidizing sewage.

The asserted patent is U.S. Patent No. 6,379,525, entitled “Enhanced electrolyzer” and directed to an electrolyzer including a housing having an inlet and an outlet at a common end.  Within the housing are disposed electrode elements, a passageway that connects the inlet to the outlet, and a divider is disposed in the passageway between the inlet and outlet. The divider causes fluid entering the inlet to flow through one section of the passageway and then through another section of the passageway before exiting through the outlet.

The complaint was filed August 17, 2017 in federal court in Houston, Texas, and lists Defendant’s multi-pass bookcell electrolyzers as the accused products.

 

LEDs

Bitro Group Inc. v. Advanced Lighting Concepts, Inc.

Bitro sued Advanced Lighting Concepts (ALC) August 24, 2017 in U.S. District Court for the District of New Jersey asserting infringement of U.S. Patent No. 9,113,558 (‘558 Patent).

The ‘558 Patent is entitled “LED mount bar capable of freely forming curved surfaces thereon” and directed to an LED tape light strip with a structure that allows it to be bent in the direction of its width so it can be used for lighting that must conform to unique shapes.

The accused product listed in Bitro’s complaint is Defendant’s CurrentControl Bendable ZigZag LED Strip Light.

 

Blackbird Tech LLC v. Ontel Products Corporation

Filed August 23, 2017 in U.S. District Court for the District of New Jersey, Blackbird’s complaint alleges that Ontel Products infringes U.S. Patent No. 6,883,927 (‘927 Patent).

Entitled “Frame assembly and light for an electrical wall conduit,” the ‘927 Patent is directed to a frame assembly for covering a wall conduit having a connection to electrical power.  The frame assembly comprises a light powered by an electrical circuit connected to the connection and a frame for housing the light.  The frame has an opening allowing access to the component through the frame, a side and an aperture in the side allowing the light to illuminate a space outside the frame assembly through the aperture.

The accused products are Ontel’s Night Angel electrical wall outlet covers.

 

Document Security Systems, Inc. v. Lite-On, Inc. et al.

Document Security Systems (DSS) filed this lawsuit against Lite-On August 15, 2017 in U.S. District Court for the Central District of California asserting three LED patents.

The complaint contains a long list of accused products, e.g., many of Lite-On’s PLCC Series LED products, including both single color and multi-color lights.

The asserted patents are:

U.S. Patent No. 6,949,771, entitled “Light source”

U.S. Patent No. 7,524,087, entitled “Optical Device”

U.S. Patent No. 7,256,486, entitled “Packing device for semiconductor die, semiconductor device incorporating same and method of making same”

 

Technical LED Intellectual Property, LLC v. Osram Sylvania Inc.

Technical LED IP sued Osram on August 9, 2017 for alleged infringement of two patents relating to phosphor-based LED lights.  The complaint was filed in U.S. District Court for the District of Delaware.

The asserted patents are U.S. Patent Nos. RE41,685 (‘685 Patent) and 6,373,188 (‘188 Patent).

The ‘685 Patent is entitled “Light source with non-white and phosphor-based white LED devices, and LCD assembly” and directed to a light source incorporating phosphor-based white and non-white LEDs, which may be raised off the floor of the optical cavity to permit light to be emitted from the base of the LED.  A reflective protrusion may be placed beneath the raised LED to aid in redirecting light forward, and the LEDs may be skewed in relation to adjacent LEDs to reduce interference.

Entitled “Efficient solid-state light emitting device with excited phosphors for producing a visible light output,” the ‘188 Patent is directed to a solid-state light emitting device in which phosphors excited by radiation produce visible light.  The efficiency of the device is increased by providing a reflector adjacent to the phosphor layer for reflecting at least some of the radiation that passes through the phosphor back into the phosphor. The reflector may also reflect at least some of the visible light that is emitted by the phosphor toward a designated light output.

The accused products include, among others, Osram’s LEP-2100-840-HD-C,  LEP-2100-930-HD-C, LEP-800-840-HD-C, LEP800-930-HD-C, LED12A19/DIM/F/927, LCW CP7P-KPKR-5R8T, and LE CW E3B-NYPZ-QRRU models.

 

Green Pet Products

The Green Pet Shop Enterprises, LLC v. Unique Petz, Inc.

The Green Pet Shop Enterprises, LLC v. C&A Marketing, Inc.

The Green Pet Shop Enterprises, LLC v. European Home Design, LLC

The Green Pet Shop Enterprises, LLC v. Telebrands Corporation

These lawsuits involve pet pad technology that cools your pets without water or electricity.  These four complaints were filed August 16 and 17, 2017 in federal court in New Jersey and New York (THE GREEN PET SHOP ENTERPRISES, LLC v. C&A MARKETING, INC.; The Green Pet Shop Enterprises, LLC v. European Home Design, LLC; THE GREEN PET SHOP ENTERPRISES, LLC v. TELEBRANDS CORPORATION; The Green Pet Shop Enterprises, LLC v. Unique Petz, Inc.).

The asserted patents are U.S. Patent Nos. 8,720,218 and 9,226,474, both entitled “Pressure activated recharging cooling platform” and directed to a cooling platform comprising a temperature regulation layer, a support layer, and a channeled covering layer.  The temperature regulation layer is adapted to hold a composition and has a plurality of angled segments, wherein angled segments within a sealed perimeter of the temperature regulation layer are formed by a top side and a bottom side at a predefined distance, and channels, wherein the channels substantially form sides by contacting the top side with the bottom side at a distance lesser than the predefined distance.

The complaints allege that the defendants’ respective cooling mat products infringe the two patents.

 

Solar Powered Trash Compactors

BigBelly Solar, Inc. v. Ecube Labs Co.

In this lawsuit filed July 28, 2017 in U.S. District Court for the Central District of California, BigBelly asserts two patents relating to solar powered compaction technology.

U.S. Patent Nos. 7,124,680 and 7,481,159 are related patents, each entitled “Solar powered compaction apparatus” and directed to a trash compactor powered by a photovoltaic cell array.  The compaction feature allows the unit to be emptied less often than a typical trash container.  A removable bin allows easy removal of the compacted trash and can include multiple chambers for different trash types.

BigBelly’s complaint alleges that Ecube’s Clean CUBE product infringes the patents.

Wind Power

General Electric Co. v. Vestas Wind Systems A/S et al.

In this important wind industry lawsuit involving Zero Voltage Ride Through (ZVRT) technology, GE alleges that its Danish competitor, Vestas, infringes U.S. Patent No. 7,629,705 (‘705 Patent).

The ‘705 Patent is entitled “Method and apparatus for operating electrical machines” and directed to methods of facilitating zero voltage ride through so the turbine can remain online during voltage dips down to zero volts.

The complaint was filed July 31, 2017 in U.S. District Court for the District of California and lists the accused products as Vestas’ V90-3.0, V100-2.0, V112-3.0 and V117-3.3 wind turbines.

GE had a big win against Mitsubishi with this patent back in 2012.

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Clean Tech in Court: Green Patent Complaint Update

August 1st, 2017

Several new green patent complaints were filed in May and June in the areas of advanced batteries, electroluminescence lighting technology, green cleaning solvents, and LEDs.

 

Advanced Batteries

Milwaukee Electric Tool Corp. et al. v. Chervon (HK) Ltd.

In this lawsuit Milwaukee Electric asserted infringement of three patents relating to lithium-ion battery powered cordless power tools.

The patents-in-suit are:

U.S. Patent No. 7,554,290, entitled “Lithium-based battery pack for a hand-held power tool”

U.S. Patent No. 7,944,173, entitled “Lithium-based battery pack for a high current draw, hand held power tool”

U.S. Patent No. 7,999,510, entitled “Lithium-based battery pack for a high current draw, hand held power tool”

The complaint was filed May 5, 2017 in U.S. District Court for the Eastern District of Wisconsin.  The accused products are Chervon’s Kobalt, Masterforce, Performax, and Craftsman branded tools.

 

Electroluminescence Lighting Technology

Shenzhen EL Lighting Technology Co. v. Midwest Trading Group, Inc.

Filed in U.S. District Court for the District of Colorado on May 5, 2017, Shenzhen’s complaint accuses Midwest Trading Group of infringing U.S. Patent No. 6,960,725 (‘725 Patent).

The ‘725 Patent is entitled “Electroluminescence (EL) tube and wire and manufacturing method” and directed to an electroluminescent wire core having a flexible central electrode, a luminescent layer and a transparent, conductive layer.  An outer surface of the central electrode is coated with the luminescent layer and the transparent, conductive layer, and the luminescent power is covered by thermoplastic macromolecular polymer and synthetic resin.

The accused products are the PowerXcel LIGHT-UP cables.

Green Cleaning Solvents

GreenEarth Cleaning, LLC v. Cameron Park Fresh Cleaners, Inc.

GreenEarth Cleaning, LLC v. Walrus Cleaners, Inc.

These actions for patent infringement, trademark infringement, and breach of contract were filed June 23 and June 26, 2017, respectively, in the U.S. District Court for the Western District of Missouri.

Although the complaints (GreenEarth Cleaning, L.L.C. v. Cameron Park Fresh Cleaners, Inc.; GreenEarth Cleaning, L.L.C. v. Walrus Cleaners, Inc.)list nine patents, there is only one count of patent infringement asserting U.S. Patent No. 5,942,007 (‘007 Patent).

The ‘007 Patent is entitled “Dry cleaning method and solvent” and directed to dry cleaning methods comprising the steps of immersing clothes in a dry cleaning fluid including a cyclic siloxane composition, agitating the clothes in the composition, and then removing the cyclic siloxane composition by centrifugal action and air circulation.

According to the Abstract of the ‘007 Patent, the “cyclic-siloxane-based solvent allows the system to result in an environmentally friendly process which is, also, more effective in cleaning fabrics and the like than any known prior system.”

GreenEarth alleges that both defendants breached their respective license agreements with GreenEarth.

 

LEDs

Lighting Science Group Corporation v. Leedarson Lighting Co. et al.

Lighting Science Group sued Leedarson May 9, 2017 in federal court in Orlando for infringement of three patents: U.S. Patent No. 8,201,968 (‘968 Patent), U.S. Patent No. 8,967,844 (‘844 Patent), and U.S. Patent No. 8,672,518 (‘518 Patent).

Entitled “Low profile light,” the ’968 Patent is directed to a luminaire including a heat spreader and a heat sink disposed outboard of the heat spreader, an outer optic securely retained relative to the heat spreader and/or the heat sink, and an LED light source.  The ‘518 Patent and the’ 844 Patent are entitled “Low profile light and accessory kit for the same” and relate to LSG’s disc light LED devices.

The complaint alleges that defendant’s downlight luminaires, including the DL-N19A9ER1-27 and DL-N19A11FR1-27 families of products, infringe the asserted patents.

Nitride Semiconductors Co. v. Rayvio Corporation

In this lawsuit involving UV LED technology, Nitride accuses Rayvio of infringing U.S. Patent No. 6,861,270, entitled “Method for manufacturing gallium nitride compound semiconductor and light emitting element” (‘270 Patent).

The ‘270 Patent is directed to a method for manufacturing a GaN compound semiconductor which can improve light emitting efficiency even when dislocations are present. An n type AlGaN layer, a undoped AlGaN layer, and a p type AlGaN layer are laminated on a substrate to obtain a double hetero structure. When the undoped AlGaN layer is formed, droplets of Ga or Al are formed on the n type AlGaN layer.

The compositional ratio of Ga and Al in the undoped AlGaN layer varies due to the presence of the droplets, creating a spatial fluctuation in the band gap. Because of the spatial fluctuation in the band gap, the percentage of luminous recombinations of electrons and holes is increased.

The complaint was filed May 23, 2017 in U.S. District Court for the Northern District of California.  The accused products include Rayvio’s SB4 LED.

Document Security Systems, Inc. v. Cree, Inc.

Document Security Systems, Inc. v. Everlight Electronics Co. et al.

Document Security Systems (DSS) filed two lawsuits June 8, 2017 in U.S. District Court for the Central District of California asserting several LED patents.

The complaint against Cree (Document Security Systems, Inc. v. Cree, Inc.) lists as accused products, e.g., some of Cree’s XLamp ML products, CLM Series products, CLP Series products, and XLamp XB-D Family LED products.

The complaint against Everlight (Document Security Systems, Inc. v. Everlight Electronics Co., Ltd. et al) lists the PLCC Top View SMD LED, the 2214 package series, the 3020 package series, and several other products.

The combination of asserted patents varies by suit but comprise the following:

U.S. Patent No. 6,949,771, entitled “Light source”

U.S. Patent No. 7,256,486, entitled “Packing device for semiconductor die, semiconductor device incorporating same and method of making same”

U.S. Patent No. 7,279,355, entitled “Method for fabricating a packing device for semiconductor die and semiconductor device incorporating same”

U.S. Patent No. 7,524,087, entitled “Optional Device”

U.S. Patent No. 7,919,787, entitled “Semiconductor device with a light emitting semiconductor die”

 

Everlight Electronics Co. v. Bridgelux, Inc.

On the enforcement side, Everlight sued Bridgelux for patent infringement June 10, 2017 in federal court in San Francisco.

U.S. Patent Nos. 6,335,548 and 7,253,448 entitled “Semiconductor radiation emitter package” and directed to a semiconductor optical radiation package including a leadframe, a semiconductor optical radiation emitter, and an encapsulant.  The leadframe has a heat extraction member, which supports the semiconductor optical emitter and provides one or more thermal paths for removing heat.  The encapsulant covers and protects the emitter and optional wire bonds from damage and allows radiation to be emitted.

The complaint alleges that Bridgelux’s 2835 LED products infringe the patents.

 

Nanolumens Acquisition Inc. et al. v. Gable Signs & Graphics, Inc.

Nanolumens Acquisition Inc. et al. v. InfiLED USA, LLC

Nanolumens Acquisition Inc. et al. v. PixelFlex LLC

Nanolumens filed at least three infringement suits in June, each asserting three flexible LED display patents.

The patents are U.S. Patent No. 8,963,895, entitled “Ubiquitously mountable image display system,” relating to a ubiquitously mountable image display systems; U.S. Patent No. 9,159,707, entitled “Flexible display,” relating to a flexible display.  U.S. Patent No. 9,640,516, entitled Flexible display apparatus and method”,” relating to a flexible display apparatus and methods.

The complaint against Gable was filed June 9, 2017 in U.S. District Court for the District of Maryland; the complaint against InfiLED was filed June 9, 2017 in federal court in Atlanta; the complaint against Pixelflex was filed June 12, 2009 in federal court in Nashville.

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Celgard Urges Supremes to Condemn Judgments Without Opinions

July 13th, 2017

Previous posts (e.g., here, here and here) discussed the patent enforcement activity of Celgard, a North Carolina company that manufactures specialty membranes and separators for lithium ion batteries.

In these lawsuits, Celgard has asserted U.S. Patent No. 6,432,586 (’586 Patent).  The ’586 Patent is entitled “Separator for a high energy rechargeable lithium battery” and directed to a separator including a ceramic composite layer and a polyolefinic microporous layer.  The ceramic layer has a matrix material and is adapted to block dendrite growth and prevent electronic shorting.

A bunch of competitors challenged the ‘586 Patent in inter partes review (IPR) proceedings in the U.S. Patent and Trademark Office (USPTO).  After the Patent Trial and Appeal Board (PTAB) of the USPTO found claims 1-11 of the ‘586 patent invalid as obvious in the proceedings brought by LG Chem, Celgard appealed.

In a one-line per curiam order handed down in December last year, the U.S. Court of Appeals for the Federal Circuit affirmed the PTAB decision.  The Federal Circuit denied Celgard’s subsequent petition for rehearing en banc.

Celgard has now appealed the case to the Supreme Court.  In its petition for certiorari, the company asks the Supremes to consider four questions.

First, are IPR proceedings unconstitutional?:

Whether inter partes review – an adversarial process used by the the Patent and Trademark Office (“Patent Office”) to analyze the validity of existing patents – violates the Constitution by extinguishing private property rights through a non-Article III forum without a jury?

Second, are the Federal Circuit’s judgments without opinions improper?:

Whether the Federal Circuit’s issuance of Rule 36 judgments without opinions for the disposition of appeals from the Patent Office violates 35 U.S.C. § 144’s requirement that the Federal Circuit “shall issue” its “mandate and opinion” for such appeals?

Third, and related to the second question, do the Federal Circuit’s judgments without opinions violate the principles of justice?:

Whether the Federal Circuit’s pervasive practice of issuing Rule 36 judgments without opinions to affirm more than 50% of appeals from the Patent Office has exceeded the bounds of reasonableness and is inconsistent with “principles of right and justice”?

Fourth, Celgard challenges the PTAB’s obviousness ruling:

Whether the Patent Office’s consistent practice of failing to consider the claimed invention “as a whole” and failing to consider whether the combination of elements would lead to “anticipated success” in an obviousness determination conflicts with 35 U.S.C. § 103 and this Court’s precedent in KSR Int’l Co. v. Teleflex Inc., 550 U.S. 398, 421 (2007)?

For more on the importance of the issues raised in this advanced battery case, see Patently-O’s post here.

For my part, I probably too frequently judge without opining.  Perhaps there’s a broader lesson for all of us here…

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Clean Tech in Court: Green Patent Complaint Update

May 29th, 2017

There were many new green patent complaints filed in March and April in the areas of advanced batteries, fuel efficiency, green cleaning solvents, LEDs, smart grid, and solar power.

 

Advanced Batteries

Somaltus LLC v. Johnson Outdoors, Inc.

On March 14, 2017 Somaltus, a non-practicing entity, filed a patent infringement complaint against Johnson Outdoors in federal court in Marshall, Texas.

The lawsuit asserts U.S. Patent No. 7,657,386, entitled “Integrated battery service system (‘386 Patent).

The ‘386 Patent is  directed to an integrated battery service system that performs a plurality of services related to a battery, such as battery testing, battery charging, and the like. In addition, the integrated service system provides services to devices/components that are coupled to the battery, such as starters, alternators, etc.

The accused products are Minn Kota Digital Onboard Chargers.

 

Fuel Efficiency

Transtex LLC et al. v. WABCO Holdings Inc.

In this lawsuit involving aerodynamic trailer skirts for improving the efficiency of truck trailers, Transtex has asserted eight patents against WABCO.

The patents are as follows:

U.S. Patent No. 7,748,772, entitled “Resilient aerodynamic trailer skirts “

U.S. Patent No. 7,887,120, entitled “Aerodynamic trailer skirts”

U.S. Patent No. 7,942,467, entitled “Aerodynamic skirt support member”

U.S. Patent No. 7,942,469, entitled “Aerodynamic skirt panel”

U.S. Patent No. 7,942,471, entitled “Aerodynamic skirt shape”

U.S. Patent No. 8,292,351, entitled “Resilient strut for aerodynamic skirt”

U.S. Patent No. 8,449,017, entitled “Aerodynamic skirt resilient member”

U.S. Patent No. 8,678,474, entitled “Self-repositioning aerodynamic skirt”

The accused products are the TrailerSkirt TS248 and TS259 flat panel trailer skirts.

 

Green Cleaning Solvents

GreenEarth Cleaning, LLC v. Natomas Fresh Cleaners, Inc.

This action for patent infringement, trademark infringement, and breach of contract was filed April 18, 2017 in the U.S. District Court for the Western District of Missouri.

Although the complaint lists nine patents, there is only one count of patent infringement asserting U.S. Patent No. 5,942,007 (‘007 Patent).

The ‘007 Patent is entitled “Dry cleaning method and solvent” and directed to dry cleaning methods comprising the steps of immersing clothes in a dry cleaning fluid including a cyclic siloxane composition, agitating the clothes in the composition, and then removing the cyclic siloxane composition by centrifugal action and air circulation.

According to the Abstract of the ‘007 Patent, the “cyclic-siloxane-based solvent allows the system to result in an environmentally friendly process which is, also, more effective in cleaning fabrics and the like than any known prior system.”

GreenEarth alleges that Natomas Fresh, which had a license from GreenEarth, continues to use liquid silicone as a dry cleaning solvent though it is no longer a licensee.

 

LEDs

Document Security Systems, Inc. v. Seoul Semiconductor Co. et al.

Document Security Systems, Inc. v. Everlight Electronics Co. et al.

Document Security Systems, Inc. v. Cree, Inc.

In three lawsuits filed April 13, 2017 in federal court in Marshall, Texas, Document Security Systems has sued Seoul Semiconductor (Document Security Systems, Inc. v. Seoul Semiconductor Co., Ltd. et al.), Everlight Electronics (Document Security Systems, Inc. v. Everlight Electronics Co., Ltd. et al.), and Cree (Document Security Systems, Inc. v. Cree, Inc.).

The combination of asserted patents varies by suit but comprise the following:

U.S. Patent No. 6,949,771, entitled “Light source”

U.S. Patent No. 7,256,486, entitled “Packing device for semiconductor die, semiconductor device incorporating same and method of making same”

U.S. Patent No. 7,279,355, entitled “Method for fabricating a packing device for semiconductor die and semiconductor device incorporating same”

U.S. Patent No. 7,524,087, entitled “Optional Device”

U.S. Patent No. 7,919,787, entitled “Semiconductor device with a light emitting semiconductor die”

The accused products include LED devices for the automotive market.

Epistar Corporation v. Lowe’s Companies, Inc.

Epistar sued Lowe’s for patent infringement on April 28, 2017 in U.S. District Court for the Central District of California.

The patents-in-suit are:

U.S. Patent No. 6,346,771, entitled “High power LED lamp”

U.S. Patent No. 7,560,738, entitled “Light-emitting diode array having an adhesive layer”

U.S. Patent No. 8,791,467, entitled “Light emitting diode and method of making the same”

U.S. Patent No. 8,492,780, entitled “Light-emitting device and manufacturing method thereof”

U.S. Patent No. 8,587,020, entitled “LED Lamps”

According to the complaint, the Kichler Lighting 60 W equivalent dimmable bulb, the Utilitech 60 W equivalent warm white bulb and similar products infringe the patents.

 

Golight, Inc. v. KH Industries, Inc. et al.

Filed March 1, 2017 in the U.S.District Court for the District of Colorado, Golight’s lawsuit asserts U.S. Patent No. 9,255,687, entitled “LED system and housing for use with halogen light fixtures” (‘687 Patent).

The complaint alleges that KH’s LED NightRay line of lighting products infringes the ‘687 Patent.

The ‘687 Patent is directed to an optical projection lens for mounting in front of LEDs.  The lens has a plurality of protrusions of varying thickness wherein the outermost edges of each protrusion has the thickest measurement, the center of each protrusion has the thinnest measurement, and the protrusions merge individual beams of light into a single beam of light.

 

Lemaire Illumination Technologies, LLC v. LG Electronics USA, Inc. et al.

Lemaire Illumination Technologies sued LG for alleged infringement of three patents relating to LED lighting technology.

The patents-in-suit are U.S. Patent Nos. 6,095,661 (‘661 Patent), 6,488,390 (‘390 Patent) and 9,119,266 (‘266 Patent).

The ‘661 Patent is entitled “Method and apparatus for an L.E.D. flashlight” and the ‘390 Patent is entitled “Color-adjusted camera light and method” and these related patents are directed to an LED flashlight including  a control circuit for maintaining a predetermined light output level of the LED units as a charge on a battery varies.

The ‘266 Patent is entitled “Pulsed L.E.D. illumination apparatus and method” and directed to an illumination source for a camera including one or more LEDs and a control circuit for driving the LEDs with electrical pulses at a frequency high enough that light produced has an appearance to a human user of being continuous rather than pulsed.

Filed in federal court in Marshall, Texas on April 14, 2017, the complaint lists the LG G3 and G4 smartphones as accused devices.

 

Philips Lighting North America Corporation et al. v. Deco Enterprises, Inc.

In a lawsuit filed April 12, 2017 in U.S. District Court for the District of Massachusetts, Philips asserted five patents related to LED drivers and circuits against Deco.

The patents-in-suit are:

U.S. Patent No. 6,094,014, entitled “Circuit arrangement, and signaling light provided with the circuit arrangement”

U.S. Patent No. 6,586,890, entitled “LED driver circuit with PWM output”

U.S. Patent No. 7,038,399, entitled “Methods and apparatus for providing power to lighting devices”

U.S. Patent No. 7,262,559, entitled “LEDS driver”

U.S. Patent No. 8,070,328, entitled “LED downlight”

The accused devices listed in the complaint include the Lucera series surface-mounted LED lighting fixtures.

 

Putco, Inc. v. Metra Electronics

This lawsuit involves LED headlight technology.  Putco alleges that Metra’s Heise Lighting Ssystems LED headlight replacement kits infringe U.S. Patent No. 9,243,796, entitled “LED lamp with a flexible heat sink” (‘796 Patent).

The ‘796 Patent is directed to an LED lamp with a flexible heat sink and a method of installing the lamp into a light fixture.

The complaint was filed March 10, 2017 in U.S. District Court for the Southern District of Iowa.

 

Blackbird Tech v. Civilight North America

Blackbird Tech v. Euri Lighting

Blackbird Tech v. Great Eagle Lighting

Blackbird Tech v. MSI Lighting

Blackbird Tech v. Satco Products

Blackbird Tech v. S.E.L.S.

Blackbird Tech initiated several new lawsuits April 19, 2017 in U.S. District Court for the District of Delaware.

The asserted patent in these suits is U.S. Patent No. 7,114,834 (‘834 Patent).  Entitled “LED lighting apparatus,” the ‘834 Patent is directed to a light comprising a housing, a plurality of LED lights coupled in an array inside of the housing, and a reflective protrusion for reflecting light from the LED lights out of the housing.

The LED array receives a consistent flow of DC current that will not result in the LED lights burning out. To prevent the LED array from burning out there is also a current regulator for controlling a current flowing through this LED array.

The complaints can be found here: Blackbird Tech LLC v. Civilight North America Corp.; Blackbird Tech LLC v. Euri Lighting; Blackbird Tech LLC v. Great Eagle Lighting Corporation; Blackbird Tech LLC v. MSI Lighting, Inc.; Blackbird Tech LLC v. S.E.L.S. USA, LLC; Blackbird Tech LLC v. Satco Products, Inc..

 

Smart Grid

Clean Energy Management Solutions, LLC v. ABB Inc.

Clean Energy has asserted infringement of U.S. Patent No. 6,577,962 (‘962 Patent).  The complaint was filed March 1, 2017 in federal court in Marshall, Texas and names ABB as the sole defendant.

Entitled “System and method for forecasting energy usage load,” the ‘962 Patent is directed to systems and methods for forecasting energy usage load for a facility including a parameter identification module for determining periodic energy load usage of the facility and a load prediction module for generating energy usage load forecast profiles for the facility.  A set of matrices may include a matrix for storing coefficients for determining periodic changes in energy load usage, and a model parameter matrix for storing load parameter information.

The accused product is ABB’s Energy Management Software with Energy Management and Optimization Solution.

 

Solar Power

Allsop, Inc. v. Ambient Lighting, Inc.

Allsop sued Ambient for alleged infringement of U.S. Patent Nos. 8,657,461 and 8,192,044, both entitled “Solar-powered collapsible lighting apparatus” and directed to a solar-powered lighting apparatus having a light transmissible spherical shade coupled to a housing that receives a solar cell, a battery and at least a portion of a lighting element assembly.

The complaint was filed April 10, 2017 in federal court in Seattle.

The accused product are several models of Ambient’s collapsible lanterns, including the “Coastal Blues 12” solar lanterns.

Rillito River Solar LLC v. Ecolibrium Solar Inc.

Rillito River Solar sued Ecolibrium March 22, 2017 in the U.S. District Court for the District of Arizona.

The complaint alleges that Ecolibrium’s EcoX line of products infringe U.S. Patent No. 9,422,723, entitled “Roofing grommet forming a seal between a roof-mounted structure and a roof” (‘723 Patent).

The ‘723 Patent is directed to a roof mount assembly including a piece of flashing positioned on the substrate.  The flashing includes a first surface, a second surface opposite the first surface and an aperture extending through the flashing.  A fastener extends through the flashing aperture, a bracket is connected to the flashing via the fastener, and a water-tight seal is positioned between the flashing aperture and the fastener.

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Clean Tech in Court: Green Patent Complaint Update

March 29th, 2017

Several new green patent complaints were filed in January and February in the areas of advanced batteries, waste-to-energy feedstocks, energy-efficient exercise equipment, and LEDs.

 

Advanced Batteries

Advanced Electrolyte Technologies LLC et al. v. ESDI LLC et al.

Advanced Electrolyte Technologies (AET) sued ESDI and several divisions of Samsung in a complaint filed January 18, 2017 in federal court in Austin, Texas.

AET alleges that the defendants infringe U.S. Patent No. 6,033,809 (‘809 Patent) and U.S. Patent No. 6,927,001 (‘001 Patent), which relate to electrolytes for lithium-ion batteries.

The ‘809 Patent is entitled “Lithium secondary battery and electrolyte thereof” and directed to non-aqueous electrolyte lithium secondary battery comprising a cathode, an anode and a non-aqueous electrolyte comprising an electrolyte dissolved in a non-aqueous solvent, wherein the solvent contains a cyclic carbonate, a linear carbonate, and a sultone derivative.

Entitled “Non-aqueous electrolyte solution and lithium secondary battery,” the ‘001 Patent is directed to non-aqueous electrolytic solution composed of two or more organic compounds dissolved in a solvent composed of a cyclic carbonate and a chain carbonate in which both of the organic compounds have a reduction potential higher than those of the cyclic and chain carbonates, and in which one of the organic compounds has a reduction potential equal to that of another organic compound or has a reduction potential lower or higher than that of another organic compound.

The complaint contains a long list of accused products including batteries used in the Samsung Chromebook 3 and 7 Spin, as well as batteries used in several Samsung Galaxy devices.

 

Somaltus LLC v. Cummins, Inc. et al.

Somaltus LLC v. Honeywell International, Inc.

Somaltus LLC v. Minn Kota, Inc.

Somaltus LLC v. Pro Charging Systems, LLC

Somaltus, a non-practicing entity, filed four new lawsuits on January 12, 2017, all federal court in Marshall, Texas, against Cummins (Somaltus v. Cummins), Honeywell (Somaltus v. Honeywell), Minn Kota (Somaltus v. Minn Kota), and Pro Charging Systems (Somaltus v. Pro Charging Systems).

Each suit asserts U.S. Patent No. 7,657,386, entitled “Integrated battery service system (‘386 Patent).

The ‘386 Patent is  directed to an integrated battery service system that performs a plurality of services related to a battery, such as battery testing, battery charging, and the like. In addition, the integrated service system provides services to devices/components that are coupled to the battery, such as starters, alternators, etc.

The accused products are the Cummins Energy Command (EC-30) power generation system, Honeywell’s 2.1 Amp Dual USB AC Charging Adapter, the 2.1 Amp Single USB AC Charging Adapter, and the Ovale 4.2 Amp Smart Charging Station, the Minn Kota Digital Onboard Charger, and the Pro Charging Systems Dual Pro Eagle Chargers.

 

Waste-to-energy Feedstocks

Accordant Energy, LLC v. Vexor Technology, Inc. et al.

In this lawsuit Accordant Energy accuses Vexor of infringing two patents relating to engineered feedstocks.

The patents are U.S. Patent Nos. 9,062,268 and 9,523,051, each entitled “Engineered fuel feed stock” and directed to feed stocks for use as gasification and combustion fuels and methods of making the feed stocks.  Components derived from processed MSW waste streams are used to make the feed stocks, which are substantially free of glass, metals, grit and noncombustibles.

Filed February 28, 2017 in U.S. District Court for the Northern District of Ohio, the complaint names Vexor Engineered Fuel as the accused product.

Energy-Efficient Exercise Equipment

Green Fitness Equipment Co. v. Precor Inc.

It’s not every day you see patent litigation involving green exercising technology, but this one is about exactly that.

In a complaint filed February 8, 2017 in U.S. District Court for the Southern Distric of California, Green Fitness alleges that Precor has incorporated its patented invention into its EFC Elliptical Cross-trainer products that include Active Status Light technology.

The patent-in-suit is U.S. Patent No. 8,884,553, entitled “Current monitor for indicating a condition of attached electrical apparatus” (‘553 Patent).

The ‘553 Patent is directed to a current monitor that indicates a condition of attached electrical equipment.  The current monitor can determine a predetermined range in which current being withdrawn by the attached electrical apparatus lies.  Based on the determined range, corresponding display electronic elements, such as light emitting diodes (LEDs), can be activated.

The commercial embodiment of Green Fitness’s patented invention is its Treadmill Saver product.

LEDs

Metrospec Technology LLC v. Hubbell Lighting, Inc.

This lawsuit was filed February 3, 2017 in U.S. District Court for the District of Minnesota.  The complaint asserts three patents relating to high intensity flexible light circuits.

The patents are U.S. Patent Nos. 8,143,631, 8,525,193 and 9,341,355, each entitled “Layered structure for use with high power light emitting diode systems.”

The asserted patents are directed to a layered structure comprising an electrically insulating intermediate layer interconnecting a top layer and a bottom layer.  The top layer, the intermediate layer, and the bottom layer form an at least semi-flexible elongate member which is bendable laterally to a radius of at least 6 inches, twistable relative to its longitudinal axis up to 10 degrees per inch, and bendable to conform to localized heat sink surface flatness variations having a radius of at least 1 inch.

Metrospec alleges that the NorFlex product offered by Hubbell’s Thomas Research Products division infringes the patents.

Unity Opto Technology Co. v. Cree, Inc.

Unity Opto Technology Co. v. Cree, Inc.

Unity Opto Technology (UOT) sued Cree twice in January, seeking a declaratory judgement that Cree’s U.S. Patent Nos. 8,596,819 (‘819 Patent), 8,628,214 (‘214) Patent),  8,998,444 (‘444 Patent) and 9,052,067 (‘067 Patent) are invalid and that UOT does not infringe the ‘067 Patent.

The ‘819 and ‘214 Patents are entitled “Lighting device and method of lighting” and directed to a lighting device which emits light with an efficacy of at least 60 lumens per watt, and up to at least 300 lumens in some embodiments, where the output light has a CRI Ra of at least 90.  The lighting device comprises at least one solid state light emitter, e.g., one or more light emitting diodes, and optionally further includes one or more lumiphor.

The ‘444 Patent is entitled “Solid state lighting devices including light mixtures” and directed to a solid state lighting apparatus including at least a first LED and a second LED.  The first LED emits light in the blue portion of the visible spectrum and red light in response to the blue light. The second LED emits light having a color point that is above the planckian locus of a 1931 CIE Chromaticity diagram, and in particular may have a yellow green, greenish yellow or green hue.

Entitled “LED lamp with high color rendering index,” the ‘067 Patent is directed to an LED lamp that can emit light with a color rendering index (CRI) of at least 90 without remote wavelength conversion.

The first complaint was filed January 3, 2017 in U.S. District Court for the Central District of California.  The second complaint was filed January 6, 2017 in the same court.

Solar Mounting Systems

Rillito River Solar, LLC v. Bamboo Industries LLC

In a lawsuit filed January 26, 2017 in U.S. District Court for the Eastern District of California, Rillito sued Bamboo Industries LLC dba SolarHooks for alleged infringement of three patents relating to solar mounting systems.

The complaint lists SolarHooks’ Composition Flashing Kit as the accused product.

The patents-in-suit are U.S. Patent Nos. 8,153,700 (‘700 Patent), 9,134,044 (‘044 Patent) and 9,447,988 (‘988 Patent).

Entitled “Roofing system and method,” the ‘700 Patent is directed to a roof mounting system which includes a roof substrate and flashing supportable on the substrate and an outwardly extending projection having a concave interior side and an aperture extending through the projection between top and bottom surfaces of the flashing. A seal is provided that is conformable with the concave interior side and can define a seal aperture substantially aligned with the flashing aperture.

The ‘044 and ‘988 Patents are entitled “Roof mount assembly” and directed to a mount assembly which includes a flashing including an aperture, a bracket including a first portion and a second portion, the first portion having an opening and a countersink extending around the opening, the second portion extending at an angle away from the flashing, the second portion including a slot configured to be coupled to the structure, a fastener, and a seal extending around the aperture and positioned between the flashing and the first portion of the bracket, the seal engaging the countersink of the bracket and being compressed against the flashing.

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Battery Conference to Offer a Full Day Battery IP Workshop

February 22nd, 2017

The 2017 National Battery (“NAAtBatt”) Annual Meeting and Conference, being held March 14-16 in Litchfield Park, Arizona, will include a full day session (“the first workshop its kind”) devoted to IP issues in advanced batteries.

The Workshop on Intellectual Property Issues in Advanced Battery Technology will cover several topics, including establishing an IP culture at advanced battery companies, patent prosecution in energy storage, licensing battery IP, patent pools and aggregators, advanced battery patent litigation, and big data in advanced battery IP.

The panelists include IP professionals from advanced battery technology companies as well as representatives from the U.S. Department of Energy Office of Technology Transfer, ARPA-E, several national laboratories, the U.S. Patent and Trademark Office, and the European Patent Office.

The workshop web page notes that “[t]he advanced battery industry relies heavily on intellectual property rights” and:

The ability of innovators to protect and monetize their discoveries through intellectual property rights is essential for moving innovations from the laboratory into commerce.

The workshop will run for one day, Tuesday, March 14, concurrently with the first half day of the NAATBatt conference.  CLE credit is available for attorneys.

Attendees may register for the workshop only or for the entire conference.  Registration information can be found here.

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Patentes Permanentes Verdes in Brazil; Battery Battles at the Board and Border

January 18th, 2017

Before turning to 2017 news, we’ll first briefly catch up on a few stories from December.

In early December, the Brazilian green patent priority examination program (see my original post here and a subsequent critique of the program here) became a permanent service.

Started as a pilot program by the National Institute of Industrial Property in April 2012, Resolution No. 175/2016 made the program permanent on December 6, 2016.

The requirements to participate in the program remain the same:

The application is a utility patent application;

The application is a national application (resident or non-resident);

The application was filed with INPI on or after January 2, 2011; and

The application contains a maximum of 15 claims in total, with up to three independent claims.

Eligible green technologies fall under the following categories: alternative energy, transportation, energy conservation, waste management and agriculture.

During the pilot phase, 325 of 480 applications were accepted and expedited with an average prosecution time of about two years.  The Clarke Modet law firm reported on this here.

LG Chem logo

Previous posts (e.g., here and here) discussed the litigation between Celgard, a North Carolina company that manufactures specialty membranes and separators for lithium ion batteries, and LG Chem.

The patent at issue is U.S. Patent No. 6,432,586 (’586 Patent), entitled “Separator for a high energy rechargeable lithium battery” and directed to a separator including a ceramic composite layer and a polyolefinic microporous layer.  The ceramic layer has a matrix material and is adapted to block dendrite growth and prevent electronic shorting.

After the Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office invalidated claims 1-11 of the ‘586 patent in an inter partes review, Celgard appealed.

In a one-line per curiam order handed down December 13, 2016, the U.S. Court of Appeals for the Federal Circuit affirmed the PTAB decision.

 

There was a major development in the litigation between chemical giant BASF and UChicago Argonne LLC (Argonne), on the one hand, and Belgium-based Umicore and Japan-based Makita Corporation involving two patents relating to cathode materials for lithium-ion batteries.

As reported in a previous post, BASF and Argonne filed a complaint in the U.S. International Trade Commisson (ITC) in February 2015 asking the ITC to investigate whether Umicore, Makita and their U.S. subsidiaries imported and sold in the United States lithium ion cathode materials and batteries that infringe U.S. Patent Nos. 6,677,082 (’082 Patent) and 6,680,143 (’143 Patent).

In a December 16, 2016 order, the ITC found that Umicore induced infringement of the asserted patents through conduct relating to imports of the battery materials.

The order expanded upon a prior determination by an ITC administrative law judge that Umicore was liable for contributory infringement of the patents.  The ITC also issued a limited exclusion order banning importation of Umicore’s lithium ion cathode materials into the United States.

The ‘082 and ‘143 Patents are both entitled “Lithium metal oxide electrodes for lithium cells and batteries” and directed to a lithium metal oxide positive electrode for a non-aqueous lithium cell.

Read BASF’s press release about the ITC decision here.

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Clean Tech in Court: Green Patent Complaint Update

September 23rd, 2016

A number of new green patent infringement complaints were filed in July and August in the areas of advanced batteries, biofuels, LEDs, and electric motors.

 

Advanced Batteries

Dynavair LLC v. AMS USA, Inc.; Dynavair v. Atmel; Dyanavair v. Cobham Advanced Electronic Solutions; Dynavair v. Eaton; Dynavair v. Freescale Semiconductor; Dynavair v. Intersil; Dynavair v. Linear Technology; Dynavair v. Microchip Technology; Dynavair v. OKW Electronics; Dynavair v. Samsung SDI America; Dynavair v. SII Semiconductor; Dynavair v. Texas Instruments

Dynavair has initiated at least twelve lawsuits accusing, inter alia, AMS USA, Atmel, Eaton, Freescale Semiconductor, Samsung, and Texas Instruments of infringing U.S. Patent No. 6,271,645 (‘645 Patent).

A representative complaint, filed July 5, 2016 in federal court in Marshall, Texas, against AMS lists AMS’s AS8506C Battery Cell Monitor and Balancer IC as the accused instrumentality.  According to the complaint, the product balances energy levels between two battery groups in a battery pack.

The ‘645 Patent is entitled “Method for balancing battery pack energy levels” and directed to a method and circuit for balancing energy levels among first and second battery groups within a battery pack by controlling a first energy level responsive to a first state of charge value indicative of a first energy level of the first battery group and a second energy level responsive to a second state of charge value indicative of the energy level of the second battery group so as to balance the first and second energy levels.

Biofuels

DSM IP Assets et al. v. Lallemand Specialties, Inc. et al.

Filed July 13, 2016 in U.S. District Court for the Western District of Wisconsin, DSM’s complaint accuses Lallemand and Mascoma LLC of infringing a patent relating to yeast products used in ethanol production.

U.S. Patent No. 8,795,998 is entitled “Fermentative glycerol-free ethanol production” and directed to transgenic yeast cells that reduce or eliminate the production of glycerol during fermentation.

More particularly, the patent relates to a recombinant yeast cell lacking enzymatic activity needed for the NADH-dependent glycerol synthesis or the cell having reduced enzymatic activity with respect to the NADH-dependent glycerol synthesis.

The accused products are yeast products, including Lallemand’s TransFerm Yield+ yeast.

LEDs

Lighting Science Group Corporation v. Titch Industries, Inc. et al.

Lighting Science Group Corporation v. Shenzhen Jiawei Photovoltaic Lighting Co.

Lighting Science Group Corporation v. Satco Products, Inc.

Lighting Science Group Corporation v. Technical Consumer Products, Inc.

Lighting Science Group Corporation v. Wangs Alliance Corporation et al.

Lighting Science Group Corporation v. Amax Lighting

Lighting Science Group filed at least six more infringement suits in July, asserting various combinations of the following three patents: U.S. Patent No. 8,201,968 (‘968 Patent), U.S. Patent No. 8,967,844 (‘844 Patent), and U.S. Patent No. 8,672,518 (‘518 Patent).

Entitled “Low profile light,” the ’968 Patent is directed to a luminaire including a heat spreader and a heat sink disposed outboard of the heat spreader, an outer optic securely retained relative to the heat spreader and/or the heat sink, and an LED light source.

The ‘518 Patent and the’ 844 Patent are entitled “Low profile light and accessory kit for the same” and relate to LSG’s disc light LED devices.

With the exception of the Shenzhen complaint, filed July 11, 2016 in U.S. District Court for the Northern District of California, all of the lawsuits were filed in Orlando, Florida.  The Titch complaint was filed July 7th; the Satco complaint and the Technical Consumer Products complaint were filed July 13th; the Wangs Alliance complaint and the Amax Lighting complaint were filed July 22nd.

 

Lexington Luminance LLC v. TCL Multimedia Holdings, Ltd. et al.

In a complaint filed July 13, 2016 in U.S. District Court for the District of Massachusetts, Lexington Luminance accused TCL Multimedia Holdings and TTE Technology of infringing U.S. Patent No. 6,936,851 (‘851 Patent).

The ‘851 Patent is entitled “Semiconductor light-emitting device and method for manufacturing the same” and is directed to LEDs having textured districts on the substrate such that inclined layers guide extended defects to designated gettering centers in the trench region where the defects combine with each other.  This structure reduces the defect density of the LEDs.

The accused products include television model 40FD2700 using backlighting LEDS which, according to the complaint, use an infringing patterned sapphire substrate.

 

Lemaire Illumination Technologies, LLC v. LG Electronics USA, Inc. et al.

Lemaire Illumination Technologies sued LG for alleged infringement of three patents relating to LED lighting technology.

The patents-in-suit are U.S. Patent Nos. 6,095,661 (‘661 Patent), 6,488,390 (‘390 Patent) and 9,119,266 (‘266 Patent).

The ‘661 Patent is entitled “Method and apparatus for an L.E.D. flashlight” and the ‘390 Patent is entitled “Color-adjusted camera light and method” and these related patents are directed to an LED flashlight including  a control circuit for maintaining a predetermined light output level of the LED units as a charge on a battery varies.

The ‘266 Patent is entitled “Pulsed L.E.D. illumination apparatus and method” and directed to an illumination source for a camera including one or more LEDs and a control circuit for driving the LEDs with electrical pulses at a frequency high enough that light produced has an appearance to a human user of being continuous rather than pulsed.

Filed in federal court in Marshall, Texas on July 14, 2016, the complaint lists the LG G3 and G4 smartphones as accused devices.

 

Nichia Corporation v. Mary Elle Fashions, Inc. et al.

Nichia Corporation v. Lowe’s Companies, Inc. et al.

Nichia Corporation v. TCL Multimedia Technology Holdings, Ltd. et al.

Nichia filed these three lawsuits in July and August asserting U.S. Patent No. 7,915,631 (‘631 Patent) against Mary Elle Fashions, Lowe’s, and TCL.

The complaint against Mary Elle Fashions was filed July 19, 2016 in U.S. District Court for the Eastern District of Missouri and lists the Meridian 13w Equivalent Bright White G24 Non-Dimmable LED Bulb as the accused product.

The Lowe’s complaint, filed July 19, 2016 in federal court in Statesville, North Carolina, alleges that the Utilitech Pro 48-inch Strip Light and the Utilitech Pro 24-inch Strip Light infringe the ‘631 Patent.

The complaint against TCL was filed August 8, 2016 in U.S. District Court for the District of Delaware and names the TCL 48″ Class Television as the accused product.

Entitled “Light emitting device and display,” the ‘631 Patent is directed to an LED having a phosphor capable of absorbing a part of light emitted by a light emitting component and emitting light of a wavelength different from that of the absorbed light.

 

Nichia Corporation v. v. TCL Multimedia Technology Holdings, Ltd. et al.

Separately, Nichia also sued TCL in federal court in Marshall, Texas allegint that the TCL 55GS3700 55 inch 1080p Roku Smart LED TV infringes U.S. Patent No. 8,530,250 (‘250 Patent).

Entitled “Light emitting device, resin package, resin-molded body, and methods for manufacturing light emitting device, resin package and resin-molded body,” the ‘250 Patent is directed to a method of manufacturing an LED such that the optical reflectivity at a wavelength of 350-800 nm after thermal curing is 70% or more.

The method includes the steps of sandwiching a leadframe with a notched section, transfer-molding a thermosetting resin containing a light-reflecting substance, forming a resin-molded body on the leadframe, and cutting the resin-molded body and the leadframe along the notched section.

The complaint was filed August 8, 2016.

 

Seoul Viosys Co., Ltd. v. P3 International Corporation

This lawsuit was filed August 8, 2016 in U.S. District Court for the Southern District of New York.

In the suit, Seoul accuses P3 of infringing five LED patents:

U.S. Patent No. 7,982,207, entitled “Light emitting diode”

U.S. Patent No. 7,951,626, entitled “Light emitting device and method of manufacturing the same”

U.S. Patent No. 9,203,006, entitled “Light emitting device”

U.S. Patent No. 8,692,282, entitled “Light emitting diode package and light emitting module comprising the same”

U.S. Patent No. 8,168,988, entitled “Light emitting element with a plurality of cells bonded, method of manufacturing the same, and light emitting device using the same”

The accused products listed in the complaint include P3’s P7880 LED Bug Trap and P7885 LED Bug Trapper II.

 

Philips Lighting North America Corp. et al. v. GVA Lighting, Inc.

Philips has asserted four of its LED patents against Canadian company GVA, alleging that GVA’s STR9 RGBW linear surface mount LED luminaires infringe the patents.

The patents-in-suit are:

U.S. Patent No. 6,692,136, entitled “LED/phosphor-LED hybrid lighting systems”

U.S. Patent No. 6,788,011, entitled “Multicolored LED lighting method and apparatus”

U.S. Patent No. 7,014,336, entitled “Systems and methods for generating and modulating illumination conditions”

U.S. Patent No. 7,255,457, entitled “Methods and apparatus for generating and modulating illumination conditions”

The complaint was filed August 11, 2016 in the U.S. District Court for the District of Massachusetts.

 

Bitro Group v. Blueview Elec-Optic Tech

Bitro Group v. Global Lux

Bitro Group v. Jb Online LLC dba Ellumiglow.com

Bitro Group v. LEDwholesalers.com

Bitro Group v. The LED Light, Inc.

Bitro Group filed five lawsuits on August 16, 2016 against various defendants asserting infringement of U.S. Patent No. 9,113,558 (‘558 Patent).

The ‘558 Patent is entitled “LED mount bar capable of freely forming curved surfaces thereon” and directed to an LED tape light strip with a structure that allows it to be bent in the direction of its width so it can be used for lighting that must conform to unique shapes.

The complaints (Blueview Elec-Optic complaint; Global Lux complaint; JB Online complaint; LEDwholesalers.com complaint; The LED Light complaint) were all filed in U.S. District Court for the District of New Jersey.

The accused products are Blue View Elec-Optic’s Bendable Zig Zag LED tape, Global Lux’s Zigzag Ribbon lights, JB Online’s Wavelux Bendable 3528 LED Strip Light, LEDwholesalers’ Ultra-Flex 6.56-Feet Single Color LED Strip, and the LED Light’s Bendable Flexible LED Strips.

 

Innovative Display Technologies LLC v. LG Display Co. et al.

U.S. Patent Nos. 7,322,730, entitled “Light emitting panel assemblies” (‘730 Patent) and 7,178,965, entitled “Light emitting panel assemblies having LEDs of multiple colors” (‘965 Patent).

The ‘730 and ‘965 Patents relate to optical assemblies including a light emitter having at least one layer of a transparent film, sheet or plate through which light emitted by the light emitter passes.  A pattern of deformities on or in at least one side of the film, sheet or plate control an output ray angle distribution of light emitted by the optical assemblies.

The complaint was filed August 24, 2016 in federal court in Marshall, Texas.

The accused products are various mobile phones, tablets, televisions, monitors, laptops, and liquid crystal display modules containing edge-lit and/or 2-D array backlights.

 

Epistar Corporation v. Adamax, Inc.

In this action, filed August 30, 2016 in U.S. District Court for the Northern District of California, Epistar has asserted six patents relating to LED filament technology.

U.S. Patent No. 6,346,771, entitled “High power LED lamp”

U.S. Patent No. 6,489,068, entitled “Process for observing overlay errors on lithographic masks”

U.S. Patent No. 7,560,738, entitled “Light-emitting diode array having an adhesive layer”

U.S. Patent No. 8,240,881, entitled “Light-emiting device package”

U.S. Patent No. 8,791,467, entitled “Light emitting diode and method of making the same”

U.S. Patent No. 9,065,022, entitled “Light emitting apparatus”

The complaint names Adamax’s NewHouse Lighting Dimmable Flame Tip 3.5 W LED Vintage Edison Filament Bulb, 2200K as infringing products.

Electric Motors

Cannarella v. Volvo Car USA LLC et al.

An individual inventor, R. Thomas Cannarella, sued Volvo and others alleging infringement of U.S. Patent No. 8,232,661 (‘661 Patent).

The ‘661 Patent is entitled “System and method for generating and storing clean energy” and directed to a system for generating electrical energy from pressurized fluid and peristaltic compression and expansion cycles.

Filed August 17, 2016 in the U.S. District Court for the Central District of California, the complaint alleges that the defendants have made a commercial entitled “Highway Robbery: Volvo XC90 T8 Twin Engine Hybrid” featuring an infringing peristaltic energy generation system.