Seoul Semiconductor reported that it and Seoul Viosys have successfully resolved two patent infringement lawsuits filed in the U.S. Federal District Court for the Central District of California against Archipelago Lighting, a U.S.-based LED lighting company. 

Seoul Semiconductor has announced that the U.S. Federal District Court for Nevada issued a judgment in favor of the company against Philcor T.V. & Electronic Leasing, a company that sells LED lighting products.

Sensor Electronic Technology, Inc. (SETi) announced that it has filed a patent infringement lawsuit against two companies, Bolb and Quantum Egg (Q-egg), in the U.S. District Court in California, accusing them of selling UV LED sterilizer products which infringe LED patents of SETi. 

Seoul Semiconductor has filed a patent infringement lawsuit in Texas, USA, against Fry’s Electronics, a U.S. based retail company of consumer electronics. Seoul Semiconductor has accused Fry’s Electronics of selling LED TV products which infringed Seoul Semiconductor’s LED patents.

Epistar Corporation (“Epistar”) announced today that it agreed to settle its patent litigation against V-TAC USA Corp. (“V-TAC”) pending in the United States District Court for the Central District of California, for the infringement of Epistar’s light-emitting diode (“LED”) filament patents.

On May 7, 2018, Epistar filed a patent infringement lawsuit against V-TAC USA Corp. (“V-TAC”) in the United States District Court for the Central District of California on May 7, 2018. The complaint asserts that V-TAC’s LED filament bulbs infringe seven Epistar patents and seeks injunctive relief to halt further sale of the infringing products.

Ultravision International, a manufacturer and distributor of LED displays and LED lighting, has filed a patent infringement complaint at the United States International Trade Commission (USITC), seeking remedial orders barring 37 companies from importing, selling and distributing infringing LED display products in the United States.

Taiwanese LED chip packaging company EVERLIGHT Electronics on April 9 announced that it has won a patent infringement lawsuit against Seoul Semiconductor in South Korea.

Tridonic initiated patent lawsuits against telecommunication retailer S-KON eKontor24 GmbH. Although District Court Munich I affirmed Tridonic’s arguments, parties agreed on a settlement for reasons of legal certainty and prompt settlement of the dispute.

Seoul Semiconductor announced on March 8, 2018 that it has filed three new patent infringement lawsuits, together with its affiliate, Seoul Viosys Co., Ltd. (collectively “Seoul”), against a lighting company and distributors selling products that allegedly infringe Seoul's Acrich patents.

Seoul Semiconductor on February 20 has won the patent invalidity litigation action that was filed against Everlight Electronics in the United Kingdom.

On February 2, 2018, Seoul Semiconductor filed a patent infringement lawsuit in Italy in the Court of Milan against Mouser Electronics Inc., a global electronic components distributor, as well as its Italian subsidiary – for the sale of certain Everlight LED products.

Providers of metal organic chemical vapor deposition (MOCVD) equipment Veeco and AMEC have been exchanging heavy fire this year, filing patent infringement lawsuits against each other in the US and China.

Veeco Instruments announced today that it is preparing to appeal to the Beijing IP Court against the decision previously made by the Patent Reexamination Board (PRB) regarding the validity of patent ZL201220056049.5 held by Advanced Micro-Fabrication Equipment Inc. (AMEC). 

Ultravision Internationa has been awarded a significant judgment as a result of winning a federal lawsuit against Shenzhen Only Optoelectronic Tech Co Ltd (Shenzhen Only) due to infringement on two patents protecting Ultravision’s proprietary Modular LED Display Panel technology. 

Veeco Instruments announced today that the United States District Court for the Eastern District of New York granted Veeco's motion for a preliminary injunction against SGL Carbon, LLC, a supplier of wafer carriers to Advanced Micro-Fabrication Equipment Inc. (AMEC)

Epistar Corporation filed a patent infringement lawsuit against All Star Lighting Supplies, Inc., d/b/a Luxrite in the United States District Court for the District of New Jersey on October 13, 2017. The complaint asserts that Luxrite’s LED filament bulbs infringe eight Epistar patents and seeks injunctive relief to halt further sale of the infringing products.

On September 22, 2017 (CDT), Nitride Semiconductor Co., Ltd. (“Nitride”) filed a patent infringement lawsuit with the U.S. District Court for the District of Minnesota against Digi-Key Corporation d/b/a Digi-Key Electronics (“Digi-Key”), which sells UV-LED products on the internet that are manufactured by RayVio Corporation, a CA based UV-LED manufacturer (“RayVio”). 

Ultravision International, a US-based manufacturer and distributor of LED displays and LED lighting, and American Lighting Technologies, dba Lighting Technologies, have reached a mutual agreement to resolve Ultravision v Lighting Technologies and dismiss two patent infringement litigations pending in the U.S. Court for the Eastern District of Texas.

Cree has filed a complaint against E. Mishan & Sons, Inc. (“Emson”) with the U.S. District Court for the District of Massachusetts for infringement of Cree’s patented LED technology in Emson’s flashlights, such as the Bell + Howell Taclight.

On Oct. 27, 2016, Liquidleds Lighting (Liquileds) filed a patent infringement lawsuit against Testrite, a Taiwan-based distributor which sells products through its retail channels like TLW, HOLA, HOLA CASA and HOLA Petite. The lawsuit alleges that Testrite infringed on Liquidleds' patent for "Method of Assembling an Airtight LED Light Bulb." (Taiwan Patent No. 1372842, which has foreign corresponding fillings in China, US, EP and Japan)

Tridonic Jennersdorf GmbH, a subsidiary of Tridonic GmbH & Co KG, Dornbirn and part of the Zumtobel Group, has entered into a settlement agreement with the AOC International (Europe) B.V. and AOC International (Europe) GmbH for the use of silicate-based white LEDs. 

A recent ruling made by the U.S. Patent Trial and Appeal Board has invalidated claims of Japanese LED lens manufacturer Enplas patent for a device applied in LCD backlight, which marks a win for rival Seoul Semiconductor, reported Law 360.

 In April 2012, Everlight  filed for declaratory judgment of invalidity and non-infringement of Nichia’s U.S. patents related to white LEDs, including U.S. Patent Nos. 5998925 and 7531960.  These two patents are directed to YAG phosphor being used with blue LED chip to emit white light, and its phosphor concentration.  The jury before the U.S. District Court for the Eastern District of Michigan found on April 22, 2015 that all asserted claims of these patents are invalid for obviousness and/or lack of enablement. 

Cree’s patent lawsuit against Feit Electronics and Unity Opto has sounded a warning bell for the Chinese LED industry, according to a ledsw.com report.

U.S. LED manufacturer Cree’s recent lawsuit against Unity Opto and its luminaire client Feit Electronics will not impact the company’s revenue performance in 2015, a UDN report cited Unity Opto Spokesperson Jacky Wen saying.

Harvatek declared to entrust Devlin Law Firm LLC to file a patent litigation against the U.S. LED company—Cree, Cree Hong Kong Limited and Cree Shanghai Opto Development Limited in the United States District Court for the Northern District of California to prohibit Cree and its affiliates from infringing Harvatek’s U.S. LED patents.

Harvatek Corporate announced that U.S. LED manufacturer Cree, has taken legal action against the Taiwanese company to enforce its six patents in the United States District Court for the Western District of Wisconsin on September 15th, 2014. Although, Harvatek has not received an official copy of the complaint yet, is is aware of the dispute and preparing reactive measures.

Seoul Semiconductor (SSC) recently filed a LED TV patent infringement lawsuit against Canadian consumer electronics manufacturer Curtis International in Florida Southern Court, U.S., according to numerous legal publications.

Everlight pays Nichia a total of US $100,000 as a sanction ordered by the United States District Court for the Eastern District of Michigan for its violations of a previous order. The litigation is captioned Everlight Electronics Co., Ltd. and Emcore Corp. v. Nichia Corp. and Nichia America Corp., Case No. 4:12-cv-11758 GAD-MKM (E.D. Mich.). Trial in this case is scheduled for October 2014.