Yiguang Electronics Industry Co., Ltd. (hereinafter referred to as “Yiguangâ€) filed a patent infringement lawsuit against the Northern District of California on June 10, 2017, accusing the company of Bridgelux, Inc. The products sold infringed the patented technologies of Yiguang US6335548 and US7253448, among which the infringing products include the 2835 series.
Yiguang requested the court to issue an injunction against Puri Optoelectronics' infringing products and stop infringing the patented technology of Everlight, including the prohibition of trafficking, manufacturing, import and export, and damages.
Yiguang US6335548 and US7253448 patent series are important infrastructure patents for LED, and have been patented in all important markets such as the United States, South Korea, Japan, Europe, etc. This technology is widely used in high-power, medium-power, low-power LEDs. Products such as 2835, 5630, 3030, 3535, 5050 and COB.
Yiguang said that it will fully defend its customers and shareholders' rights, and will continue to take legal actions against infringements.
Yiguang sued Seoul Semiconductor for infringement
In May 2017, Everlight Electronics filed a patent infringement lawsuit against the German District Court of Mannheim, accusing Seoul Semiconductor Co., Ltd. of infringing the patented technology of Everlight.
Yiguang asked the court to issue an injunction against Seoul Semiconductor's infringing products, including prohibition of trafficking, manufacturing, import and export, recycling, inventory destruction and damages.
Yiguang sued Qi Yahua, Citizen, Daguang Motor infringement
In April 2017, Everlight Electronics filed a patent infringement lawsuit against the Tokyo District Court, accusing Japan Yahua, Citizen and Daguang Motor of infringing the patented technology of Yiguang.
Yiguang asked the court to issue an injunction against the COB (chip on board) products of Nichia and Citizen, as well as the large-scale automotive products equipped with the COB, including prohibition of trafficking, manufacturing, import and export, inventory destruction and damages. The COB product is characterized in that a plurality of LED chips are directly packaged on a substrate, and has a high density and uniform light output, and is suitable for lighting purposes.
Yiguang responded to Germany and Japan's new judgment
In February 2017, Japanese LED manufacturers Nichia and Yiguang issued new judgments in German and Japanese lawsuits. Yiguang said that the six old products have not been sold in Germany and have no impact on customer rights; In the judgment of the Intellectual Property High Court, Yiguang will appeal again.
Nichia issued a press release today, stating that Everlight had previously filed an injunction lawsuit against Japan in accordance with the provisions on the Law on Unfair Competition Prevention. The Japanese Intellectual Property High Court dismissed Everlight on January 18, 2017. All requests.
In addition, Nichia has filed a patent against YAG in Germany, demanding that Everbright fulfill the injunction of the Dusseldorf Appeals Court and stop selling six white LED infringing products.
In response to the press release issued today by Nichia, Yiguang said that the six old products have not been sold in Germany, have no impact on the rights and interests of customers, and the proceedings are still in progress. The judgment is not final and has appealed.
Yiguang further pointed out that Yiguang initiated an unfair competition law against Japan, which involved Japanese patent JP 4530094, the Japanese counterpart of US7531960 patent previously invalidated. Furthermore, in its European counterpart EP2197053, Yiguang received a preliminary opinion from the European Patent Office that the patent may be invalid.
In response to the judgment of the Japanese Intellectual Property High Court, Yiguang will appeal again and believe that the patent will eventually be invalid. In addition, the patent will expire on July 29, 2017.
Yiguang Day Yahua Patent Competition Wins
In August 2016, following the United States, Japan and Germany, Yiguang won again in Taiwan. In August 2011, Yiguang issued a patent invalidation to the Taiwan Intellectual Property Bureau (Smart Bureau) for the Japanese-Asian White LED Taiwan Patent No. TW383508, which is applied to white LEDs and planar light sources.
On July 28, 2016, the Wisdom Bureau decided that the patent was invalidated on the grounds that the patent was not progressive. Yiguang agrees with this result.
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