Press Room

Nichia’s Patent was expired and Everlight’s products are not affected

Shulin District, New Taipei City, Taiwan, November 25, 2022 –In response to Nichia’s press release on November 24 about the Germany proceeding, Everlight believes the favorable evidences submitted by WOFI were not considered, and WOFI will appeal in accordance with the law. Everlight states that the proceeding is still in progress and is not a final judgment. Everlight firmly believes that a favorable judgment will be obtained. Everlight declares that Nichia’s European patent EP936682 (and its equivalent Germany counterpart Germany patent DE69702929) was expired on July 29, 2017. Therefore, Everlight’s and WOFI’s products are not affected in any way.

Everlight has filed invalidation trial procedures against Nichia ‘s YAG patents in Europe, United States, Australia, China and Taiwan. Everlight has received these winning judgements:

  1. Boards of Appeal of European Patent Office has decided that Nichia’s European patent EP2197053 is invalid.
  2. Supreme Court of United States has decided that the asserted claims of Nichia’s United States patents US5998925 and US7531960 are invalid.
  3. High Court of Australia has decided that the asserted claims of Nichia’s Australia patent AU720234 are invalid.
  4. China Supreme People’s Court has decided that Nichia’s China patent CN200610095837.4 is invalid.
  5. Taiwan Supreme Administrative Court has decided that Nichia’s Taiwan patent TW383508 is invalid. Everlight reiterated that the facts of winning the above cases remain unchanged.


EVERLIGHT respects intellectual property rights and will devote to the protection of customers’ and shareholders’ benefits and rights.

About EVERLIGHT Electronics Co. Ltd.

EVERLIGHT Electronics Co., Ltd, founded in 1983 with the professional development ability over 38 years, combines the R&D, business and market teams to continuously seek the innovation and breakthrough on package technology and quality control as well as provide all kinds of perfect solutions for customers. Our product lines include High Power LEDs, SMD LEDs, Lamps, Lighting Components, LED Lighting Modules, Digital Displays, Opto-couplers and Infrared Components. Our customers can select the most appropriate package products from EVERLIGHT to accomplish the best efficiency and quality performance in accordance with their demands. EVERLIGHT has dedicated to “Working Together, Going Forward and Keeping Persistency” for many years, and taken the top five achievement in the global LED market. We will continuously develop more diversified LED products to provide all kinds of impeccable product solution and create the win-win future!

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