Press Room プレスルーム

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

Shulin District, New Taipei City, Taiwan, July 19, 2021 –In response to Nichia’s press release on July 19 on their website about the Germany proceeding, Everlight states that the proceeding is still in progress and is not a final judgment. Everlight 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 United States, Australia, China and Taiwan. Everlight has received these winning judgements:

  1. Supreme Court of the United States has decided that the asserted claims of Nichia’s US YAG patents US5,998,925 and US7,531,960 are invalid.
  2. High Court of Australia has decided that the asserted claims of Nichia’s Australia patent 720234 are invalid.
  3. China Supreme People’s Court has decided that Nichia’s China YAG patent CN200610095837.4 is invalid.
  4. Taiwan Supreme Administrative Court has decided that Nichia’s Taiwan YAG patent TW383508 is invalid.


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

About EVERLIGHT Electronics Co. Ltd.


Scroll to Top