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Judgment of Chinese Patent Infringement Litigation Asahi Kasei vs. Shenzhen Xu Ran (旭冉) Electronic Co., Ltd. and Others

Relating to Separator for Lithium Ion Secondary Battery

May 11, 2020
Asahi Kasei Corp.

In August 2018, Asahi Kasei Corporation (Headquarters: Chiyoda-ku, Tokyo; President: Hideki Kobori, hereinafter “Asahi Kasei”) had filed a patent infringement lawsuit based on the Chinese patent of separator for lithium ion secondary battery (Patent No.: ZL200680046997. 8) owned by Asahi Kasei with the Shenzhen Intermediate People’s Court. The lawsuit is directed against Shenzhen Xu Ran (旭冉) Electronic Co., Ltd. and Shenzhen Xu Ran (旭然) Electronic Co., Ltd. as joint defendants (hereinafter “Xu Ran Electronic”), two sellers of separator film for lithium ion secondary battery in Shenzhen, China, which act in China as distributors of W-SCOPE Co., Ltd.. With the lawsuit, Asahi Kasei is requiring Xu Ran Electronic to stop selling their “single-layer W-scope” battery separators in China and compensate Asahi Kasei for damages.

It is hereby notified that, the above claims of Asahi Kasei for patent infringement were supported by the court with judgment of April 2020 and Xu Ran Electronic was ordered to stop the sale of the infringing products indicated above and make compensation for the related damages. The judgment of the court is not final and can be appealed by Xu Ran Electronic.

Asahi Kasei will pay close attention to issues concerning its intellectual property rights and take specific measures proactively against any infringement when it deems necessary.