D?sseldorf, February 10, 2021 – On December 2, 2020, the Supreme People’s Court of the People’s Republic of China rendered a final decision which fully accepted Asahi Kasei’s claim of patent infringement regarding a separator for lithium ion secondary batteries and ordered Shenzhen Xu Ran Electronic and others to stop selling the above products and to pay compensation for damages.
In August 2018, Asahi Kasei Corporation (Head Office: Chiyoda-ku, Tokyo; President: Hideki Kobori; hereinafter, “Asahi Kasei”) filed a patent infringement lawsuit with Shenzhen Intermediate People’s Court against Shenzhen Xu Ran () Electronic Co., Ltd. and Shenzhen Xu Ran () Electronic Co., Ltd.* (hereinafter, “Xu Ran Electronic and Others”). Both companies are distributors of Japan-based W-SCOPE Corporation and selling separators for lithium ion secondary batteries in Shenzhen, China, and act as joint defendants. Based on its Chinese patent (Patent No. ZL200680046997.8) relating to separator for lithium ion secondary battery, Asahi Kasei is seeking an injunction prohibiting Xu Ran Electronic and Others from selling their “single-layer W-scope” battery separators in China and compensation for damages (a total of 1 million yuan).
In April 2020, the Intermediate People’s Court rendered a decision upholding Asahi Kasei’s claim of patent infringement. In response, Xu Ran Electronic and Others filed an appeal with the Supreme People’s Court. On December 2, 2020, the Supreme People’s Court rendered a final decision which fully accepted Asahi Kasei’s claim of patent infringement and ordered to stop selling the above products and to pay compensation for damages.
Asahi Kasei will continue to pay close attention to the issues concerning its intellectual property rights and will take, if necessary, proactive measures to protect them.
For further information on the topic please refer to the following press releases:
The Korean IPTAB decision to maintain Asahi Kasei’s Korean patent regarding patent infringement lawsuit against W-SCOPE Corporation, etc.” (December 23, 2020)
Judgment of Chinese Patent Infringement Litigation Asahi Kasei vs. Shenzhen Xu Ran () Electronic Co., Ltd. and Others” (May 11, 2020)
Asahi Kasei files patent infringement lawsuit against W-SCOPE Corporation, etc. (February 4, 2020)
Asahi Kasei files patent infringement lawsuit against Shenzhen Xu Ran () Electronic and Shenzhen Xu Ran () Electronic (August 20, 2018)
About the Asahi Kasei Corporation
The Asahi Kasei Corporation is a globally active diversified technology company with operations in the Material, Homes, and Health Care business. The Material division encompasses fibers & textiles, petrochemicals, performance polymers, performance materials, consumables, battery separators, and electronic devices. The Homes division provides housing and construction materials to the Japanese market. The Health Care division includes pharmaceuticals, medical devices, and acute critical care devices and systems. With more than 40,000 employees around the world, the Asahi Kasei Group serves customers in more than 100 countries and achieved sales of 17.6 billion euros (2,151.6 billion yen) in the fiscal year 2019 (April 1, 2019 – March 31, 2020). Asahi Kasei is Japan”s largest polyamide supplier and is one of only four fully integrated polyamide manufacturers worldwide – able to produce PA 6.6 completely from monomer to compound.
Asahi Kasei is “Creating for Tomorrow” with all operations sharing a common mission of contributing to life and living for people around the world. For more information, visit www.asahi-kasei.com and www.asahi-kasei.eu.
Company Contact Europe:
Asahi Kasei Europe GmbH
Fringsstrasse 17, 40221 D?sseldorf
Tel: +49 (0) 211-3399-2058
financial relations GmbH
Louisenstra?e 97, 61348 Bad Homburg
Tel: +49 (0) 6172/ 27159 – 12
Keywords:Asahi Kasei Lithium Ion Battery Separator Patent Infringement
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