Patent

CNIPA Invalidates Two DKEM Patents, Collapsing RMB 1 Billion Claim Foundation

On June 2, 2026, the China National Intellectual Property Administration (CNIPA) issued a decision declaring both of two Wuxi DK Electronic Co., Ltd. (DKEM) patents (Patent Nos. ZL201180032359.1 and ZL201180032701.8) wholly invalid.

DKEM's Patent War Hits 1 Billion Yuan With Another 200 Million Lawsuit Against Pharos

Chinese solar silver paste manufacturer DKEM (Wuxi DK Electronic Materials Co., Ltd.) has filed another 200 million yuan patent infringement lawsuit, raising its total claims against domestic rivals to 1 billion yuan, according to a stock exchange filing disclosed by DKEM.

Midea v. Xiaomi: Fourth patent lawsuit heads to trial as IP battle intensifies ​

The Hangzhou Intermediate People’s Court will hear on Friday the fourth patent infringement lawsuit filed by Midea against Xiaomi, as the two electronics giants shift from partners to rivals in China’s fiercely competitive smart home appliance market.

Atom Therapeutics and Evopoint Biosciences Cross-Claim RMB 50 Million in Trade Secret Dispute as Both Pursue IPOs

On March 20, 2026, Atom Therapeutics Co., Ltd. disclosed in its Hong Kong Stock Exchange listing application that it is embroiled in a high-stakes intellectual property dispute with Evopoint Biosciences Co., Ltd., involving competing claims of trade secret misappropriation and malicious litigation.

David Medical Faces RMB 161 Million Patent Infringement Suit from Cilag

On March 27, Ningbo David Medical Device Co., Ltd. (“David Medical”) disclosed in a public filing that it and its wholly-owned subsidiary, Ningbo Verykind Medical Device Co., Ltd. (“Verykind Medical”), have been named as defendants in a patent infringement lawsuit filed by Cilag AG International.