China Patent Agent (HK)

Shanghai

Review

Dispute resolution

An intellectual property boutique with offices in Beijing, Shanghai, Shenzhen and other cities, China Patent Agent (HK) is one of the oldest and largest IP litigation shops in China. Over the years, the client base of the firm has been mainly foreign companies from Europe, America and Japan.

In the Shanghai office, Liang Wang is an excellent litigation lawyer, and he mainly focuses on the electricity sector of the intellectual property practice.

In late 2021, the firm represented a pharmaceutical machinery company, the patent owner, successfully overturning the invalidation decision issued by the CNIPA (China National Intellectual Property Administration) and assisted the client in filing a dispute.

The firm acted for Darwin Technologies, a European manufacturing company that won its case over an indirect patent infringement in the Beijing High People's Court. The victory in this case received great attention because Chinese courts rarely support indirect infringement. In addition, the judgment element of aiding infringement has developed greatly in recent years. The entire litigation lasted for six years, during which time changes in the rules for the establishment of aiding infringement were introduced. This case has reference value for future similar cases.

Key clients for the firm include Darwin Technology International, Honeywell International, Intel, KPN and Powertech Industrial.