Chang Tsi & Partners is proud to announce that the firm has been recognized by Chambers and Partners in the 2026 Greater China Region Guide, ranking as a leading law firm in Mainland China in both Intellectual Property: Litigation and Intellectual Property: Non-litigation. In addition, several partners of the firm have received individual recognitions, underscoring Chang Tsi’s strong market reputation and depth of expertise in intellectual property law.
The China National Intellectual Property Administration (CNIPA) has announced the top ten patent reexamination and invalidation cases of 2022, including the invalidation case of the design patent named "Automobile", which was handled by Chang Tsi & Partners. This case serves as a guide for innovative entities to deeply understand and apply relevant intellectual property laws. The attorneys representing this case were Michael Wu, Nancy Qu, and Vickie Wang.
Our office and IP Administration in regions below will be closed for Qingming Festival
The Global Information and Communication Intellectual Property Summit (GIIPS) was successfully held, Kim Lu and Michael Wu were invited to host and share the guests respectively.
We are pleased to announce that Spring Chang, Founding Partner of Chang Tsi & Partners, was awarded “2023 Client Choice: Top 15 Female Lawyers” by LEGALBAND with her abundant professional experience and high reputation among clients.