Chang Tsi's Intellectual Property practice and 3 lawyers have earned high rankings from Chambers & Partners in the 2025 edition of Chambers Greater China Region. The firm has been ranked in IP litigation (PRC Firms) and non-litigation (PRC Firms) in the new edition, managing partner Spring Chang was again named eminent practitioners, partners Michael Fu and Michael Wu were also in the guide's top tier.
Our office and IP Administration in regions below will be closed for Public Holidays as follows:
Hong Kong: 25-27 December 2021
Macao: 18-21, 24-27 December 2021
All deadlines falling on a holiday will be automatically extended. Should you have any urgent cases, please let us have your instructions ahead of the holidays
On 5 Nov 2021, Ms. Spring Chang, representing the Chinese legal industry, was invited to the TM5 Annual Meeting 2021 held by the world five largest intellectual property (IP) offices and WIPO.
The China National Intellectual Property Administration (the CNIPA) has recently changed its attitude to Letters of Consent (LoC) specifically by being reluctant to accept Letters of Consent (LoC) for future cases. However, this policy has not been confirmed by the courts at current stage. As a result, we suggest you consult with your attorneys from Chang Tsi & Partners if this might apply to your cases.
Please note that 2 November 2021 has been declared as Public Holiday by Macao Government. Therefore, Economic and Technological Development Bureau of Macao, as well as our Macao office will be closed during this period. All deadlines falling on a holiday will be automatically extended. Should you have any urgent cases, please let us have your instructions ahead of the holidays.
China National Intellectual Property Administration (CNIPA) has recently issued an official notice that all trademark registration certificates will be issued electronically and online from 1 January 2022. The trademark registration certificate can be viewed and downloaded from the Online Trademark Service System. We suggest you consult with your attorneys from Chang Tsi & Partners if any concerns.
The 4th amendment to China Patent Law officially came into effective on June 1, 2021.
