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.
Please note that 1-2 January 2023 has been declared as Public Holiday. Therefore, National Intellectual Property Administration of China, Chinese courts, as well as our offices 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.
Please note that 2 November 2022 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.
Beginning on December 3, 2022, trademark applicants will have three months (with a possible three-month extension), instead of the current six months, to respond to office actions issued during the examination of a trademark application at the United States Patent and Trademark Office (USPTO). This change only applies to office actions issued on or after December 3.