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 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.
Leadership means I need to work hard as a role model to set a good example to others at the firm. It also implies a full range of abilities, from client care and marketing to management, as well as a broad expertise in the IP field. Since IP legislation and practice keep changing in China and the rest of the world, it also means a strong ability to learn and improve so as not to be left behind. In essence, it means a lot of effort and hard work.
Named the World's Leading Intellectual Property Lawyer by Chambers & Partners, Spring Chang has advised and represented numerous world's leading firms in a wide array of business sectors such as electronics, consumer, pharmaceutical, food and beverage, apparel, and jewelry. Today's interview brings Spring's personal story as a female lawyer and her efforts on promoting diversity at Chang Tsi & Partners.
Phoebe Xi, the head of the Bio-Chemistry department at Chang Tsi & Partners. She ever had 3-year work experience as a researcher in a famous energy group in China, and then became a patent attorney in 2011. Her main technical fields include material, energy, and pharmaceutical, and her main clients include L’OREAL, Bostik, PFIZER, MACROGENICS, INC., Total, YiLi, BOE, RICH PRODUCTS CORPORATION, Morgan Advanced Material, Vitrias and Stemcell Technologies, etc.
Recently, the second China AIIPS was successfully held in Hangzhou. As a partner of the Summit, Chang Tsi & Partners have made a significant contribution to the preparation and holding of the Summit. Michael Wu, one of our partners, was invited to preside over the sub forum of "patent strategy, AI chips, and open-source software compliance", and made an exciting presentation together with four great figures in this field.
