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.

Founded in 2002, Chang Tsi & Partners has been specializing in IP legal services for over two decades, with extensive influence in IP world. The firm’s headquarter locates in Beijing, with branch offices in major China mainland cities such as Shanghai, Guangzhou, Shenzhen and other regions like Hong Kong, Macao, Taiwan, the United States, South Korea and Singapore. It has a team with more than 350 professional experts including counsel, lawyer, trademark agent and patent agent.

Being named as a leading law firm in Chambers Greater China 2025 edition, is a recognition of Chang Tsi’s overall performance. With the rapid growth of advanced technology and economic globalization, new challenges have emerged in the legal sector as well. As enterprises start their transnational business, IP disputes also crossed the borders and brought a large number of lawsuits. With decades of legal practice, litigators from Chang Tsi & Partners have been actively providing cutting-edge service for domestic and international clients in multiple industries.

Moreover, Chang Tsi has been recognized with 3 individual lawyer rankings, of which 2 are new. Managing Partner Spring Chang was named Eminent Practitioner – the top individual lawyer recognition given by the guide. Partner Michael Wu received Band 6 individual lawyer ranking and Michael Fu was recognized as Up and Coming, as a reward of their professional success in IP litigation.

"Chang Tsi is extremely proactive, creative and communicative, handling very difficult trade mark disputes in China with a deep bench", "Spring provides deep knowledge of IP and all matters that I have handled with her have been absolutely successful", "Michael is diligent, highly skilled and well organized." Cited by Chambers & Partners.