Chang Tsi & Partners has been widely recognized as an outstanding law firm. The firm has also been celebrated as a top-tier IP law firm by many world-leading legal media outlets, ranking agencies and professional associations, including Chambers Asia Pacific, World Trademark Review, Legal 500 and Asia Legal Business.
Chang Tsi & Partners is an outstanding law firm with its strong reputation in intellectual property and litigation.
With a rich history in corporate law, and the sharpest IP team in China, we have knowledge, experience and professional networks to safeguard your legal rights. There is a reason why a growing number of US Fortune 500 companies choose Chang Tsi & Partners than any other firms in China.
The world-renowned legal rating agency, The Legal 500, has recently published its 2025 list of leading law firms in the Asia-Pacific region. This list has garnered significant attention within the legal industry and plays a crucial role in evaluating law firms across the region.
In the fiercely competitive legal market, Chang Tsi & Partners has earned the prestigious 2024 China Business Law Award for Intellectual Property (Trademarks) through exceptional professional services and high client recognition. This honor not only reflects the trust our clients have in our abilities but also underscores our commitment to excellence in intellectual property law.
Chambers and Partners released its annual ranking report - Chambers Greater China 2024, recognizing Chang Tsi & Partners and its lawyer for excellence in the practice areas of IP.
The world-renowned legal rating agency, The Legal 500, has recently published its 2025 list of leading law firms in the Asia-Pacific region. This list has garnered significant attention within the legal industry and plays a crucial role in evaluating law firms across the region.
The legal team led by Emma Ma helped BOSTON CHILDREN'S HEALTH INTERNATIONAL, LLC win the review of refusal case of the mark “BOSTON CHILDREN’S HOSPITAL in Chinese”. The trademark application was eventually approved for registration, Chang Tsi helped the clients secure the core trademark registration rights in China, thereby reducing their risks of trademark usage and protection.
Chang Tsi & Partners has been ranked among the Top 10 law firms in China for both trademark and patent services by the esteemed UK magazines The Trademark Lawyer and The Patent Lawyer.
6-8th Floor Tower A, Hundred Island Park, Bei Zhan Bei Jie Street, Xicheng District, Beijing 100044, P.R. China
(+86) 10 8836 9999
info@changtsi.com
2508 A, Office Section 3, Jinmao Tower, 88 Century Avenue, Pudong New Area, Shanghai 200121, P.R. China
(+86) 21 6168 2668
info@changtsi.com
2305 Tower B Center Plaza, No. 161 Linhexi Rd, Tianhe District, Guangzhou 510620, P.R. China
(+86) 20 2881 6699
info@changtsi.com
38E China Energy Storage Building, No.3099, Keyuan South Road, Nanshan District, Shenzhen 518057, P.R. China
(+86) 755 8660 3009
info@changtsi.com
No. 201B, Building 11, Zhongguancun Shuangchuang Demonstration Base, Chuangxin Rd, Xixiangtang District, Nanning, Guangxi, P.R. China
(+86)771 3169996
info@changtsi.com
Room 2025, Jiaozi&BEEPLUS Center, Xingsheng International Business Headquarters, No. 81 Information Park West Road, Jinniu District, Chengdu City
(+86) 28 6844 6256
info@changtsi.com
Unit 1732, Silvercord Tower 2, 30 Canton Road, Tsim Sha Tsui, Kowloon, Hong Kong
(+852) 3959 8555
info@changtsi.com
Level 20, AIA Tower Nos.251A-301, Avenida Comercio De Macau
(+853) 6890 0935
info@changtsi.com
6F., No. 2, Sec. 3, Bade Rd., Songshan Dist., Taipei City 105608
(+852) 6938 8223
info@changtsi.com
18F, Tower 101, 32-14, Seoulsup 2-gil, Seongdong-gu, Seoul, Republic of Korea
(+82) 10 96649304
info@changtsi.com
100 Overlook Center, 2nd Floor, Princeton, NJ 08540
(+1) 609-2752111
info@changtsi.com
