Chang Tsi & Partners


6-8th Floor Tower A, Hundred Island Park
Bei Zhan Bei Jie Street, Xiicheng District
Beijing, 100044

Telephone:+86 10 8836 9999
Fax:+86 10 8836 9999

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Key contacts:

Founding Partner: Spring Chang
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Business Development Manager: Louisa Cheng
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Quick facts:

Number of professionals: 350+
Number of awards: 200+
Number of clients: 1000+
Languages: English, Chinese, Korean, Japanese, German, Greek, Cantonese, etc.

Chang Tsi & Partners is a "National Outstanding Law Firm (nominated by Ministry of Justice of China)" with its strong reputation in intellectual property and litigation.

Since its establishment in 2002, Chang Tsi & Partners has been managing to become one of the leading law firms in China. The firm has been constantly referred as the “National Outstanding Law Firm”, “The Best IP Law Firm in China”, “China IP Law Firm”, “Tier 1 IP Law Firm of the Year” by Ministry of Justice of China, international legal directories and various business magazines such as Chambers Asia Pacific, The Asia Pacific Legal 500, Asialaw Profiles.

With over 350 professionals consist of attorney at law, patent attorneys, trademark attorneys, Chang Tsi & Partners is based in Beijing with fully fledged offices in Shanghai, Shenzhen and branch offices in the US, Europe, Korea, Hong Kong, Taiwan, Guangzhou and Guangxi while establishing an enviable reputation in Intellectual Property and Litigation.

Our areas of practice include intellectual property rights, litigation and dispute resolutions, commercial law and other legal services. Since establishment, we have been a forerunner in various fields such as trademark, patent, IP confirmation, administrative IP as well as judicial protection. Our high-caliber Lawyers and our sharpest IP experts are dedicated to protecting your legal rights with efficiency and integrity.

At Chang Tsi & Partners you can find the knowledge, the experience, and the right professionals to deal with all aspects of law and with matters both domestic and international. The firm has been trusted by Chinese and International enterprises to develop strategic decisions and to secure their interests both in China and overseas.

  • Corporate governance
  • Intellectual property
  • International arbitration
  • Labour and employment
  • Litigation
  • Patent contentious
  • Privacy and data protection
  • Trademark contentious

Mr. Simon Tsi
Managing Partner,Attorney at Law

Recent case highlights:

  • MICHAEL KORS vs. Shantou Chenghai Jianfa Handbag Craft Factory [“Deal of the year”&“The Top Ten Intellectual Property Case with Research Value”&“Representative Case of the Year” recommended by the Supreme Court, Zhejiang High Court and Hangzhou Intermediate Court]

Mr. Michael Fu
Partner Attorney at Law

Recent case highlights:

  • Under Armour vs. Fujian Tingfeilong [2018 Outstanding Trademark Cases, reported by New York Times, Wall Street Journal, Law360, etc.]

  • Automotive
  • Construction and materials
  • Consumer goods and services
  • Financial services
  • Food and beverage
  • Gaming
  • Government and public policy
  • Healthcare
  • Industrials
  • Media
  • Pharma and life sciences
  • Real estate
  • Tech and telecoms