Chang Tsi & Partners


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

+86 10 8836 9999

+86 10 8836 9996

Key contacts:

Business Development: Louisa Cheng
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Quick facts:

Languages: Chinese, English, Japanese, Korean
Number of lawyers: 210
Number of partners: 11

Chang Tsi & Partners is a leading full-service Chinese law firm with a strong reputation in corporate law, intellectual property and litigation. We have the knowledge, experience and connections to safeguard your legal rights—and to assert them. We are your China strategy. Our full-service law firm provides one-stop legal solutions, and peace of mind, in China’s competitive and turbulent market. That is why more Fortune 500 companies choose us than any other Chinese firm.

Our team: 
We have 200+ attorneys and professionals who have experience in government, the judiciary, in-house legal departments and international law firms. Our firm has experienced in-house investigation teams and US-based liaisons (2 partners) who provide client management service.

Recent awards:
1. “Trademark Firm of Year” WTR & IAM, 2019;
2. “Top Tire Intellectual Property Firm” Legal 500, 2019;
3. “Top Tire Intellectual Property Firm” WTR, 2019;
4. “Highly Recommended Firm” Asialaw Profiles, 2020;
5. “China Firms to Watch” Asian Legal Business, 2019;
6. Asia-Pacific “Intellectual Property: Non-Litigation Band 1 Lawyer” Spring Chang, Chambers & Partners, 2019;
7. “China Top 15 IP Lawyers” Simon Tsi, Asian Legal Business, 2018;
8. “Employer of Choice” Asian Legal Business, 2017-2020

Our strengths
Experienced | With top legal minds drawn from the highest echelons of government, the judiciary, and business, we know China from the inside out. Our partners have more than 190 combined years of practicing experience.

Efficient | We’re fast. We’re fluent in English. Our strict, computerized timing systems make us accountable. And our dedicated workflow team ensures we answer all emails in one working day.

Comprehensive | You may know us for our precedent-making IP wins, but Chang Tsi & Partners is a one-stop shop for all your Chinese legal needs. From mergers and acquisitions to compliance, market surveillance and employment law, our people are the experts.

Strategic | First, we listen. Then we combine our multiple core legal competencies to tailor your strategy from the ground up, anticipating complications, and heading off problems before they arise.

Litigation is our key strength. Numerous cases represented by our litigation team were awarded as typical cases by China local courts and international media organizations. For instance, a debt disputes and contract disputes litigation case handled by Simon Tsi, the managing partner, was set up as a viewing court by the Beijing High People’s Court; A review of the refusal administrative litigation retrial case represented by our litigation team was named as 50 typical cases by the China Supreme People’s Court; etc. We Have obtained favorable court judgments before the China Supreme Court and the courts at all levels.

  • Patent prosecution and enforcement
  • Trademark prosecution and enforcement
  • Litigation and dispute resolution
  • Copyright & domain names
  • Administrative protection
  • Foreign direct investment
  • Company legal counseling
  • Employment law