With an 'exceptionally deep bench across all areas of IP', Chang Tsi & Partners is noted for its expertise in trade mark matters, handling both contentious and non-contentious trade mark issues. The practice also has scope outside of trade marks and is well-versed in handling patent, domain name and judicial protection matters. The firm has wide reach across China, with lawyers based mainly in Beijing but also in Shanghai and Shenzhen. Founding partner and practice head Spring Chang splits her time between Beijing and the US, advising on IP prosecution matters for electronics, consumer, pharmaceutical, and apparel clients. Simon Tsi is an expert litigator who also splits his time between Beijing and the US, while Michael Wu leads the Shenzhen team and focuses on patent, trade mark and copyright infringement. Beijing-based Michael Fu specialises in enforcing IP rights.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘Chang Tsi & Partners IP litigation and enforcement team delivers consistently clear and concise strategies.’
‘Chang Tsi & Partners have an exceptionally deep bench across all areas of IP. We refer them to clients regularly and without hesitation.’
Key clients
- American Dairy Queen Corporation (ADQ)
- Johnson & Johnson
- Dart Industries, Inc.
- Michael Kors
- Illinois Tool Works Inc.
- Nutramax Laboratories
- Intercontinental Great Brands
- Baker Hughes
- Six Contintents Hotels
- Air China
- American Dairy Queen Corporation (ADQ)
Work highlights
- Advised Intercontinental Great Brands on the 'oreo' case involving criminal and civil aspects of IP.
- Advised K Company on a series of cases related to trade mark infringement.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Practice head
The lawyer(s) leading their teams.
Simon Tsi, Spring Chang, Michael Wu, David Liu, Jian Qin, Tracy Shen, David Lee, Michael Fu, Nancy Qu, Yan Gao, Ason Zhang