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.
Our Patent Team of Chang Tsi & Partners organized a team-building event to celebrate the great achievement in 2019-2020. As Ms Chenyan Wu (Patent Partner) said, despite the global pandemic, the number of patent filings we handled by August 31, 2020 already surpassed the total number in 2019.
According to CHATM, Chang Tsi & Partners is listed among the Top 10 Opposition Filing Agencies with the Highest Win Rate
We are pleased to announce that Simon Tsi and Michael Fu, two partners of Chang Tsi & Partners, have been listed in "Chinese IP Lawyers Top 50" by Zhichanli (IP Power), a well-known IP focused media in China.
We represented UNDER ARMOUR in an influential trademark infringement and unfair competition case in China and won in the final judgment.
Simon Tsi (Managing Partner of Chang Tsi & Partners) was awarded “2020 Client Choice: Top 15 Intellectual Property Versatile Practitioners” with his 27 years of abundant professional experience and his high reputation among clients by LEGALBAND.
