Since its inception in 2002, Chang Tsi & Partners has successfully positioned itself as one of the top law firms in China. It has a strong reputation for IP protection and disputes in China. The firm has kept boosting its international presence in the U.S., Europe, Japan and other Asian markets in recent years.
Notable soft IP practitioners: Spring Chang, Simon Tsi, Michael Fu, and Nancy Qu.
2025
"Reliability, responsiveness, and high-quality work."
"The team are very strategic and commercial in their advice, and offer value for money for our clients doing business in China."
“The team is professional, detail-oriented, and proactive in offering practical solutions. It’s clear they are committed to achieving the best outcomes for their clients."
“Their deep local expertise combined with clear, responsive communication made them a reliable choice for our needs."
"They answer immediately, and are very organised.”
"They are proactive, strategic and provide value for money."
"Very professional, prompt responses."
"We chose Chang Tsi & Partners because of their strong reputation in the IP field, particularly in China, and their proven track record of delivering high-quality results for international clients.”
"We have excellent experiences with them."
"What we appreciate most about Chang Tsi & Partners is their deep expertise in Chinese IP law, their strategic approach to complex issues, and their responsiveness.”
The firm successfully represented Master Kong Company in a high-stakes patent invalidation case against Nissin Company.
The firm represented Inner Mongolia Yili Industrial Group, a leading dairy enterprise, in a series of trademark invalidation administrative litigation cases.