Welcome to IP Asia—your comprehensive resource for all intellectual property matters across the Asian continent. We are passionate about supporting businesses of all forms in Asia, and IP Asia embodies this commitment. Asia is a vast and dynamic continent, yet navigating the diverse IP laws and requirements of its 48 countries and 3 regions can be daunting.
We handle all aspects of trademark protection across Asia - from searches and filings to enforcement and portfolio management. Our local teams and regional IP expertise ensure optimal trademark strategies for every market.
Chang Tsi & Partners provides comprehensive patent services across all Asian jurisdictions, including filing, prosecution, maintenance and enforcement. Our team of qualified patent attorneys, all holding advanced degrees in engineering or science, is supported by technical specialists and legal professionals with deep expertise in Asian IP systems.
We provide comprehensive copyright registration and protection services across Asia. Our team of IP professionals, with deep expertise in Asian copyright laws, works closely with local associates to safeguard clients' creative works throughout the region.
Leveraging firsthand knowledge of Asia's diverse legal systems, we deliver strategic counsel on copyright matters - from registration to enforcement - tailored to each jurisdiction's requirements.
We specialize in the management of patent annuity payments across Asia - from fee calculation to multi-country payment processing. Our centralized service ensures compliance while minimizing administrative burdens.
We handle all aspects of IP renewals across Asia - from deadline monitoring to multi-jurisdictional portfolio management. Our systematic approach ensures seamless continuation of your intellectual property rights.
Shanghai, China – Chang Tsi & Partners has been named “IP Firm of the Year – China” at the prestigious 2025 China Law & Practice Awards, marking its third win in the past five years. The award recognizes the firm’s exceptional performance in trademark, patent, and copyright enforcement across Chinese jurisdictions.
Beijing, China – Chang Tsi & Partners recently represented a leading Chinese telecommunications company in a groundbreaking Standard Essential Patent (SEP) litigation case, securing a favorable judgment at the Beijing Intellectual Property Court. The ruling sets a significant precedent for FRAND (Fair, Reasonable, and Non-Discriminatory) licensing disputes in China’s rapidly evolving tech sector.
Responding to growing client demand, Chang Tsi has launched its newest office in Vietnam—strengthening its ASEAN IP enforcement network.
