Trademark

Chang Tsi & Partners assists clients across Asia with trademark filing strategies, registrability searches, prosecution, rights protection and renewals. We also advise on recordal and post-registration matters and work closely with local associates and IP authorities throughout the region. Our experience and knowledge of Asian trademark systems enable us to develop effective prosecution and protection strategies across multiple jurisdictions.

Why Us

Why Us

Our trademark practice has been recognized by international legal and IP publications including Chambers, The Legal 500 and World Trademark Review. We provide full-lifecycle trademark services covering domestic and international filing and maintenance, market monitoring, investigations, administrative enforcement, customs protection, infringement litigation, IP strategy, brand development, trademark licensing and IP due diligence.

Trademark Strategy & Portfolio Planning: We advise on overall trademark and brand protection strategies, including the development of internal brand management systems and procedures. Our services cover global trademark acquisition and maintenance strategies, brand protection planning, portfolio development, and global trademark protection and licensing strategies.

Searches, Clearance & Filing: We conduct trademark searches and clearance reviews and assist with trademark design and filing. Our team coordinates domestic and international applications to help clients build and maintain trademark portfolios across key markets.

Trademark Prosecution & Dispute Resolution: We represent clients in opposition, review, invalidation and cancellation proceedings, as well as trademark administrative litigation. We also handle renewals, amendments and other recordal matters and continuously monitor the status of clients’ trademark rights.

Enforcement & Anti-Counterfeiting: We protect and enforce trademark rights through court proceedings, oppositions and cancellations, company-name disputes, domain-name arbitration, online takedowns, advertising complaints, customs recordal and anti-counterfeiting actions. Our services also include market investigations and evidence collection, administrative enforcement and civil and criminal litigation across Greater China and Asia.

Licensing, Transactions & Commercialization: We advise on trademark transactions and commercialization, including trademark assignments and licensing, transaction documentation, IP due diligence in investments and M&A, and IP valuation. Our litigators also bring substantial experience in negotiation and settlement, helping clients pursue commercially practical and cost-effective solutions.

Our Team