Trademark law is a key practice area of our firm. Chang Tsi is known for its efficient work style and rich foreign agency experience in this field. Our lawyers and trademark agents are able to deal with any kind of complicated trademark matter whether it involves enforcement, market protection, commercial transactions, adding values to brand, etc.

Our services include:

  • Strategy development for overall trademark protection, prosecution and enforcement
  • Worldwide trademark rights verification and maintenance, trademark protection planning and global registration services
  • Trademark searches and monitoring
  • Trademark prosecution at home and abroad
  • Handling trademark oppositions, reviews, disputes and cancellation proceedings
  • Filing appeals against administrative decisions
  • Renewing trademark applications and recording changes of address
  • Recording trademark registrations at Chinese customs, and training customs officials on how to identify genuine and counterfeit products
  • Conducting trademark infringement investigations and evidence collection
  • Handling trademark administrative actions (including AIC, quality inspection, public security, customs), including raids of manufacturers and vendors of counterfeit products
  • Handling trademark infringement litigation and assisting on criminal prosecution cases
  • Drafting, revising, and reviewing trademark related agreements, including trademark assignments, and licenses
  • Intellectual property due diligence in business transactions such as investments, mergers and acquisitions
  • Trademark licensing and franchise strategy