Chang Tsi & Partners has a strong and growing patent practice, and our skilled patent attorneys handle all aspects of patent prosecution and enforcement, including invention patents, utility model patents, design patents, trade secrets, product packaging and decoration, protection of new plant varieties, integrated circuit layout, patent management and transfers, as well as patent-related unfair competition, consumer rights, product liability, advertisements, and other related matters. Our patent team includes the most outstanding patent attorneys and agents. Most of them have backgrounds in both science or engineering and law, and have passed both the law and patent bar exams in China and abroad.

Our services include:

  • Consultation on patent prosecution and enforcement strategy for overall patent protection.
  • Drafting, reviewing, and amending legal documents for patent assignment and licensing.
  • Patent searches and patent monitoring.
  • Filing patent applications for invention, utility model, and design.
  • Requesting patent re-examination and invalidation.
  • Filing patent administrative litigation
  • Providing customs recordal and customs training services.
  • Investigations and evidence collection for patent infringement.
  • Participating in administrative and arbitration for patent disputes and infringement.
  • Filing patent infringement litigation and assisting in criminal prosecution cases
  • Negotiating and providing other legal services related to patent licensing and assignment.
  • Patent annual fee payment and reminder services
  • Providing legal services on the price of shares patents, and negotiations on licensing and transfers
  • Designing and implementing global patent protection and licensing strategies.