When did China formally join the Patent Cooperation Treaty?

Since 1 994,65438+10,1,China has officially become a member of the Patent Cooperation Treaty (PCT), and China Patent Office has officially become the PCT acceptance bureau, designation bureau and selection bureau, international retrieval unit and international preliminary examination unit. Chinese has become one of the official working languages of PCT. From then on, China can apply for foreign patents directly through PCT in Chinese.

Patent Cooperation Treaty (PCT) is the most important international treaty in the patent field after the Paris Convention for the Protection of Industrial Property, and it is another milestone in the development history of the international patent system. The treaty was signed by 35 countries in Washington on June 1970. 1978 was implemented on June 1 day. As of July 20 13, * * has 148 member countries and belongs to the Geneva-based World Intellectual Property Organization.