On March 11, 2000 (February 6, 2000 in the lunar calendar), the World Intellectual Property Organization Diplomatic Conference was held in Geneva. The World Intellectual Property Organization Diplomatic Conference was held in Geneva on May 11, 2000. After more than four years of preparation, the Patent Law Treaty was adopted at this meeting. 104 countries, including China, and three intergovernmental organizations signed the final document confirming that the new Patent Law Treaty has been adopted.