WIPO and PCT patent applications

PCT starts with the application number, and WO starts with the WeChat official account of the application.

For example, the application number format of PCT is as follows:

PCT/CN2000/00067 1, and its international publication number is WO/200 1/048 199.

Among them, CN2000 indicates that the application submitted by the Bureau was accepted in China in 2000, and the application was published on 200 1.