From March 1, 2023, CNIPA, as the receiving office, will no longer accept the PCT international application documents filed by fax and any documents or letters related thereto after the application. PCT international applicants can submit the PCT international application documents in electronic or paper form to CNIPA and handle relevant business by using the client terminal and website of "Patent Business Handling System" (https://cponline.cnipa.gov.cn).

It is hereby announced.

CNIPA

February 3, 2023

(Source: website of CNIPA)