As of March 1, 2023, CNIPA, the receiving office, will no longer accept PCT international application documents and any documents or letters related to it submitted after the application submitted by fax. PCT international applicants shall submit PCT international application documents to the Chinese Office or for related business electronically or in paper form on the "Patent Business Management System" client-side and web version.

It is hereby announced.

CNIPA

February 3rd, 2023