Where can I find the file number of the patent electronic application user?

The user file number of the patent electronic application can be found in the following three places:

1. It can be inquired through China Patent Inquiry System.

2, the patent number website query.

The predecessor of China National Intellectual Property Administration is the Patent Office of the People's Republic of China (hereinafter referred to as the China Patent Office). 1980 was established with the approval of the State Council. During the institutional reform in the State Council from 65438 to 0998, China Patent Office was renamed as China National Intellectual Property Administration, which became an institution directly under the State Council, and was in charge of the comprehensive coordination of patent work and foreign-related intellectual property affairs. China National Intellectual Property Administration Patent Office is a subsidiary of China National Intellectual Property Administration. China National Intellectual Property Administration entrusted the China National Intellectual Property Administration Patent Office to be responsible for the acceptance, examination, reexamination and authorization of patent applications and the examination of requests for invalidation.

The user file number of an electronic patent application is the number given by the patent office when the applicant submits the patent application, which is one of the most important legal affairs in the acceptance procedure.