Patent applications need to be made to the local patent administration department. The patent department of the local government is responsible for patent management. The details are as follows:

"Patent Law of the People's Republic of China"

Article 3 The Patent Administration Department of the State Council is responsible for managing patent work nationwide; it uniformly accepts and examines patent applications and grants patent rights in accordance with the law.

The patent management departments of the people's governments of provinces, autonomous regions, and municipalities directly under the Central Government are responsible for patent management within their respective administrative regions. Extended information

Requirements for patent applications:

"Implementing Rules for the Patent Law of the People's Republic of China"

Article 15 Application in writing For patents, application documents must be submitted in duplicate to the patent administration department of the State Council. Applications for patents in other forms prescribed by the patent administration department of the State Council shall comply with the prescribed requirements.

When an applicant entrusts a patent agency to apply for a patent and handle other patent affairs with the patent administration department of the State Council, he or she shall submit a letter of authorization at the same time, stating the entrustment authority.

If there are more than two applicants and no patent agency has been entrusted, the first applicant specified in the request shall be the representative unless otherwise stated in the request.

Baidu Encyclopedia ?Patent Application