What is the procedure of patent examination and approval?

The examination and approval procedure of patent application is: the applicant files a patent application, and the patent department of the State Council accepts the application for preliminary examination and substantive examination. If it does not meet the requirements after substantive examination, the party concerned shall be notified to modify the application, and if it still does not meet the requirements, the application shall be rejected; If the substantive examination meets the requirements, a decision shall be made to grant the license, a patent certificate shall be issued, and it shall be registered and announced.

legal ground

Article 34 of the Patent Law of People's Republic of China (PRC)

After receiving an application for a patent for invention, the administrative department for patent in the State Council, after preliminary examination, finds that it conforms to the provisions of this Law, and shall publish it immediately after 18 months from the date of application. The patent administration department of the State Council may publish its application at an early date upon the request of the applicant.

Article 35

Within three years from the date of filing, the patent administration department of the State Council may conduct substantive examination according to the request made by the applicant at any time; If the applicant fails to request substantive examination within the time limit without justifiable reasons, the application shall be deemed to have been withdrawn.

Article 37

After examining the application for a patent for invention in substance, the administrative department for patent in the State Council considers that it is not in conformity with the provisions of this Law, so it shall notify the applicant and ask him to state his opinions or amend his application within a specified time limit.

And Articles 38 and 39 of the Patent Law.