Legal analysis: Patent substantive examination means that when the patent office examines an application, it must not only examine the formal requirements of the application, but also whether the invention-creation in the application meets the novelty, Substantive elements such as creativity and practicality will be reviewed.
Legal basis: "Patent Law of the People's Republic of China" Article 37 If, after conducting a substantive examination of an invention patent application, the patent administration department of the State Council deems that it does not comply with the provisions of this Law, it shall notify the applicant The person is required to state their opinions or make modifications to their application within a specified time limit; if they fail to respond within the time limit without justifiable reasons, the application will be deemed to have been withdrawn.