What are the substantive examination requirements for an application for a patent for invention?

Substantive examination refers to China National Intellectual Property Administration's careful study of the application documents of an application for a patent for invention, searching for the invention to be protected, determining whether the invention conforms to the provisions of the Patent Law and its detailed rules for implementation, and finally making a decision on whether to grant a patent right. Contents of substantive examination: (1) Whether it complies with the provisions of Article 5 of the Patent Law, that is, whether the subject matter of the patent application violates national laws, social morality or harms the public interest; (2) Whether it conforms to the provisions of Article 25 of the Patent Law, that is, whether the subject matter of the patent application belongs to the scope where the patent right cannot be granted; (3) Whether it meets the provisions of Article 33 of the Patent Law, that is, whether the patent application meets the requirements of oneness; (4) Whether it complies with the provisions of Article 31 of the Patent Law, that is, whether the applicant has gone beyond the scope recorded in the original specification (including the appended drawings) and the claims when amending the application or filing a divisional application; (5) Whether it conforms to the definition of invention stipulated in the Patent Law and its detailed rules for implementation, that is, the new technical scheme proposed for the product, method or its improvement. (6) Whether it complies with the provisions of Article 18 of the Detailed Rules for the Implementation of the Patent Law, that is, whether the writing of the invention for which the patent application is applied meets the specified requirements, and making a clear and complete description of the invention to be protected, so that technicians in their technical fields can realize it; (7) Whether it complies with the provisions of Article 20 of the Detailed Rules for the Implementation of the Patent Law, that is, whether the claim clearly and concisely states the scope of protection, whether the claim is based on the specification, and whether the independent claim contains all the necessary technical features to solve the technical problems to be solved by the invention. (eight) whether the application meets the requirements of priority, if it is found that others filed another patent application on the same subject between the priority date and the application date, or found that relevant documents were made public during this period through search, the priority requirements will be examined; At the same time, judge the patentability of the invention patent application according to the retrieved comparison file. Within three years from the date of application, China National Intellectual Property Administration may, upon the request of the applicant at any time, conduct a substantive examination of the application; If the applicant fails to request substantive examination within the time limit without justifiable reasons, the application shall be deemed to have been withdrawn. When necessary, China National Intellectual Property Administration can examine the application for a patent for invention on its own.