Contents of patent invention certificate: name of invention, name of inventor, patent number, date of patent application, name of patent applicant, date of authorization announcement, signature of then director China National Intellectual Property Administration and seal of China National Intellectual Property Administration. According to the Patent Law, the examination and approval procedure of an application for a patent for invention includes five stages: acceptance, preliminary examination, publication, substantive examination and authorization.
legal ground
Article 2 of the Patent Law of People's Republic of China (PRC)
The first page of the invention patent certificate records the following contents: the name of the invention, the name of the inventor, the patent number, the date of patent application, the name of the patentee (that is, the name of the applicant), the date of authorization announcement, the signature of the then director China National Intellectual Property Administration and the seal of China National Intellectual Property Administration.