2. The patent application accepted in the preliminary examination stage will automatically enter the preliminary examination stage if the application fee is paid in accordance with the regulations. Before the preliminary examination, the application for a patent for invention must be examined in confidentiality, and if confidentiality is required, it shall be handled in accordance with the confidentiality procedures. In the preliminary examination, it is necessary to examine whether there are obvious defects in the application, mainly including whether the contents of the examination fall within the scope of the patent law that does not grant the patent right, whether the obvious lack of technical content does not constitute a technical scheme, whether it lacks singularity, whether the application documents are complete and whether the format meets the requirements.
3. Publication stage The application for a patent for invention has entered the publication stage since the notice of preliminary examination was issued. If the applicant does not make an early request for publicity, it will not enter the public preparation procedure until 18 months after the application date. If the applicant requests to be made public in advance, the application will immediately enter the public preparation procedure.
4. Authorization stage
(1) Authorization: After the first trial is passed, the examiner will issue a notice of granting the patent right. After receiving the notice of granting the patent right, the applicant needs to go through the following registration procedures: pay the patent registration fee, the annual fee for authorization, the printing fee for the announcement and the stamp duty on the patent certificate within the prescribed time limit.
(2) Issuance of certificates: The applicant can obtain a patent certificate after going through the registration formalities. This period of time is about 2-3 months.