1, application stage. The application documents for utility model shall include: the request for the patent for utility model, the specification, the drawings of the specification, the claims, the abstract and the drawings of the abstract. An application for a patent for utility model must have a description and drawings. Where a patent agency is entrusted, a power of attorney shall be submitted. To apply for fee reduction, an application for fee reduction and corresponding supporting documents shall be submitted.
2. Review stage. During the preliminary examination, the examiner will issue a notice of correction to the formal problems in the application documents. The applicant makes corrections to the notice.
3. Authorization stage. After passing the preliminary examination, 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. Then, the applicant can obtain a patent certificate after going through the registration formalities. This period of time is about 2-3 months.