How long can I get the certificate after the change of utility model patent?

Every country protects invention patents, and utility model patents belong to one of the types of invention patents. If the utility model patent needs to be changed, the certificate cannot be obtained immediately after the change. Then, how long can I get the certificate after the change of utility model patent? How soon can I get the certificate 1 after the change of utility model patent? Generally, the payment date after the patent for utility model is accepted shall prevail, and it takes about 3-4 months for qualified authorization. After paying the license fee and annual fee, it takes about 1 month to apply for a license; 2. A patent for utility model, also known as a small invention or patent, is the object of patent right and the object of patent law protection, and refers to a utility model that should be granted a patent right according to law. Utility model usually refers to a new practical technical scheme for the shape, structure or combination of products; 3. The termination of the patent right of utility model can be divided into: (1) termination upon expiration: the patent right of utility model or design shall be maintained for 10 years from the date of application and terminated according to law; (2) Termination without payment: If the patentee fails to pay the annual fee and overdue fine in full as required, the patent right shall be terminated from the expiration date of the previous year. Application process of utility model patent 1 The application documents for utility model at the application stage shall include: the request for a patent for utility model, the specification, the appended drawings of the specification, the patent claim, the abstract and the appended drawings. 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. In the examination stage, China implements a preliminary examination system for utility model patent applications. 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. At the same time, the examiner will examine whether it belongs to the customer protected by the utility model patent. If there are customers who are not protected by the utility model patent, the examiner will issue a notice of examination opinions, and the applicant will reply to the notice of examination opinions or modify the application documents. The utility model patent is only a preliminary examination, and there is no substantive examination like the invention patent application. It mainly examines whether the application for a patent for utility model has the documents stipulated in Article 26 of the Patent Law and other necessary documents, and whether these documents conform to the prescribed format, including the following matters: whether the application for a patent for utility model obviously belongs to the provisions of Articles 5 and 25 of the Patent Law, or obviously does not conform to the provisions of Articles 18 and 19, paragraph 1, or Article 31, paragraph 1, Article 33, Article 2, paragraph 3, Article 22, paragraph 2 or Article 4 of the Patent Law. Whether it obviously does not conform to the provisions of Article 26, Paragraph 3 or Paragraph 4, Article 31, Paragraph 1 and Article 33 of the Patent Law, or whether the patent right cannot be obtained according to the provisions of Article 9 of the Patent Law; The Patent Office will notify the applicant of the examination opinions and ask him to state his opinions or make corrections within a specified time limit; If the applicant fails to reply within the time limit, his application shall be deemed to have been withdrawn. If, after the applicant has stated his opinions or made corrections, the Patent Office still considers that it does not meet the requirements listed in the preceding paragraph, it shall reject it. 3. 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.