Personal patent application process: 1 Invention patents are subject to preliminary examination and substantive examination, and utility models and designs are subject to preliminary examination before they are authorized to be announced. (1) A patent for invention shall submit a request, specification, abstract of specification and claim, and the specification shall be attached when necessary. (2) The patent for utility model shall submit the request, the patent claim, the specification, the appended drawings of the specification, the abstract of the specification and the appended drawings of the abstract. (3) A patent for design shall submit a request, a design picture or a photograph. The patent for utility model and design takes about 8- 12 months. After the formal examination and approval, the authorization notice will be issued and the license will be obtained. After paying the license fee, you can get the patent certificate in about 2-3 months. The specific time depends on the speed of the examiner's examination, the degree of detail of the applicant's public information and the provision of drawings.