How long does it take to apply for utility model patent and invention patent?

Different types of patent applications have different time, and there are three types of patent applications. They are invention patents, utility model patents and design patents. 1. The application time for invention patent is 2-3 years, and the protection period is 20 years. 2. The application time for utility model patent is from June to August, and the protection period is 10 year. 3. The application time for design patent is 4-6 months, and the protection period is 10 year. 1. How long does it take to apply for an invention patent? It takes about two and a half years from application to authorization. After obtaining the patent right, the annual fee shall be paid in accordance with the regulations; The term of protection of an invention patent is 20 years, counting from the date of application. The invention patent cannot be renewed. 2. What is the application procedure for the invention patent? 1. Original technical data and personal (unit) information provided by the applicant; 2. Entrust a patent agency, sign an agency agreement, and write patent application documents that meet the requirements of the Patent Law; You can search it first if necessary. 3. Submit the patent application documents to the State Patent Office, obtain the patent application number, and pay the patent application fee as required; 4. After preliminary examination, the application for a patent for this invention will be published in the patent bulletin and website 18 months after the date of application; According to the requirements of the applicant, it may also be required to publish it in advance at any time within 15 months from the date of application; 5. Enter the stage of substantive examination (substantive examination): the applicant may file an application for substantive examination with the Patent Office at any time within 3 years from the date of application or after the patent application is made public, and must pay the patent substantive examination fee in accordance with the regulations; 6. After substantive examination, the patent conforms to the practicality, novelty and creativity of the invention, and the patent right is granted, and the patent application maintenance fee, annual fee, printing fee and certificate fee are paid in accordance with the regulations to obtain the invention patent certificate; Authorized invention patents will be published. 7. Where a prior application for a patent for invention is claimed, the relevant information of the prior application shall be provided.