How long does it take from patent application to patent grant?

There are three kinds of patents, one is invention patent, the other is utility model patent and the other is design patent. These three kinds of patents need different time from application to grant. Generally speaking, invention patents take the longest time and need more examination. The following small series will explain to you how long it takes from patent application to patent authorization. How long does it take from patent application to patent grant? How long does it take from patent application to patent grant? I. Application for a patent for invention After receiving an application for a patent for invention, the administrative department for patent in the State Council, after preliminary examination, finds that it conforms to the provisions of this Law, and shall publish it immediately after 18 months from the date of application. The patent administration department of the State Council may publish its application at an early date upon the request of the applicant. Within three years from the date of filing, the patent administration department of the State Council may conduct substantive examination according to the request made by the applicant at any time; If the applicant fails to request substantive examination within the time limit without justifiable reasons, the application shall be deemed to have been withdrawn. The patent administrative department of the State Council may, when it deems it necessary, examine the application for a patent for invention on its own. If the application for a patent for invention is rejected after preliminary examination and substantive examination, the Patent Office shall make an authorization decision, issue a patent certificate, register and announce it. It takes about 3-5 years for an invention patent to be applied for and authorized. Two, the application for a patent for utility model and design within three years from the date of application, the administrative department for patent in the State Council can at any time according to the applicant's request for substantive examination of its application; If the applicant fails to request substantive examination within the time limit without justifiable reasons, the application shall be deemed to have been withdrawn. The patent administrative department of the State Council may, when it deems it necessary, examine the application for a patent for invention on its own. If the application for a patent for utility model is rejected after preliminary examination, the Patent Office shall make an authorization decision, issue a patent certificate, register and announce it. It takes about 6 ~ 10 months to grant the utility model patent. If the application for a patent for design is rejected after preliminary examination, the Patent Office shall make an authorization decision, issue a patent certificate, register it and announce it. It takes about 6 ~ 8 months from application to authorization of design patent. How long does it take from patent application to patent grant? Bian Xiao answered this question here. If you have more questions about patents, you can continue to pay attention to Bajie's intellectual property rights or contact us by phone.