What are the online patent inquiry methods? How long is the duration of patent protection?

In order to obtain a patent certificate, it is very important to inquire about the patent application in time. Patent applications need to go through preliminary examination and examination stage. If we don't pay attention to the examination results in time, the patent examination process may be delayed. The good news is that you can now check the patent examination online. Here is a brief introduction to the method of online patent inquiry. How long is the duration of patent protection? What are the online patent inquiry methods? If it is an invention, it can be found in the substantive examination; If it is another patent, it can only be found after authorization. According to the Patent Law, the examination and approval procedure of an application for a patent for invention includes five stages: acceptance, preliminary examination, publication, actual examination and authorization, while the application for a utility model and a design has only three stages, without publication in advance and substantive examination. 1, the applicant can enter his own application system for inquiry; 2. If you entrust an agency, you can find an agency to inquire; 3. You can also check the patent status on the website of the National Information Bureau. According to China's patent law, invention patents are subject to substantive examination, while utility model patents and design patents are subject to formal examination. The latter also needs to meet substantive requirements. 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. How long is the duration of patent protection? The term of protection of a patent is calculated from the date of patent application: 1, and the term of protection of an invention patent is 20 years. 2. The protection period of utility model patent and design patent is 10 year. What are the online patent inquiry methods? How long is the duration of patent protection? We are here to answer this question for you. If you have more questions about patent inquiry, you can continue to pay attention to Bajie Intellectual Property or contact us by phone.