How long does it take to apply for an invention patent in Shenzhen? Invention patents are the most demanding of all rights. The review and approval of invention patents is relatively strict, and the review time will be longer than other patents. Those who pass the review will obtain the invention patent rights. So how long does the review time for invention patents take? How long does it take to review an invention patent application in Shenzhen? From the application to the authorization of an invention patent, the entire process is completed in the examination. According to the provisions of the Patent Law, after receiving the invention patent application, the patent administration department of the State Council must go through a series of approval procedures such as preliminary examination, substantive examination, authorization and announcement, etc. The length of time required to complete these procedures depends on the progress of each link, and there is no exact rule. After the patent administration department of the State Council receives an invention patent application and determines upon preliminary examination that it meets the requirements of this Law, it will publish it immediately after eighteen months from the date of application. In order to gain time, the applicant can request the patent administration department of the State Council to publish its application as soon as possible; if the applicant has completed the substantive examination request procedures, the application will enter the substantive examination process, and the Patent Office will issue the applicant a notice of entering the substantive examination stage. . During the substantive examination stage, within 3 years from the filing date of an invention patent application, the patent administration department of the State Council shall conduct a substantive examination of the application based on the request made at any time. Therefore, the application can request a substantive examination at the same time as the application is submitted. In addition, whether the various application documents submitted by the applicant comply with the requirements of the Patent Law, whether they need to be revised or corrected during the review process, and the workload of the examiners of the Patent Administration Department of the State Council will directly affect the approval time. Generally speaking, it takes about three years to obtain a patent for an invention. Generally, invention patents are published after 18 months from the date of application. If a practical examination is filed immediately after publication, the authorization is usually granted after the second pass, which takes more than two years. In short, it depends on the specific case situation and the examiner. The law is There is no examination time limit, only the applicant’s response time is limited (four months for the first pass, two months for the second pass and beyond). You can also request early disclosure and review when applying, which will be faster, but it will not be authorized earlier than 18 months at the earliest. According to actual experience, under normal circumstances, an invention patent application generally takes about 2-3 years; according to patent It depends on the application technology and application documents. If corrections or multiple statements of opinions are required, the review time will be extended accordingly, up to 7-8 years. Based on the above introduction about the examination time of invention patents, the examination of invention patents is a strict and difficult process. On the one hand, it reflects that the country encourages technological innovation while also strictly controlling the quality of patents. However, it also seems to be reflected in the examination of invention patents. It may be possible to explore whether the timing of the program is consistent with the modern fast-paced market economy. How long does it take to review an invention patent application in Shenzhen? We have answered this question for you here. If you want to apply for an invention patent, please contact our online customer service, or call the Bajie Intellectual Property National Free Service Hotline. We have many years of professional intellectual property agency experience and a professional business team and the concept of serving customers wholeheartedly can help you apply smoothly.