What are the stages of invention patent application? How long can it be protected after the application is successful?

What are the stages of invention patent application? How long can it be protected after the application is successful? Patent classification includes invention patent, utility model patent and design patent. Because it is the most difficult to apply for an invention patent, and the initial investment of capital and technology is the most, the annual invention patent authorization in a region is considered as an important indicator of local innovation ability. Let's talk about several stages of invention patent application. What are the stages of invention patent application? 1. patent acceptance stage this is the first step: after the applicant submits the documents to the patent office, the patent office will review the patent documents after receiving them. If the conditions for acceptance are met, the Patent Office shall determine the date of application and issue a notice of patent acceptance to inform the applicant. 2. The patent application documents accepted in the preliminary examination stage will automatically enter the preliminary examination stage if the application fee is paid in accordance with the regulations. The staff of the patent office will conduct a preliminary examination according to the scope of rights required by the patent law to see if the patent application documents are qualified. If it is unqualified, the Patent Office will notify the applicant to make corrections or statements within the prescribed time limit. If no reply is made within the time limit, the application shall be deemed to be withdrawn. If the defect has not been eliminated after the reply, it shall be rejected. 3. Patent document disclosure stage The patent application will enter the disclosure stage after the first trial is passed. General invention patents will not enter the publication stage until 15 months after the filing date. The application may require the Intellectual Property Office to disclose the patent application documents in advance. After the publication of the application documents, the applicant's patent documents obtained the relative protection right. 4. During the actual trial of the patent application, the staff of the Intellectual Property Office will conduct a comprehensive review of whether the invention patent is novel, creative and practical and other substantive conditions stipulated in the Patent Law. After examination, if it is found that the application does not meet the authorization conditions or there are various defects, the applicant will be notified to state his opinions or make amendments within the specified time. If no reply is made within the time limit, the application shall be deemed to have been withdrawn. If the application still fails to meet the requirements after repeated replies, the application shall be rejected. Generally, substantive review takes a long time and requires patience. 5. After all the above procedures are passed in the licensing stage, Patent examiners will proofread the patent, issue the patent authorization notice and registration notice after modification, and pay the relevant fees within two months. Failure to pay shall be regarded as giving up the patent right. How long can it be protected after a successful application for an invention patent? The term of protection of invention patent can reach 20 years as long as the annual fee is paid on time; The protection period of the utility model is 10 year. Therefore, for inventions with a long life cycle, applying for invention patents can obtain much longer protection time than utility model patents. What are the stages of invention patent application? How long can it be protected after the application is successful? We are here to answer this question for you. If you want to apply for an invention patent, please contact our online customer service or call Bajie Intellectual Property National Free Service Hotline. We have many years of professional intellectual property agency experience, first-class business team and the concept of serving customers wholeheartedly, which will definitely help you apply smoothly.