What is the examination and authorization process of invention patents?

What is the examination and authorization process of invention patents? China's patent law stipulates that the application for a patent for invention shall be subject to the system of early publication and request examination. So what is the examination and authorization process of invention patents? Examination and Authorization Process of Invention Patents If you need professional patent services, Bajie Intellectual Property will help you! Bajie's intellectual property business has developed rapidly, focusing on trademark, patent, copyright, domain name and other intellectual property business directions. Bajie's intellectual property patent application and patent transfer agency services have been recognized by the industry. For patent transfer and patent application transaction, please consult Bajie Intellectual Property Customer Service as soon as possible. What is the examination and authorization process of invention patents? The complete examination procedure of an application for a patent for invention includes three stages: preliminary examination, substantive examination and patent grant. An application for a patent for invention must go through these three stages before it can be approved. The preliminary examination stage includes accepting patent applications, collecting patent fees, examining classification and obvious defects, examining formats and publishing patent applications. The substantive examination stage includes the start of the substantive examination procedure, the verification of the application documents, the preparation and retrieval of the substantive examination, the substantive examination and the issuance of the first notice of examination opinions, the applicant's reply, modification and the examiner's continued examination, and the examiner will issue a notice of granting the patent right on behalf of China National Intellectual Property Administration. The authorization stage includes China National Intellectual Property Administration's two authorization registration notices, applicant registration, China National Intellectual Property Administration's authorization decision, patent certificate issuance and registration, and China National Intellectual Property Administration's decision to grant patent right. A few applications may have to go through revocation procedures and/or invalid procedures after being authorized. The applicant must pay attention to all aspects of payment, and reply to China National Intellectual Property Administration's rectification notice in time, so as to facilitate the smooth progress of patent application examination. Of course, the applicant has the right to withdraw his patent application at any time. The technology patent application has been authorized, and the patentee can also give up the patent right. What is the examination and authorization process of invention patents?