2. If necessary, you can search first, submit the patent application documents to the State Patent Office, pay the patent application fee as required, and enter the preliminary examination after passing the examination.
3. From the date of filing 18 months later, the application for a patent for invention will be published in the patent bulletin and website. According to the requirements of the applicant, it can also be announced in advance at any time within 15 months from the date of application.
4. At the stage of substantive examination (actual examination), the applicant may submit an actual examination to the Patent Office at any time within 3 years from the date of application, or submit an actual examination after the patent application is made public, and pay the actual examination fee for the patent according to the regulations.
Article 26 of the Patent Law of People's Republic of China (PRC): To apply for a patent for invention or utility model, a request, specification, abstract, patent right and other documents shall be submitted. The request shall specify the name of the invention or utility model, the name of the inventor, the name and address of the applicant and other matters.
The specification shall give a clear and complete description of the invention or utility model, which shall be subject to the realization of the technical personnel in the technical field; Attached drawings shall be attached when necessary. The technical points of the invention or utility model shall be briefly explained.
The patent claim shall be based on the specification, and clearly and briefly define the scope of patent protection. For inventions that rely on genetic resources, the applicant shall state the direct source and original source of genetic resources in the patent application documents; If the applicant cannot explain the original source, it shall explain the reasons.
The above contents refer to Baidu Encyclopedia-National Invention Patent.