Patent application requires the following process:
1. The applicant shall submit a written application;
2. After receiving the invention patent application, the patent administration department of the State Council shall Conduct an eighteen-month preliminary review. If the examination is passed, it will be published immediately;
3. If the invention patent application passes the substantive examination within three years from the filing date, an invention patent certificate will be issued.
Legal basis: Article 26 of the Patent Law of the People's Republic of China. To apply for an invention or utility model patent, a request, description and abstract, claims and other documents must be submitted. The request shall state the name of the invention or utility model, the name of the inventor, the name and address of the applicant, and other matters. The description should provide a clear and complete description of the invention or utility model, and should be capable of being implemented by a person skilled in the technical field. Where necessary, drawings should be available. The technical key points of the invention or utility model should be briefly described. The claims should be based on the description and clearly and briefly define the scope of patent protection. For inventions and creations based on genetic resources, the applicant shall indicate the direct source and original source of the genetic resources in the patent application documents; if the applicant cannot explain the original source, the applicant shall explain the reasons.