What links does the application procedure for invention patent include?

The application procedure for invention patent includes seven stages: application, acceptance, preliminary examination, publication, substantive examination, authorization and announcement. To apply for a patent, the prescribed patent application documents shall be submitted to China National Intellectual Property Administration, which must be in written or electronic form and filled in according to the prescribed format. To apply for a patent for invention, the application documents shall include: the request for a patent for invention, the specification (with attached drawings when necessary), the patent claim, the abstract and the attached drawings in duplicate. The request shall specify the name of the invention or utility model, the name of the inventor or designer, 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 is the core of the application documents, and should be based on the specification, indicating the scope of patent protection.