Legal basis: Article 16 of the Detailed Rules for the Implementation of the Patent Law of People's Republic of China (PRC) shall specify the following items in the request for a patent application for invention, utility model or design: (1) the name of the invention, utility model or design; (2) If the applicant is a unit or individual in China, its name, address, postal code, organization code or ID number; If the applicant is a foreigner, foreign enterprise or other foreign organization, its name, nationality or registered country or region; (3) the name of the inventor or designer; (4) Where the applicant entrusts a patent agency, the name and agency code of the entrusted agency and the name, practice license number and contact telephone number of the patent agent designated by the agency; (5) Where priority is claimed, the filing date, application number and the name of the original accepting institution of the first patent application filed by the applicant (hereinafter referred to as the earlier application); (6) The signature or seal of the applicant or the patent agency; (7) List of application documents; (8) List of attached documents; (nine) other related matters that need to be explained.