Legal analysis: According to the provisions of my country's patent law, the materials for different patent applications are different. To apply for an invention patent, you need to submit a request, description, abstract, claims and other documents. Invention patent: The application documents shall include an invention patent request, a description (with description and drawings if necessary), a patent claim, an abstract and its drawings (with description and drawings) in duplicate. Utility model patent: The application documents shall include a utility model patent request, description, drawings of the description, claim, abstract and drawings in duplicate. Applying for a design patent: The application documents should include a design patent request, pictures or photos, each in duplicate.
Legal basis: "Patent Law of the People's Republic of China" Article 27 When applying for a design patent, a request, a picture or photo of the design, and a description of the design shall be submitted. Brief description and other documents. The relevant pictures or photos submitted by the applicant should clearly show the design of the product for which patent protection is sought.