What materials do I need to submit to apply for a patent for invention?

1. The legal documents submitted when applying for a patent must be in written form and filled in according to the prescribed uniform format. To apply for different types of patents, you need to prepare different documents. 2. 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. 3. To apply for a patent for utility model, the application documents shall include the request, specification, drawings of the specification, claims, abstract and drawings in duplicate. 4. To apply for a design, the application documents shall include: a request for a patent for design, pictures or photographs in duplicate. Where color protection is required, a color and a black-and-white picture or photograph shall also be submitted. If it is necessary to explain the pictures or photographs, a brief description of the design shall be submitted in duplicate. Legal basis: Article 26 of the Patent Law of People's Republic of China (PRC), when applying 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. Article 27 To apply for a patent for design, a written request, a picture or photograph of the design, a brief description of the design and other documents shall be submitted. The relevant pictures or photographs submitted by the applicant shall clearly indicate the design of the product for which patent protection is required.