Article 17 of the Detailed Rules for the Implementation of the Patent Law: The description of an application for a patent for invention or utility model shall indicate the name of the invention or utility model, which shall be consistent with the name in the request. The specification shall include the following contents: (1) technical field: specify the technical field to which the technical scheme to be protected belongs; (2) Background technology: stating the background technology that is helpful for understanding, searching and examining the invention or utility model; Possibly, and cite the literature reflecting these background technologies; ? (3) Content of the invention: state clearly the technical problems to be solved by the invention or utility model and the technical scheme adopted to solve the technical problems, and state clearly the beneficial effects of the invention or utility model relative to the existing technology; ? (4) Description of drawings: If there are drawings in the specification, a brief description of each drawing shall be given; (5) Specific mode of implementation: explain in detail the preferred mode of realizing the invention or utility model that the applicant thinks; If necessary, give examples; If there are drawings, refer to the drawings. ? The applicant for a patent for invention or utility model shall write the specification in the manner and order specified in the preceding paragraph, and write the title at the front of each part of the specification, unless the nature of the invention or utility model can be written in other ways or order, so as to save the length of the specification and enable others to accurately understand the invention or utility model. ? The description of an invention or utility model shall use standardized words and clear sentences, and shall not use quotations such as "as stated in the claims" or commercial propaganda terms. Where an application for a patent for invention contains one or more nucleotide or amino acid sequences, the specification shall include a list of sequences conforming to the provisions of the patent administration department of the State Council. The applicant shall submit the sequence table as a separate part of the specification, and submit a computer-readable copy of the sequence table in accordance with the provisions of the patent administration department of the State Council. ? The specification of an application for a patent for utility model shall have drawings showing the shape, structure or combination of the product to be protected.
Detailed Rules for the Implementation of the Patent Law Article 18 Multiple drawings of an invention or utility model shall be numbered and arranged in the order of "drawings 1, drawings 2, ...". Reference symbols not mentioned in the text of the description of the invention or utility model shall not appear in the attached drawings, and reference symbols not appearing in the attached drawings shall not appear in the text of the description. The reference numerals indicating the same parts in the application documents shall be consistent. The appended drawings shall not contain other notes except necessary words.