Article 26 of the Patent Law of the People's Republic of China states that anyone who applies for a patent for invention or utility model shall submit a request, a description and its abstract, claims and other documents. The request shall state the title of the invention or utility model, the name of the inventor, the name and address of the applicant, and other matters. The description shall give a clear and complete description of the invention or utility model, which can be realized by a person skilled in the technical field; When necessary, drawings shall be attached. The abstract shall briefly describe the technical essentials of the invention or utility model. The claims shall, on the basis of the specification, clearly and briefly define the scope of patent protection claimed.
 Legal basis:
 Article 26 of the Patent Law of the People's Republic of China, where an application for a patent for invention or utility model is filed, a request, a description and its abstract, claims and other documents shall be submitted. The request shall state the title of the invention or utility model, the name of the inventor, the name and address of the applicant, and other matters. The description shall give a clear and complete description of the invention or utility model, which can be realized by a person skilled in the technical field; When necessary, drawings shall be attached. The abstract shall briefly describe the technical essentials of the invention or utility model. The claims shall, on the basis of the specification, clearly and briefly define the scope of patent protection claimed.