The patent application request is an important technical document in the patent application and is also the core part of the patent application document. As an intellectual property document, it has strong legal regulations and cannot be limited in time limit or format. There are strict restrictions on it. The main function of the request for patent application is to determine the scope of patent protection requested by the applicant, and is also the basis for determining whether others have infringed the patent. At the same time, technically speaking, a patent application request outlines the essential content of the technical solution of an invention or utility model. Therefore, you must be very careful when writing a patent application request and must comply with legal norms and technical requirements. Once the request for patent application is reviewed and approved, it will become legally binding.