Article 26 of the Patent Law: When applying for a patent for invention or utility model, a request, description, abstract, claims and other documents shall be submitted. The request shall state the name of the invention or utility model, the name of the inventor, the name and address of the applicant, and other matters. The description shall provide a clear and complete description of the invention or utility model, which shall be subject to the ability of a person skilled in the technical field to realize it; when necessary, there shall be accompanying drawings. The abstract should briefly describe the technical key points of the invention or utility model. The claims should be based on the description and clearly and briefly define the scope of patent protection requested. For inventions and creations that rely on genetic resources, the applicant shall state the direct source and original source of the genetic resource in the patent application document; if the applicant is unable to explain the original source, the applicant shall state the reasons. According to legal regulations, it can be known that the application for an invention patent requires the submission of patent application documents, patent application fees, patent approval procedures, and then active modification and correction of patent application documents. The above is to bring you relevant knowledge about how to apply for an invention patent. If you don’t understand anything or have other questions, you can consult a lawyer.