Legal analysis: The process of trademark patent application is: confirm the type of patent applied for, search for similar patents can be carried out independently, or you can entrust an agency to conduct a more comprehensive search, prepare application documents and submit them to the application step . An invention patent application shall be subject to confidentiality review before preliminary examination. If the application needs to be kept confidential, it shall be handled in accordance with confidentiality procedures.

Legal basis: Article 26 of the "Patent Law of the People's Republic of China":

When applying for an invention or utility model patent, a request, description and Documents such as abstract and claims. 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.