1 patent application: in China, at present, the people's Republic of China * * and China National Intellectual Property Administration filed patent applications, and the patent right can only be obtained after being examined and approved by the people's Republic of China * * and China National Intellectual Property Administration in accordance with legal procedures. In China, there are currently three types of inventions, namely, inventions, utility models and designs. In the application stage, they are called invention patent application, utility model patent application and design patent application respectively. After being authorized, they are called invention patent, utility model patent and design patent respectively. At this time, the applicant is the patentee of the corresponding patent. 2 classification: invention patent: you can apply for an invention patent for a new technical scheme proposed for a product or method or its improvement; Patent for utility model: you can apply for a patent for utility model for a new technical scheme that is suitable for practical use according to the shape, structure or combination of products; Patent of design: You can apply for a patent of design for a new design that is aesthetically pleasing and suitable for industrial application, aiming at the shape, pattern or their combination of products and the combination of color and shape and pattern.