Invention patent: An invention patent is a new technical proposal for a product, method or its improvement. Invention patents include product inventions and method inventions. Invention patents require high technical creativity. More important core technologies can apply for invention patents, and the protection period of invention patents is 20 years.
Appearance patent: Appearance design refers to a new design that is aesthetically pleasing and suitable for industrial application based on the shape, pattern or combination of colors, shapes and patterns of products. The protection period of a design patent is 10 year from the date of application.
Patent for utility model: A patent for utility model is a new technical scheme for the shape, structure or combination of products. Compared with the invention, the utility model has low requirements for technical creativity, and is generally authorized within 7- 14 months, without searching and comparison, and the protection period is 10 year. ?