Design patent refers to the shape, pattern or combination of the product, and the combination of color and shape and pattern, which is a new design which is aesthetic and suitable for industrial application.

The utility model relates to a new technical proposal which is suitable for practical use in the shape, structure or combination of a product, also called a small invention or a small patent. The technical scheme is lower than the invention patent at the technical level.

The invention creation of a functional patent must have some function or practical value. The protection period of invention patents shall be twenty years from the date of application, third or eleven years from the date of registration and seven and a half years respectively.