Patent is an important part of intellectual property, which is the abbreviation of patent right. It is the right granted by the state to the patent applicant for a certain period of time to enjoy the exclusive right to use and dispose of the fruits of invention and creation, which is a kind of property right and a powerful weapon to use the legal protection means to "run the race", occupy the existing market and seize the potential market. Patents include: invention patents, utility model patents and design patents.