The word patent comes from Latin Litteraepatentes, which means open letters or open documents. It is a certificate used by medieval monarchs to issue certain privileges, and later refers to the exclusive right certificate signed by the British king himself. Patents are the largest source of technical information in the world. According to empirical statistical analysis, patents contain 90%-95% of the global scientific and technological information.
The abbreviation of patent right refers to the patent right enjoyed by the patentee for invention and creation, that is, the state grants the inventor or his successor the exclusive right to use his invention and creation within a certain period of time according to law, and the emphasis here is on rights. Patent right is an exclusive right with exclusivity. If a non-patentee wants to use the patented technology of others, he must obtain the authorization or permission of the patentee according to law.
Inventions and creations protected by the patent law, that is, patented technology, are proprietary technologies recognized by the state and protected by law on the basis of publicity. Patents here refer to technical methods-technologies or schemes protected by national laws. A patent is an invention protected by legal norms. An invention that submits a patent application to the national examination and approval authority and, after passing the examination according to law, grants the patent applicant the exclusive right to the invention within the time specified by the state.