patent
Patent, that is, the short name of the patent, mainly divided into invention, utility model and industrial design of three types. The purpose of the government is to encourage the people to engage in inventions and to protect the rights of the inventors (or their transferees or heirs) and to direct the patentee and the public to use the invention in a lawful and appropriate manner to promote industrial development. The patent system is an exclusive right (which is not exclusive) that allows the patentee to enjoy the patented technology within the statutory period (for example, 20 years), so that it enjoys a commercial privileged interest to encourage it to share knowledge publicly. When the patent law expires, the patent right is destroyed, the public can according to the patent specification to disclose the content, free use of its patented technology. ...