Is the equipment patented?

Patent right refers to the exclusive right or exclusive right enjoyed by the inventor or his assignee according to law within a certain period of time. Patent right is an exclusive right. Once it exceeds the protection period stipulated by law, it will no longer be protected by law. ?

According to the Patent Law, if the patent application is rejected after substantive examination, the patent administrative department of the State Council shall make a decision to grant the patent right and issue a patent certificate. 199265438+February 3 1 The protection period of the invention patent applied before is fifteen years from the date of application, and the protection period of the utility model and design patent is five years from the date of application. Before the expiration, the patentee may apply for an extension of three years. After 1 993,65438+10,1,the protection period of the invention patent right is 20 years from the application date, and the protection period of the utility model and design patent right is10 year from the application date.