Agrant from the federal government conferring the rights to exclude others from making, selling, or using an invention for a specific period of time is referred to as a(n)

A grant from the federal government conferring the rights to exclude others from making, selling, or using an invention for a specific period of time is referred to as a patent. The patent may refer to a new process, a new device, a new product or a refinement or improvement thereof. The duration of the Patent varies according to the state where it is being processed, the item and the need for its use.