Definitions
1.nounA declaration issued by a government agency declaring someone the inventor of a new invention and having the privilege of stopping others from making, using or selling the claimed invention; a letter patent.
2.nounA specific grant of ownership of a piece of property; a land patent.
3.nounLicense; formal permission.
4.nounPatent leather: a varnished, high-gloss leather typically used for shoes and accessories.
5.verbTo successfully register an invention with a government agency; to secure a letter patent.