Meaning

• A 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.

• A specific grant of ownership of a piece of property; a land patent.

• License; formal permission.

• Patent leather: a varnished, high-gloss leather typically used for shoes and accessories.

Meaning

• To successfully register an invention with a government agency; to secure a letter patent.