Nouns

(n)patent, patent of inventiona document granting an inventor sole rights to an invention
(n)patent, letters patentan official document granting a right or privilege

Verbs

(v)patentobtain a patent for“Should I patent this invention?”
(v)patentgrant rights to; grant a patent for
(v)patentmake open to sight or notice“His behavior has patented an embarrassing fact about him”

Adjectives

(s)patent(of a bodily tube or passageway) open; affording free passage“patent ductus arteriosus”
(s)apparent, evident, manifest, palpable, patent, plain, unmistakableclearly revealed to the mind or the senses or judgment“the effects of the drought are apparent to anyone who sees the parched fields”, “evident hostility”, “manifest disapproval”, “patent advantages”, “made his meaning plain”, “it is plain that he is no reactionary”, “in plain view”, “a palpable lie”