'Patent right' definitions:

Definition of 'patent right'

noun

The right granted by a patent; especially the exclusive right to an invention

From: GCIDE

Patent \Pat"ent\ (p[a^]t"ent or p[=a]t"ent), a. [L. patens, -entis, p. pr. of patere to be open: cf. F. patent. Cf. Fathom.] 1.
Note: (Oftener pronounced p[=a]t"ent in this sense) Open; expanded; evident; apparent; unconcealed; manifest; public; conspicuous. [1913 Webster]
He had received instructions, both patent and secret. --Motley. [1913 Webster]
2. Open to public perusal; -- said of a document conferring some right or privilege; as, letters patent. See {Letters patent}, under 3d Letter. [1913 Webster]
3. Appropriated or protected by letters patent; secured by official authority to the exclusive possession, control, and disposal of some person or party; patented; as, a patent right; patent medicines. [1913 Webster]
Madder . . . in King Charles the First's time, was made a patent commodity. --Mortimer. [1913 Webster]
4. (Bot.) Spreading; forming a nearly right angle with the steam or branch; as, a patent leaf. [1913 Webster]
Patent leather, a varnished or lacquered leather, used for boots and shoes, and in carriage and harness work.
Patent office, a government bureau for the examination of inventions and the granting of patents.
Patent right. (a) The exclusive right to an invention, and the control of its manufacture. (b) (Law) The right, granted by the sovereign, of exclusive control of some business of manufacture, or of the sale of certain articles, or of certain offices or prerogatives.
Patent rolls, the registers, or records, of patents. [1913 Webster]