/ Dictionary / Index P patent right: Meaning and Definition of Find definitions for: pat'ent right" Pronunciation: [key] the exclusive right granted by a patent, as on an invention. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. patentor patent slip Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language