prepatent

[ pat-nt or for 10, 12–15, peyt-; especially British peyt-nt ]SEE DEFINITION OF prepatent
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

late 14c., "open letter or document from some authority," shortened form of Anglo-French lettre patent (also in Medieval Latin (litteræ) patentes), literally "open letter" (late 13c.), from Old French patente (see patent (adj.).

Meaning "a license covering an invention" is from 1580s.

MORE RELATED WORDS FOR PREPATENT

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.