/ Thesaurus / P Synonyms of patent system Find synonyms for: Noun1. patent system, legal systemusage: a legal system for protecting the rights of inventorsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language