/ Thesaurus / P Synonyms of patent office Find synonyms for: Noun1. Patent and Trademark Office Database, Patent Office, agency, federal agency, government agency, bureau, office, authorityusage: the government bureau in the Department of Commerce that keeps a record of patents and trademarks and grants new onesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language