patent and trademark office database is a noun meaning "the government bureau in the Department of Commerce that keeps a record of patents and trademarks and grants new ones". It carries one recorded sense.
the government bureau in the Department of Commerce that keeps a record of patents and trademarks and grants new ones
Definitions, synonyms and semantic relations for patent and trademark office database come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.