Patent and Trademark Office Database vs Patent Office

Patent and Trademark Office Database and Patent Office both are nouns.

Word	Noun	Adjective	Verb	Adverb
Patent and Trademark Office Database	Yes	No	No	No
Patent Office	Yes	No	No	No

As nouns, Patent and Trademark Office Database and Patent Office are synonyms defined as:

Patent and Trademark Office Database and Patent Office: the government bureau in the Department of Commerce that keeps a record of patents and trademarks and grants new ones

Patent and Trademark Office Database (noun)	Patent Office (noun)
the government bureau in the Department of Commerce that keeps a record of patents and trademarks and grants new ones	the government bureau in the Department of Commerce that keeps a record of patents and trademarks and grants new ones