proprietary vs trademarked

proprietary is a noun but trademarked is not a noun.

Word	Noun	Adjective	Verb	Adverb
proprietary	Yes	Yes	No	No
trademarked	No	Yes	No	No

proprietary (noun)	trademarked (noun)
an unincorporated business owned by a single person who is responsible for its liabilities and entitled to its profits

proprietary (adjective)	trademarked (adjective)
protected by trademark or patent or copyright; made or produced or distributed by one having exclusive rights	(of goods and merchandise) labeled with proprietary (and legally registered) identification guaranteeing exclusive use