proprietary has definitions from the field of business
1
[ adjective ] protected by trademark or patent or copyright; made or produced or distributed by one having exclusive rights

Examples

"`Tylenol' is a proprietary drug of which `acetaminophen' is the generic form"

2
[ noun ] (business) an unincorporated business owned by a single person who is responsible for its liabilities and entitled to its profits

Synonyms

proprietorship

Related terms

ownership

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