proprietary
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"

Related terms: nonproprietary branded trademarked patented copyright
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
Similar spelling:   propriety
  proprietor
  proofreader
  proprietress
  proofread
  proprietorship
  prepared
  prepare_for
  prop_root