| Meaning | protected by trademark or patent / patent or copyright; made or produced or distributed by one having exclusive rights. |
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| Example | "'Tylenol' is a proprietary drug of which 'acetaminophen' is the generic form" |
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| Narrower | branded | (of goods and merchandise) marked or labeled by a distinctive word or symbol indicating exclusive rights |
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| copyrighted | (of literary or musical or dramatic or artistic work) protected by copyright |
| patented | (of devices and processes) protected by patent / patent |
| trademarked | (of goods and merchandise) labeled with proprietary (and legally registered) identification guaranteeing exclusive / exclusive use |
| Opposite | nonproprietary | not protected by trademark or patent / patent or copyright |
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| Spanish | patentado |
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| Catalan | propietari |
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| Nouns | proprietor | (law) someone who owns (is legal possessor of) a business |
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