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nonproprietary
adjectives
not protected by trademark or patent or copyright
"nonproprietary products are in the public domain and anyone can produce or distribute them"
nonproprietary
antonym
proprietary
is similar to
(of drugs) not protected by trademark
"`Acetaminophen' is the generic form of the proprietary drug `Tylenol'"
generic
is similar to
(of devices and processes) not protected by patent
"unpatented inventions"
unpatented
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