Antonyms of adj unpatented

1 sense of unpatented

Sense 1
unpatented -- ((of devices and processes) not protected by patent; "unpatented inventions")

INDIRECT (VIA nonproprietary) -> proprietary -- (protected by trademark or patent or copyright; made or produced or distributed by one having exclusive rights; "`Tylenol' is a proprietary drug of which `acetaminophen' is the generic form")

Similarity of adj unpatented

1 sense of unpatented

Sense 1
unpatented -- ((of devices and processes) not protected by patent; "unpatented inventions")
       => nonproprietary (vs. proprietary) -- (not protected by trademark or patent or copyright; "nonproprietary products are in the public domain and anyone can produce or distribute them")