Unpatented
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Not
patented
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
(of devices and processes) not protected by patent
Word Usage
"But so this second tier public option only provides “basic care” and “unpatented drugs”."
Equivalent
nonproprietary
suggests
unpainted
untalented