unpatented

English

Etymology 1

From un- +‎ patented.

Adjective

unpatented (not comparable)

  1. Not patented.
    Synonym: nonpatented
    • 2007 October 10, Celia W. Dugger, “In Africa, Prosperity From Seeds Falls Short”, in New York Times[1]:
      Developed with financing from wealthy countries and private foundations, the New Rices for Africa, or Nericas, are unpatented and may be grown by anyone.

See also

Etymology 2

Verb

unpatented

  1. simple past and past participle of unpatent