incontestability

English

Etymology

From in- +‎ contestability.

Noun

incontestability (countable and uncountable, plural incontestabilities)

  1. The state or quality of being incontestable.
  2. (law, US) The state of having been registered as a trademark for more than five consecutive years without a challenge, and therefore conclusively presumed not to cause confusion with any other trademark, and to have acquired distinctiveness.