incontestability
English
Etymology
From in- + contestability.
Noun
incontestability (countable and uncountable, plural incontestabilities)
- The state or quality of being incontestable.
- (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.