incontestability

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English[edit]

Etymology[edit]

in- +‎ contestability

Noun[edit]

incontestability (countable and uncountable, plural incontestabilities)

  1. The characteristic of being incontestable.
  2. (law) In United States trademark law, 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.