incontestability

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

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This entry was last updated on RefTopia from its source on 3/20/2012.