Definition of "incontestability" []

• The characteristic of being incontestable. (noun)
• 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. (noun)

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• "Some courts treat incontestability as creating a rebuttable presumption of strength, but the analysis should be separate: “there is no apparent reason that the incontestable status of a mark should automatically translate into a well-known mark.”"
• "Kaplan was struck first by their strict adherence to hierarchy — what he refers to as "the incontestability of command.""
• "All the elements came together fast, owing to a factor largely missing from civilian life: the incontestability of command."