The Spectrum of Distinctiveness
In United States trademark law, Abercrombie & Fitch Co. v. Hunting World 537 F.2d 4 (2nd Cir. 1976) established the spectrum of trademark distinctiveness in the US, breaking trademarks into classes which are accorded differing degrees of protection. Courts often speak of marks falling along the following "spectrum of distinctiveness," also known within the US as the "Abercrombie classification" or "Abercrombie factors":
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