United States: "At Least One Of" Revisited: Arguing SuperGuide As A Basis For Patent Validity - Volpe Koenig
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The Federal Circuit's 2004 decision in Superguide v. DirecTV can be influential in determining the fate of a patent's validity based upon a simple test: does your claim recite "OR" or does your claim recite "AND" when listing a series of elements?
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