Interdigital Communications LLC v. ITC
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The domestic industry requirement of 19 U.S.C. § 1337 necessary to give make 19 U.S.C. § 1337 applicable may be satisfied by substantial licensing activities alone. Also, claim differentiation creates a strong presumption that a claim term in an independent claim is different from a similar claim term in a dependent claim unless the specification has defined the terms as equivalent or differentiation has been clearly disavowed.