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CAFC Reverses & Remands ITC Finding of No Violation by Nokia in CDMA Patent Case

The Court of Appeals for the Federal Circuit reversed and remanded the International Trade Commission’s determination of no violation of section 337 in a patent dispute between Nokia and InterDigital. The ITC determination in question was in the investigation of…

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certain 3G mobile handsets and components thereof (337-TA-613), instituted in 2007. CAFC said the ITC misinterpreted two key claim terms when finding that Nokia’s products do not infringe InterDigital’s patents. The inventions in question operate within a system that uses Code Division Multiple Access (“CDMA”) to allow multiple cellphones (referred to as “subscriber units”) within a certain geographical area to use the same portion of the radio frequency spectrum simultaneously. Judge Newman wrote a dissenting opinion.