Texting Patents In CBS Case Not Exhausted, Fed. Circ. Told

Law360, New York (April 14, 2014, 6:50 PM EDT) -- A patent licensing company urged the Federal Circuit last week to reverse a ruling that text-messaging patents it asserted against CBS Corp. and others are exhausted, saying that the judge relied on a flawed interpretation of patent exhaustion no court has ever used.

Helferich Patent Licensing LLC said in its appeal brief April 7 that U.S. District Judge John W. Darrah incorrectly held in August that because it had licensed its patents to mobile phone handset makers like Apple Inc. and Samsung Electronics Co. Ltd., its rights in the patents were exhausted with respect to media companies like CBS that it...

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