Federal Circuit On Combining References, PTAB Litigation Blog
In IPR2013-00057, the Board considered six claims of patent owner Belden’s U.S. Patent No. 6,074,503. That patent claimed mechanisms for producing a communication cable made up of a number of individual wire strands by running those strands through a series of dies (guides) to wrap the strands around the cable core in an neat and organized fashion. In its final written decision, the Board found claims 1-4 to be unpatentable but determined that Petitioner Berk-Tek had not made a sufficient case for claims 5 and 6. Specifically, the Board found that Berk-Tek had given no “apparent reason to combine the known elements” of the two references.
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