Court Says Cisco Has No Right To Sue To Invalidate A Patent That Is Being Used Against Its Customers

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Yet another unfortunate patent decision has come out of the appeals court for the federal circuit. This involves a case where certain customers of Cisco products were being sued for patent infringement by TR Labs, and part of its argument was that certain Cisco equipment resulted in the infringement by those customers. In response, Cisco filed a lawsuit in federal court, asking for a declaratory judgment that TR Labs’ patents were invalid. TR Labs hit back that it had not sued Cisco, had no intention of suing Cisco, and thus Cisco could not sue for declaratory judgment.

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Story added 4. September 2013, content source with full text you can find at link above.