Fed. Circ. Revives Patent Suit Against State Farm

By Bill Donahue (September 24, 2013, 3:53 PM EDT) -- The Federal Circuit ruled Tuesday that the life of an encryption patent controlled by Network Signatures Inc. hadn't been improperly extended through inequitable conduct, reviving the company's infringement case against State Farm Mutual Automobile Insurance Co.

The appeals court reversed a lower court's 2012 ruling that found an attorney for the U.S. Navy — which owns the patent and licenses it to NSI — made false representations to the patent office in 2004 when he asked the office to let him extend the patent two weeks past the deadline to do so.

The naval attorney, John Karasek, followed proper procedures for...

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