Author: Thomas J. Bean

On May 25, 2011, the Court of Appeals for the Federal Circuit handed down an en banc decision in Therasense, Inc. v. Becton, Dickinson & Co., revamping the standards used for judging patentees’ inequitable conduct in patent infringement cases. Significantly, the decision raises the bar for accused infringers wishing to demonstrate the requisite intent and materiality needed to support a finding of inequitable conduct. In particular, the decision reaffirms that intent and materiality standards are to be independently applied, and establishes a “but-for” test for materiality that is satisfied only when a patent claim would not have been allowed in prosecution but-for an alleged bad act (for example, a failure to disclose certain prior art references). It is hoped that the heightened standards will reduce the incidence of unwarranted inequitable conduct claims made by accused infringers during patent litigation, and reduce the volume of marginally relevant prior art disclosures made by patentees during patent prosecution.

On April 20, 2011, the Court of Appeals for the Federal Circuit handed down an en banc decision in TiVo, Inc. v. EchoStar Corp. that outlines new rules for contempt proceedings against a new or modified product when the original product has been barred subject to a permanent injunction. The decision is significant in that the new rules lower the burden faced by the patent owners to initiate such proceedings. The decision also illustrates the importance of clarifying the scope of injunctive orders at the time of entry.