1. Home
  2. |Insights
  3. |"Improper Revival" Not A Cognizable Defense In An Action Involving The Validity Or Infringement Of A Patent

"Improper Revival" Not A Cognizable Defense In An Action Involving The Validity Or Infringement Of A Patent

Client Alert | 1 min read | 09.24.08

In Aristocrat Technologies Australia PTY Ltd. v. International Game Tech. (No. 2008-1016; Sept. 22, 2008), the Federal Circuit reverses a district court's grant of summary judgment that U.S. Patent No. 7,056,215 ("the '215 patent"), and the continuation patent that followed it, are invalid on the grounds that the U.S. Patent and Trademark Office "improperly revived" the '215 patent after it was abandoned during prosecution. The Federal Circuit holds that "improper revival" is not a cognizable defense in an action involving the validity or infringement of a patent, reasoning that the proper revival of an abandoned application is not a defense recognized by the patent statute nor is it a ground specified in the patent statute as a condition for patentability.

Insights

Client Alert | 3 min read | 04.23.24

From the Highchair to the Courtroom: Federal Circuit Serves Up Helpful Guidance on Equitable Defenses in Childproof Placemat Patent Dispute

The Federal Circuit’s recent decision in Luv n’ Care v. Laurain provides a cautionary tale for patentees. Disclosing prior art to the Patent and Trademark Office (PTO) is not enough to insulate against a finding of inequitable conduct, particularly where a patentee mischaracterizes that prior art and the PTO’s patentability determination may have differed had the patentee accurately described the prior art. Misconduct by the patentee during litigation can also lead to a finding of unclean hands that bars the patentee from relief for alleged infringement against the opposing party in that litigation....