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Federal Circuit Reverses District Court’s Application Of Collateral Estoppel

Federal Circuit Reverses District Court’s Application Of Collateral Estoppel

by Matthew Johnson | Apr 11, 2025 | Estoppel, Federal Circuit

By Zac Hardy and Matt Johnson – Kroy IP Holdings, LLC sued Groupon, Inc., alleging infringement of 13 claims of U.S. Patent No. 6,061,660 (“’660 patent’), which relates to incentive programs over computer networks.  Those claims were invalidated via successful...
Federal Circuit Remands Based On Inadequate Explanation

Federal Circuit Remands Based On Inadequate Explanation

by Matthew Johnson | Feb 11, 2025 | Federal Circuit, PTAB News

By Parth Matalia and Matt Johnson – Palo Alto Networks (PAN) filed a petition for inter partes review of Centripetal Networks’ patent—U.S. Patent No. 10,530,903—which is directed to a computing system for correlating packets in communication networks with a...
When Is a Published Patent Application Prior Art in an IPR?

When Is a Published Patent Application Prior Art in an IPR?

by Matthew Johnson | Jan 23, 2025 | Federal Circuit, Prior Art Issues, PTAB News, PTAB Trial Basics

By Adam J. Cook and Michael Oblon – On appeal from an inter partes review (“IPR”), the Federal Circuit held that, under pre-America Invents Act (“pre-AIA”) law, a published patent application is prior art as of its filing date as opposed to its later date of...
IPR Estoppel in Action

IPR Estoppel in Action

by Matthew Johnson | Jun 28, 2024 | District Court, Estoppel, Federal Circuit, PTAB News

By Sabrina Bellantoni and Matt Johnson – Recently, District Court Judge Thomas S. Zilly in the Western District of Washington granted Ironburg Inventions Ltd.’s (“Ironburg”) motion for inter partes review (“IPR”) estoppelpursuant to 35 U.S.C. § 315(e)(2), which...
En Banc Federal Circuit Questions Standard for Design Patent Obviousness

En Banc Federal Circuit Questions Standard for Design Patent Obviousness

by John Evans, Ph.D. | Feb 12, 2024 | Design Patents, Federal Circuit

By Jesse Wynn and John Evans – Changes to design patent validity law may be coming thanks to LKQ v. GM, a case that we’ve been tracking since April 2021.  On February 5, 2024, in a rare en banc hearing, the Court of Appeals for the Federal Circuit asked tough...
Federal Circuit Affirms Claim Construction and How It Applies

Federal Circuit Affirms Claim Construction and How It Applies

by Matthew Johnson | Feb 8, 2024 | Claim Construction, Federal Circuit, PTAB News

By Luke Cipolla, Matt Silveira, and Matt Johnson – In Pacific Biosciences of California, Inc. v. Personal Genomics Taiwan, Inc., the Federal Circuit recently affirmed two PTAB decisions in IPRs filed by Pacific Biosciences of California, Inc. (PacBio) that...
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    The opinions expressed are those of the authors and do not necessarily reflect the views of Jones Day or its clients. The posts and information provided are for general information purposes and are not intended to be and should not be taken as legal advice.