News & Analysis as of

Inter Partes Review (IPR) Proceeding Patent Litigation Obviousness

Venable LLP

Pembrolizumab Patent IPR Final Written Decision Issued and Director Review Requested

Venable LLP on

On June 9, 2025, the Patent Trial and Appeal Board (“Board”) issued a Final Written Decision (“FWD”) in Merck’s IPR2024-00240 against The Johns Hopkins University’s (“JHU”) U.S. Patent No. 11,591,393 (“the ’393 patent”),...more

Proskauer - The Patent Playbook

Eyes Open to the Past: Federal Circuit Holds Prosecution History Is Claim Construction Evidence

The Federal Circuit’s decision in Eye Therapies, LLC v. Slayback Pharma, LLC provides further insight into the tools available for patent claim construction. The Federal Circuit had previously held that a patent’s...more

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit Clarifies that Enablement of Prior Art is a Separate (and Distinct) Inquiry from Enablement of Claims in a Patent

In an appeal from an inter partes review, the Federal Circuit recently clarified that the enablement inquiry applied to prior art references in the context of an anticipation defense differs from the enablement inquiry...more

Alston & Bird

Patent Case Summaries | Week Ending June 27, 2025

Alston & Bird on

CrowdStrike, Inc. v. GoSecure, Inc., Nos. IPR2025-00068, -00070 (June 25, 2025) (designated informative on June 26, 2025). Order by Stewart, Acting Under Secretary of Commerce for Intellectual Property and Acting Director of...more

Knobbe Martens

Finding Common Ground? — Federal Circuit Clarifies IPR Estoppel

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INGENICO INC. v. IOENGINE, LLC Before Dyk, Prost, and Hughes. Appeal from the United States District Court for the District of Delaware. IPR estoppel does not preclude reliance on public-use evidence that is substantively...more

Venable LLP

Sarepta Files Two IPRs Against Genzyme’s Patents Gene Therapy Elevidys® Allegedly Infringes

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On June 26, 2025, Sarepta Therapeutics filed IPR2025-01194, challenging as obvious claims 3-6 of Genzyme’s U.S. Patent No. 9,051,542 (“the ’542 patent), and IPR2025-01195 challenging claims 1-4, 6-7 and 11 of U.S. Patent No....more

Troutman Pepper Locke

Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast

Troutman Pepper Locke on

In this episode of the Post-Grant Podcast, Andy Zappia, Nick Gallo, and Bryan Smith explore the evolving landscape of estoppel in inter partes review (IPR) and post-grant review (PGR) proceedings at the Patent Trial and...more

Knobbe Martens

Keeping PACE With CRISPR

Knobbe Martens on

AGILENT TECHNOLOGIES, INC. v. SYNTHEGO CORP. - Before Prost, Linn, and Reyna. Appeal from the Patent Trial and Appeal Board. Obviousness does not require all claimed limitations to be expressly disclosed in a primary prior...more

Jones Day

Delegated Rehearing Panel Sends Lifeline to Mercedes-Benz

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A Delegated Rehearing Panel (“DRP”) recently modified the PTAB’s construction of the claim term “workload” and remanded, giving Mercedes-Benz USA, LLC (“Petitioner”) another opportunity to challenge a processor patent....more

McDermott Will & Emery

When it comes to objective criteria of nonobviousness, nexus is looser for license evidence

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit partially reversed a decision by the Patent Trial & Appeal Board, effectively relaxing the nexus requirements for patent licenses pertaining to their usage as objective indicia...more

McDonnell Boehnen Hulbert & Berghoff LLP

MSN Laboratories Private Ltd. v. Bausch Health Ireland Ltd. (Fed. Cir. 2025)

As has been noted recently (Agilent Technologies, Inc. v. Synthego Corp.), fact-based decisions from the U.S. Patent and Trademark Office (typically from the Patent Trial and Appeal Board) are reviewed under the substantial...more

Jones Day

Federal Circuit: RPI Arguments Must First Be Raised at the PTAB

Jones Day on

Apple Inc., et. al v. Gesture Technology Partners, LLC (March 4, 2025) (Moore (Chief Judge), Prost and Stoll) (on appeal from the Patent Trial and Appeal Board) [WAIVER; OBVIOUSNESS] ....more

Alston & Bird

Patent Case Summaries | Week Ending June 20, 2025

Alston & Bird on

Ancora Technologies, Inc. v. Roku, Inc., et al., Nos. 2023-1674, -1701 (Fed. Cir. (PTAB) June 16, 2025). Per curiam opinion, before Louri, Reyna, and Hughes. Ancora owns a patent directed to restricting unauthorized use of...more

Irwin IP LLP

No Rhythm, No Review: USPTO Director Skips a Beat on IPRs. 

Irwin IP LLP on

iRhythm Technologies, Inc., v. Welch Allyn, Inc., IPR2025-00363, IPR2025-00374, IPR2025-00376, IPR2025-00377, IPR2025-00378 (P.T.A.B. June 6, 2025) - On June 6, 2025, United States Patent and Trademark Office (“USPTO”)...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Optis Cellular Technology, LLC v. Apple Inc.

Optis Cellular Technology, LLC v. Apple Inc., Appeal Nos. 2022-1904, -1925 (Fed. Cir. June 16, 2025) In this week’s Case of the Week, the Court of Appeals for the Federal Circuit vacated a jury decision awarding...more

A&O Shearman

Federal Circuit Clarifies Nexus Standard For Secondary Consideration Licensing Evidence

A&O Shearman on

On June 16, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) vacated and remanded two final written decisions by the Patent Trial and Appeal Board (“PTAB”) that found several claims of Ancora Technologies,...more

McDonnell Boehnen Hulbert & Berghoff LLP

Edwards Lifesciences Corp. v. Cardiovalve Ltd. (Fed. Cir. 2025)

One of the assumptions, or promises, or hopes, attendant on the inauguration of post-grant review proceedings (particularly inter partes reviews) under the Leahy-Smith America Invents Act was that, as in European Opposition...more

Volpe Koenig

“Settled Expectations” as the New Gatekeeper for PTAB Discretionary Denials: Why Late-Stage IPRs Are Getting Harder to File

Volpe Koenig on

When Acting USPTO Director Coke Morgan Stewart denied institution in Dabico v. AXA Power IPR2025-00408  Paper 21, much of the commentary focused on the result....more

A&O Shearman

Federal Circuit Affirms Patent Trial And Appeal Board Decision, Finding Claims Of Patents Covering CRISPR Guide RNA Technology As...

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On June 11, 2025, the United States Court of Appeals for the Federal Circuit affirmed the Patent Trial and Appeal Board (PTAB) decision invalidating two patents owned by Agilent Technologies. The patents at issue, U.S. Patent...more

Venable LLP

Spotlight On: Enbrel® (etanercept) / Erelzi® (etanercept-szzs) / Eticovo® (etanercept-ykro) - June 2025

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Etanercept Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

WilmerHale

Federal Circuit Patent Watch: An Enabling Anticipatory Prior Art Reference Need Only Enable a Single Embodiment of the Claim

WilmerHale on

Precedential and Key Federal Circuit Opinions - ALNYLAM PHARMACEUTICALS, INC. v. MODERNA, INC. [OPINION] (2023-2357, 06/04/2025) (Taranto, Chen, Hughes) - Taranto, J. The Court affirmed the district court’s claim...more

McDonnell Boehnen Hulbert & Berghoff LLP

Agilent Technologies, Inc. v. Synthego Corp. (Fed. Cir. 2025)

An argument could be made that one of the most significant Supreme Court decisions in U.S. patent law in the last thirty years was Dickinson v. Zurko.  In that case the Court held that the Federal Circuit was bound by the...more

Proskauer - The Patent Playbook

Discretionary Denials in Action: iRhythm Technologies Inc. v. Welch Allyn Inc.

The U.S. Patent and Trademark Office (“USPTO”) Acting Director’s recent decision to deny institution of inter partes review (“IPR”) in iRhythm Technologies Inc. v. Welch Allyn Inc. offers valuable lessons for both patent...more

Irwin IP LLP

Seeing Double?  Similar Claim Terms Could Be Trouble  

Irwin IP LLP on

When prosecuting a patent with similar language across various claims make sure your claim terms have different meanings, otherwise, during litigation you may lose the strategic opportunity to keep some claims valid if others...more

Volpe Koenig

When an IDS Comes Back to Haunt You: Lessons from iRhythm v. Welch Allyn

Volpe Koenig on

Patent attorneys are well-versed in the function of the Information Disclosure Statement (IDS) during prosecution. We understand that listing prior art in an IDS satisfies the duty of candor, helps insulate patents from...more

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