News & Analysis as of

Inter Partes Review (IPR) Proceeding Patents Prior Art

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

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

Knobbe Martens

Finding Common Ground? — Federal Circuit Clarifies IPR Estoppel

Knobbe Martens on

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

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

Jones Day on

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

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

White & Case LLP

Federal Circuit Reinforces Standard for Prior Art Enablement in CRISPR Dispute

White & Case LLP on

On June 11, 2025, the U.S. Court of Appeals for the Federal Circuit decided Agilent Technologies, Inc. v. Synthego Corp. (No. 23-2186), addressing enablement of prior art references for disputed CRISPR-Cas9 gene-editing...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

McDermott Will & Emery

CRISPR Clarity: Enablement Is Analyzed Differently Under §§ 102 and 112

McDermott Will & Emery on

In a decision underscoring the distinct standards governing enablement under §§ 102 and 112, the US Court of Appeals for the Federal Circuit affirmed the Patent Trial & Appeal Board’s finding that a prior art reference was...more

ArentFox Schiff

Federal Circuit Narrows Scope of IPR Estoppel, Resolving District Court Split

ArentFox Schiff on

The Federal Circuit recently clarified in Ingenico Inc. v. IOENGINE, LLC that inter partes review (IPR) estoppel does not extend to physical systems described in prior art patents or printed publications....more

Alston & Bird

Intellectual Property Litigation Newsletter | June 2025

Alston & Bird on

Welcome to the Intellectual Property Litigation Newsletter, our review of decisions and trends in the intellectual property arena. In this edition, we learn that unilateral assertion is not industry standard, the IPR...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

Venable LLP

Spotlight On: Neulasta® (pegfilgrastim) / Fulphila® (pegfilgrastim-jmdb) / Udenyca® (pegfilgrastim-cbqv) / Ziextenzo®...

Venable LLP on

Pegfilgrastim 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

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

Fish & Richardson

Ingenico v. IOENGINE and the Diminishing Role of Sotera Stipulations

Fish & Richardson on

In Ingenico v. IOENGINE, No. 2023-1367 (Fed. Cir. May 7, 2025), the Federal Circuit resolved a long-standing split among District Courts in favor of petitioners regarding inter partes review (IPR) estoppel under 35 U.S.C. §...more

Venable LLP

Spotlight On: Lantus® / Lantus® SoloSTAR® (insulin glargine recombinant) / Basaglar® (insulin glargine) / Semglee® (insulin...

Venable LLP on

Insulin Glargine 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

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

Venable LLP

Spotlight On: Rituxan® (rituximab) / Truxima® (rituximab-abbs) / Ruxience® (rituximab-pvvr) / Riabni™ (rituximab-arrx) - June 2025

Venable LLP on

Rituximab 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

Jones Day

Federal Circuit: Plans for Future Activity Created a Substantial Risk of Future Infringement

Jones Day on

Restem filed a petition for inter partes review of U.S. Patent No. 9,803,176, directed to stem cells obtained from umbilical cord tissue and isolated through a two-step process to create a specific cell marker expression...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Latest Director Discretionary Denial Decision in iRhythm Provides Valuable Insights

On June 6, 2025, Acting USPTO Director Stewart issued a decision in iRhythm Tech. v. Welch Allyn, Inc., IPR2025-00363, Paper 10 (and four related IPRs), which granted Patent Owner’s request for discretionary denial. This is...more

McDermott Will & Emery

X-Ray Vision: Court Sees Through Implicit Claim Construction

The US Court of Appeals for the Federal Circuit reversed the Patent Trial & Appeal Board’s final determination that challenged patent claims were not unpatentable, finding that the Board’s decision relied on an erroneous...more

A&O Shearman

Federal Circuit Rejects PTAB’s Implicit And Incorrect Claim Construction Of “Between 1 And 10”

A&O Shearman on

On May 23, 2025, the United States Court of Appeals for the Federal Circuit (“CAFC”) issued a precedential opinion reversing a final written decision from the U.S. Patent Trial and Appeal Board (“PTAB”) finding the challenged...more

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