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Patents Patent Litigation Prior Art

A&O Shearman

Overlapping Range Presumption Not Applied Given Specified Doses Administered At Specified Times

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On July 8, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the validity of a Janssen patent, finding that Teva did not meet its burden to prove obviousness. In so doing, the Federal Circuit provided...more

Morgan Lewis

A New Line Drawn: Federal Circuit Applies Prosecution History Disclaimer to Design Patents

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The US Court of Appeals for the Federal Circuit recently issued a decision that held for the first time that principles of prosecution history disclaimer apply to design patents, aligning design patent law more closely with...more

McDonnell Boehnen Hulbert & Berghoff LLP

Shockwave Medical, Inc. v. Cardiovascular Systems, Inc. (Fed. Cir. 2025)

Received wisdom is that inter partes review proceedings are limited to prior art as defined by patents and printed publications.  But in recently decided Shockwave Medical, Inc. v. Cardiovascular Systems, Inc., another prior...more

Jackson Walker

Perceptix v. Meta Platforms – A Headphone Patent Lawsuit Without a Sound Basis

Jackson Walker on

On June 30, 2025, Perceptix filed suit against Meta Platforms for infringement of U.S. Patent 8,498,439, which describes a headphone that turns on when it is worn. The ‘439 Patent is assigned to the Electronics and...more

Cooley LLP

Janssen v. Teva: Federal Circuit Upholds Claims to Pharmaceutical Dosing Regimen, Clarifies Presumption of Obviousness for...

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On July 8, the US Court of Appeals for the Federal Circuit issued a precedential opinion in Janssen Pharmaceuticals, Inc. et al. v. Teva Pharmaceuticals USA, Inc. affirming the district court’s finding that patent claims to a...more

A&O Shearman

The Federal Circuit Rejects PTAB’s Use Of Traditional Construction Of “Consisting Essentially Of”

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On June 30, 2025, the U.S. Court of Appeals for the Federal Circuit vacated a decision by the U.S. Patent Trial and Appeal Board (the “Board”) and remanded the case for further proceedings using a narrower construction of the...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Janssen Pharmaceuticals, Inc. v. Teva Pharmaceuticals USA, Inc.

Janssen Pharmaceuticals, Inc. v. Teva Pharmaceuticals USA, Inc., Appeal Nos. 2025-1228, -1252 (Fed. Cir. July 8, 2025) Our Case of the Week focuses on obviousness. More particularly, the decision included a lengthy...more

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit Holds Applicant Admitted Prior Art Cannot Form “Part of the Basis” of an IPR Ground, Reversing a PTAB Win for...

The Federal Circuit recently reversed a PTAB determination on remand that a patent was obvious over applicant admitted prior art (“AAPA”) in combination with prior art patents, holding that expressly designating AAPA as a...more

Jones Day

Physical Products Cannot Form Basis of an IPR

Jones Day on

On May 1, 2025, the Patent Trial and Appeal Board (PTAB) denied institution of inter partes review (IPR) of U.S. Patent No. 11,140,841 in the case of Aardevo North America, LLC v. Agventure B.V. The patent in question, owned...more

McDermott Will & Emery

Prosecution history primacy: “Consisting essentially of” means what applicant said it meant

McDermott Will & Emery on

In a decision that underscores the primacy of prosecution history to determine claim scope, the US Court of Appeals for the Federal Circuit reversed the Patent Trial & Appeal Board’s interpretation of the transitional phrase...more

McDonnell Boehnen Hulbert & Berghoff LLP

Eye Therapies LLC v. Slayback Pharma, LLC (Fed. Cir. 2025)

Patent law in many respects has its own language and idiosyncratic expressions, and one such respect involves so-called "transitional" words or phrases (discussed in greater depth in the Manual of Patent Examination Procedure...more

MoFo Life Sciences

A Tip for Improving Your “Improved” Jepson Claim: Include Written Description Support

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The Federal Circuit issued a precedential opinion in In re: Xencor, Inc.concerning written support for Jepson claims. The decision affirms the decision of the Appeals Review Panel (ARP) of the USPTO, which held that the...more

Baker Botts L.L.P.

Patent Obviousness in the AI Era

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The proliferation of artificial intelligence (“AI”) presents complex challenges for intellectual property, especially within patent law. In particular, the obviousness inquiry under 35 U.S.C. § 103 may be susceptible to...more

Venable LLP

Pembrolizumab Patent IPR Final Written Decision Issued and Director Review Requested

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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

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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

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

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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

In Determining Subject Matter Eligibility, the Name of the Game Is the Claim

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

McDermott Will & Emery

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

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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

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