News & Analysis as of

Pharmaceutical Patents CAFC Patent Trial and Appeal Board

Knobbe Martens

Federal Circuit Review | July 2025

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In Janssen Pharmaceuticals, Inc. v. Teva Pharmaceuticals USA, Inc., Appeal No. 25-1228, The Federal Circuit found that claims reciting a dosing regimen with unequal loading doses were not obvious and that a presumption of...more

Alston & Bird

Patent Case Summaries | Week Ending July 4, 2025

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Eye Therapies, LLC v. Slayback Pharma, LLC, No. 2023-2173 (Fed. Cir. (PTAB) June 30, 2025). Opinion by Scarsi, joined by Taranto and Stoll. Eye Therapies owns a patent that claims a method for reducing eye redness...more

MoFo Life Sciences

Is Your Claim Open or Closed? Claim Construction Takes on a New Meaning in Eye Therapies, LLC v. Slayback Pharma, LLC

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On June 30, 2025, the Federal Circuit issued a precedential decision in Eye Therapies, LLC v. Slayback Pharma, LLC, reversing the Patent Trial and Appeal Board’s (PTAB’s) claim construction of the phrase “consisting...more

Knobbe Martens

An Eye Toward Prosecution History

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EYE THERAPIES, LLC v. SLAYBACK PHARMA LLC - Before Taranto, Stoll and Scarsi (sitting by designation). The patent’s prosecution history required a restrictive interpretation of the term “consisting essentially of.”...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

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

WilmerHale

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

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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

A&O Shearman

Federal Circuit Affirms PTAB Decision On Unpatentability, With The PTO Stepping In After Appellee Withdrew

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On April 15, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) affirmed the Patent Trial and Appeal Board’s (“Board”) decision finding all challenged claims of Sage Products, LLC’s patents anticipated based on...more

Baker Donelson

A Baker's Dozen of Patent Law Developments for 2024

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The world of intellectual property law is always changing, and it can be difficult to keep up. Here are 13 developments in patent law so far in 2024 to help you stay in the know....more

Buckingham, Doolittle & Burroughs, LLC

Amgen Ratifies CAFC’s Requirement to Enable a Claim’s Full Scope

The Court’s reasoning in Amgen v. Sanofi upholds the Federal Circuit’s long-standing requirement to enable the full scope of a claimed invention. Since the Patent Act of 1790, patent law has required describing inventions...more

Jenner & Block

Client Alert: Supreme Court Affirms High Enablement Bar for Drug Patents

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On May 18, 2023, the Supreme Court affirmed the Federal Circuit’s (CAFC) decision on enablement in Amgen Inc. v. Sanofi, 987 F.3d 1080 (CA Fed. 2021). The Court thus left in place a significant decision making it more...more

Irwin IP LLP

CAFC Holds Priority Favors True Trailblazers, Not Maze-Like Paths Through a Forest of Prior Applications: Regents of the...

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The Court of Appeals for the Federal Circuit (“CAFC”) recently upheld a decision of the Patent Trial and Appeal Board (“PTAB”) that found some claims of U.S. Patent 8,815,830 (“the ’830 patent”) unpatentable as anticipated....more

Rothwell, Figg, Ernst & Manbeck, P.C.

Federal Circuit Reaffirms Obviousness Standard by Reversing PTAB in University of Strathclyde v. Clear-Vu Lighting

Earlier this month, in University of Strathclyde v. Clear-Vu Lighting LLC, the Court of Appeals for the Federal Circuit (“the CAFC”) reversed a decision by the Patent Trial and Appeal Board (“the Board”) that found claims 1-4...more

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