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Claim Construction Intellectual Property Litigation

McDermott Will & Emery

Transatlantic Terminology: Skilled Artisan Could Equate UK, US Word Meanings

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The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board unpatentability determination, finding that a skilled artisan would have found the term “sterile” in a UK publication to mean the same as...more

Knobbe Martens

No Error: The Board Committed No Procedural Error by Relying on Evidence Outside of the Prior Art Reference

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SAGE PRODUCTS, LLC v. STEWART [OPINION] - Before Reyna, Cunningham, and Stark. Appeal from the United States Patent and Trademark Office, Patent Trial and Appeal Board. The Board did not abuse its discretion by relying on...more

McDonnell Boehnen Hulbert & Berghoff LLP

Sage Products, LLC v. Stewart (Fed. Cir. 2025)

When a prevailing challenger withdraws from an appeal in post-grant proceedings, the Director can intervene under 35 U.S.C. § 143, which is what happened in an appeal in Sage Products, LLC v. Stewart after Challenger Becton...more

Venable LLP

Spotlight On: Prolia® / Xgeva® (denosumab) / Jubbonti® / Wyost® (denosumab-bbdz) / Ospomyv™ / Xbryk™ (denosumab-dssb) / Stoboclo®...

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Denosumab Challenged Claim Types in Litigation: Claims are counted in each litigation, so claims from the same patent challenged in multiple litigations are counted more than once. Within each litigation a claim is counted...more

Jones Day

Expert Testimony Supporting POPR Can Be An Effective Strategy

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It is relatively uncommon for parties to submit expert declarations in the preliminary-response phase of an IPR proceeding, but recently the Patent Owner in Imperative Care, Inc. v. Inari Medical, Inc. effectively used that...more

Alston & Bird

Intellectual Property Litigation Newsletter | April 2025

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Welcome to the Intellectual Property Litigation Newsletter, our review of decisions and trends in the intellectual property arena. In this edition, we learn that written description is required for a preamble, labor or...more

Sheppard Mullin Richter & Hampton LLP

2024 Federal Circuit Case Summaries - Intellectual Property: Year End Report

We are excited to present the second edition of Sheppard Mullin’s “Year in Review” report, which provides a comprehensive summary of the key precedential Federal Circuit decisions related to patent law in 2024. Building on...more

Patterson Belknap Webb & Tyler LLP

“Not That Kind of Memory Storage – Judge Oetken Grants Samsung’s Motion for Summary Judgment of Non-Infringement”

On March 31, 2025, Judge Oetken granted summary judgment for Samsung Electronics Co., Ltd. and certain of its subsidiaries (“Samsung”) in an infringement suit brought against it by Dynamics Inc. (“Dynamics”). Dynamics Inc v....more

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

Understanding the PTAB’s Recent Informative Decision: Cambridge Mobile Telematics, Inc. v. Sfara, Inc.

The Patent Trial and Appeal Board (PTAB) recently designated its decision in Cambridge v. Sfara (IPR2024-00952) as an informative decision.[1] This designation addresses an important issue in inter partes review (IPR)...more

Baker Botts L.L.P.

First Quarter 2025 Federal Circuit Law Snapshot

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Since serving as a Federal Circuit clerk, Michael Hawes has monitored that court's precedential opinions and prepares a deeply outlined index by subject matter (invalidity, infringement, claim construction, etc.) of relevant...more

BakerHostetler

[Podcast] The Changing Landscape: Admissibility of Experts in Patent Cases

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Experts play a crucial role in patent cases. Experts opine on claim construction, infringement, invalidity and the proper amount of damages. And the exclusion of an expert witness can significantly impact the outcome of a...more

McDermott Will & Emery

Get a Grip: Not All Cords Have Handles

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The US Court of Appeals for the Federal Circuit vacated a district court’s grant of summary judgment of noninfringement because the district court improperly narrowed a claim term during its construction. IQRIS Technologies...more

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

Product-by-Process Analysis: Invalidity ≠ Infringement

On March 4, 2025, the Federal Circuit affirmed the Patent Trial and Appeal Board’s (“PTAB”) decision in Restem, LLC v. Jadi Cell, LLC, No. 23-2054, 2025 WL 679195, at *1 (Fed. Cir. Mar. 4, 2025), finding that the patent...more

Goodwin

Federal Circuit Affirms Denial of Injunction Against Amgen in Aflibercept BPCIA Litigation

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On March 14, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the District Court for the Northern District of West Virginia’s denial of a preliminary injunction against Amgen Inc. (“Amgen”) in the ongoing...more

McDonnell Boehnen Hulbert & Berghoff LLP

DNA Genotek Inc. v. Spectrum Solutions LLC (Fed. Cir. 2025)

Sometimes important contributions to innovation can come from the mundane rather than the extraordinary. One (perhaps apocryphal) example comes from the story of the early development of television by Philo Farnsworth (the...more

Akin Gump Strauss Hauer & Feld LLP

District Court: Incorporation by Reference for Purposes of Anticipation Requires More than a Parenthetical

In a series of rulings on a motion in limine, the District of Delaware recently distinguished between what qualifies as being incorporated by reference and what does not for the purposes of an anticipation defense. In short,...more

Fish & Richardson

Texas Round-Up: February 2025

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This post summarizes some of the significant developments from the Texas District Courts for the month of February 2025....more

McDonnell Boehnen Hulbert & Berghoff LLP

Regeneron Pharmaceuticals, Inc. v. Mylan Pharmaceuticals Inc. (Fed. Cir. 2025)

Completing a recent jurisprudential "hat trick,"* the Federal Circuit affirmed a District Court grant of a preliminary injunction against a biosimilar applicant for Regeneron's EYLEA biologic drug in Regeneron...more

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

Reexamination of Expired Patents

Takeaways - - Expired patents may be eligible for reexamination. - Owner’s options during reexamination of an expired patent are severely limited. Similar to reexamination practice, which has long allowed reexamination...more

Smart & Biggar

Avoiding a finding of ambiguity and ensuring patent validity: the importance of a comprehensive disclosure and defining coined...

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On June 7, 2024, the Federal Court issued its Judgment and Reasons in Tekna Plasma Systems Inc v AP&C Advanced Powders & Coatings Inc ( 2024 FC 871), finding all claims of the Defendant’s Canadian Patent No 3,003,502 (502...more

Baker Botts L.L.P.

The Impact of Prosecution Length on Invalidity Outcomes in Patent Litigation

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This Article analyzes over 89,000 patents litigated over a twenty-year period to determine how the number of office actions to allowance during prosecution impacts rates of invalidity during subsequent litigation. Many...more

Vorys, Sater, Seymour and Pease LLP

The Precedent: Federal Circuit Sidesteps Ruling on the Reverse Doctrine of Equivalents Theory in Steuben Foods Inc. v. Shibuya...

In this edition of The Precedent, we outline the decision in Steuben Foods Inc. v. Shibuya Hoppmann Corp. This case addresses whether the reverse doctrine of equivalents (RDOE) is a viable defense to patent infringement....more

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

2024 Federal Circuit IP Appeals: Summaries of Key 2024 Decisions

2024 brought exciting developments at the Federal Circuit. The court issued its first en banc decision in a patent case in five years in LKQ, which significantly altered the standard for proving obviousness of a design...more

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit: Written Description and Enablement Depend on What a Patent 'Claims,' Not What the Claims Cover

The Federal Circuit recently reversed a district court decision that found a patent that did not describe after-arising technology failed to satisfy the written description requirement. In so doing, the Federal Circuit...more

Knobbe Martens

Every Word Counts: Specification Naming Conventions Can Limit Claim Scope

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A patent’s specification established a naming convention that applied to terms in the patent’s claims. Microchip Technology filed an IPR, arguing all claims of HD Silicon Solutions’ patent were invalid. The challenged patent...more

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