News & Analysis as of

Claim Construction Appeals

A&O Shearman

Federal Circuit Affirms Patent Invalidity, Emphasizes Need For Substantive Expert Testimony

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On August 19, 2025, the U.S. Court of Appeals for the Federal Circuit issued an opinion affirming the U.S. District Court for the Eastern District of Louisiana’s grant of summary judgment that claims of Wilco Marsh Buggies &...more

Bradley Arant Boult Cummings LLP

Federal Circuit Vacates $4.7 Million Patent Infringement Verdict

The Federal Circuit recently issued a significant decision in the ongoing patent litigation between Laboratory Corporation of America Holdings (Labcorp) and Qiagen Sciences, LLC, reversing a Delaware district court’s judgment...more

Lathrop GPM

Federal Circuit Decision Highlights the Risks of Inconsistency from Provisional to Patent

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In an August 1, 2025, precedential ruling (FMC Corporation v. Sharda USA, LLC, No. 24-2335 (Fed. Cir. Aug. 1, 2025)), the U.S. Court of Appeals for the Federal Circuit vacated a temporary restraining order granted by the U.S....more

Bradley Arant Boult Cummings LLP

A Super Touchy Reversal by the Federal Circuit Gives Taction Another Bite at Apple

In a significant blow to Apple, the Federal Circuit recently vacated a summary judgment of noninfringement in the case of Taction Technology, Inc. v. Apple Inc. The dispute centers on Taction’s U.S. Patent Nos. 10,659,885 and...more

McDermott Will & Schulte

Identical or not? Jury can’t decide issues of claim construction

The US Court of Appeals for the Federal Circuit reversed a district court’s denial of a motion for judgment as a matter of law (JMOL) of noninfringement, finding that the jury’s infringement findings were unsupported by...more

Proskauer - The Patent Playbook

Federal Circuit Reverses $4.7M Verdict in Labcorp v. QIAGEN: Claim Scope and Doctrine of Equivalents in the Crosshairs

The Federal Circuit recently reversed a $4.7M verdict in a patent lawsuit involving two patents concerning next-generation sequencing methods—U.S. Patent Nos. 10,017,810 and 10,450,597. Both patents concern DNA preparation...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Laboratory Corporation of America Holdings v. Qiagen Sciences, LLC

Laboratory Corporation of America Holdings v. Qiagen Sciences, LLC, Appeal No. 2023-2350 (Fed. Cir. Aug. 13, 2025) - In our Case of the Week, the Federal Circuit reversed a jury finding of infringement from the District...more

Knobbe Martens

Deleted Specification Portions Undermine Claim Construction

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FMC Corp. v. Sharda USA, LLC - Before Moore, Chen, and Barnett. Appeal from the Eastern District of Pennsylvania. The district court erred by construing a claim term based on disclosures made in a provisional application and...more

Brownstein Hyatt Farber Schreck

Federal Circuit: Claim Construction Missteps Can Be Fatal for Preliminary Injunctions

In a decision that should make every patent litigator pause before filing for preliminary relief, the Federal Circuit has vacated a preliminary injunction in FMC Corp. v. Sharda USA, LLC, No. 2024-2335 after finding that the...more

Morgan Lewis

Federal Circuit Applies Prosecution History Estoppel Based on Claim Cancellation

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The US Court of Appeals for the Federal Circuit recently held that cancellation of a claim during prosecution may give rise to prosecution history estoppel, precluding the patentee from recapturing the surrendered subject...more

Sheppard Mullin Richter & Hampton LLP

The Push and Pull of Prosecution Estoppel: How Cancelled Claims Can Affect the Scope of Non-Amended Claims

Prosecution history estoppel may narrow the scope of a claim that was unamended during prosecution, if another closely related claim is amended or cancelled during prosecution....more

Sheppard Mullin Richter & Hampton LLP

Navigating Shockwave Medical: Applicant Admitted Prior Art, Standing, and Obviousness

This Federal Circuit opinion analyzes various key issues in patent litigation, including the role of applicant admitted prior art (“AAPA”), standing, and obviousness. Background - Shockwave Medical, Inc. (“Shockwave”)...more

Knobbe Martens

Cancellation of a Closely Related Claim During Prosecution Can Trigger Prosecution History Estoppel

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COLIBRI HEART VALVE LLC v. MEDTRONIC COREVALVE, LLC - Before Taranto, Hughes, and Stoll. Appeal from the United States District Court for the Central District of California. The Federal Circuit reversed a $106 million...more

Knobbe Martens

Not So Cozy: Prosecution History Disclaimer for Design Patents

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TOP BRAND LLC v. COZY COMFORT CO. LLC - Before Dyk, Reyna, and Stark. Appeal from the United States District Court for the District of Arizona. Summary: Arguments presented during prosecution of a design-patent application...more

Lathrop GPM

Federal Circuit Says Claim Cancellation Can Create Prosecution History Estoppel

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In a July 18 precedential decision in Colibri Heart Valve LLC v. Medtronic CoreValve LLC, the U.S. Court of Appeals for the Federal Circuit overturned a $106 million jury verdict against Medtronic for infringement of a patent...more

Alston & Bird

Patent Case Summaries | Week Ending July 18, 2025

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Shockwave Medical, Inc. v. Cardiovascular Systems, Inc., et al., Nos. 2023-1864, -1940 (Fed. Cir. (PTAB) July 14, 2025). Opinion by Dyk, joined by Lourie and Cunningham....more

McDermott Will & Schulte

Don’t get too comfy: Prosecution disclaimer also applies to design patents

Concluding that the principles of prosecution history disclaimer apply to design patents, the US Court of Appeals for the Federal Circuit reversed a district court’s denial of judgment as a matter of law and entry of a jury...more

A&O Shearman

UPC Court of Appeal clarifies approach to claim construction

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Insulet v EOFlow UPC_CoA_768/2024 (Ord_69078/2024) The Unified Patent Court (UPC) Court of Appeal has issued a significant decision that provides important guidance on the interpretation of patent claims in UPC...more

A&O Shearman

Federal Circuit Invalidates Patent For Angioplasty Catheter Based On Applicant Admitted Prior Art

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The Federal Circuit recently issued a precedential decision in Shockwave Med., Inc. v. Cardiovascular Sys., Inc. (CSI), affirming-in-part and reversing-in-part the Patent Trial and Appeal Board’s (PTAB) decision, and...more

Alston & Bird

Patent Case Summaries | Week Ending July 11, 2025

Alston & Bird on

Egenera, Inc. v. Cisco Systems, Inc., No. 2023-1428 (Fed. Cir. (D. Mass.) July 7, 2025). Opinion by Stark, joined by Prost and Taranto. Egenera owns a patent related to improved systems and methods for deploying and...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

McDermott Will & Schulte

Appeal is too late to raise percolating claim construction dispute

The US Court of Appeals for the Federal Circuit affirmed a district court’s finding of noninfringement, concluding that the patent owner had improperly raised a claim construction issue for the first time on appeal – an...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

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

Knobbe Martens

Federal Circuit Review | June 2025

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In Dolby Laboratories Licensing Corporation V. Unified Patents, LLC, Appeal No. 23-2110, the Federal Circuit held that a patent owner lacks Article III standing to appeal an inter partes review decision on patentability when...more

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