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Appeals Patents Appellate Courts

McDermott Will & Schulte

Claims barred by laches: Prosecution delay doesn’t pay, nor does skipping evidence of concrete injury

The US Court of Appeals for the Federal Circuit affirmed a district court’s judgment for the US Patent & Trademark Office (PTO) on application of prosecution laches in an action under 35 USC § 145. The Federal Circuit also...more

Morrison & Foerster LLP

Federal Circuit Pushes Back on Prosecution Laches

In October 2023, we reported on the district court decision in Sonos, Inc. v. Google LLC. The decision was notable for reviving the prosecution laches doctrine to render unenforceable a continuation patent filed 13 years...more

Bradley Arant Boult Cummings LLP

The Federal Circuit Calls for a Replay Allowing Sonos Another Opportunity at Google

The Federal Circuit’s recent decision in Google LLC v. Sonos, Inc. (24-1097) offers a compelling look at the evolving doctrine of prosecution laches, the written description requirement, and the practical realities of patent...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

Proskauer - The Patent Playbook

Federal Circuit Lifts § 101 Barrier on Smart Dumbbells

On August 11, 2025, the Federal Circuit reversed the District of Utah’s ruling that all but one of the claims in PowerBlock Holdings, Inc.’s U.S. Patent No. 7,578,771 were invalid under 35 U.S.C. § 101. PowerBlock Holdings,...more

Lathrop GPM

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

Lathrop GPM on

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

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

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

McDermott Will & Schulte

Collateral estoppel remains inapplicable to unchallenged IPR claims

Returning to its decision in Kroy IP, the US Court of Appeals for the Federal Circuit denied a petition for panel rehearing and rehearing en banc, leaving undisturbed its prior opinion that collateral estoppel does not apply...more

McDermott Will & Schulte

Federal Circuit lacks jurisdiction over award that doesn’t raise issue of patent law

The US Court of Appeals for the Federal Circuit determined that it lacked appellate jurisdiction over a district court judgment confirming an arbitration award stemming from a dispute over royalties paid under patent license...more

Proskauer - The Patent Playbook

PTO Defends its Recent Policy Changes Regarding Discretionary Denials

In the past few months, the U.S. Patent and Trademark Office (“PTO”) Acting Director has made substantial changes to the process for, and factors considered in, exercising discretion to deny institution of an inter partes...more

K&L Gates LLP

Estoppel Estopped?

K&L Gates LLP on

The Federal Circuit recently resolved a split among the district courts whether patent infringement defendants who bring inter partes review (IPR) challenges are estopped from raising new prior art challenges in a co-pending...more

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

Federal Circuit in EcoFactor, Inc. v. Google LLC Probes the Limits for Gatekeeping Damages Testimony

Last week, in EcoFactor, Inc. v. Google LLC, the Federal Circuit issued its first en banc decision in a utility patent case in several years. The case involves the gatekeeping function of district courts vis-à-vis expert...more

Paul Hastings LLP

Federal Circuit Clarifies the Scope of IPR Estoppel

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The Federal Circuit recently clarified the scope of statutory estoppel that applies in District Court after the PTAB issues a final written decision in a related inter partes review (IPR). Ingenico Inc. v. IOENGINE, LLC, No....more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Qualcomm Inc. v. Apple Inc.

Qualcomm Inc. v. Apple Inc., Appeal Nos. 2023-1208, -1209 (Fed. Cir. Apr. 23, 2025) - For a second time in this case, the Federal Circuit considered the proper role of “Applicant Admitted Prior Art” in an inter partes...more

Sheppard Mullin Richter & Hampton LLP

Federal Circuit Vacates Summary Judgement: Limitations from Specifications Should Not Have Been Imported Into the Claims

The Federal Circuit vacated and remanded the district court’s summary judgement of noninfringement, finding that the lower court had improperly construed the claim term “pull cord.” The district court had erroneously limited...more

McDermott Will & Schulte

High Burden Dooms Intra-District Transfer Request

The US Court of Appeals for the Federal Circuit denied a mandamus petition requesting transfer from the Marshall division to the Sherman division within the US District Court for the Eastern District of Texas, finding that...more

Jones Day

Federal Circuit Reverses District Court’s Application Of Collateral Estoppel

Jones Day on

Kroy IP Holdings, LLC sued Groupon, Inc., alleging infringement of 13 claims of U.S. Patent No. 6,061,660 (“’660 patent’), which relates to incentive programs over computer networks. Those claims were invalidated via...more

A&O Shearman

Federal Circuit Clarifies Requirements For A Prior Art Reference’s Entitlement To The Filing Date Of A Provisional Application To...

A&O Shearman on

On March 24, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) issued an opinion vacating and remanding a decision of the U.S. Patent Trial and Appeal Board (the “Board”) that a published patent application...more

Knobbe Martens

Argument Forfeited When Raised for the First Time Fourteen Months After an Appeal

Knobbe Martens on

ODYSSEY LOGISTICS & TECHNOLOGY CORP. v. STEWART - Before Dyk, Reyna, and Stoll.  Appeal from the United States District Court for the Eastern District of Virginia. A patent applicant forfeited its Appointments Clause...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

Knobbe Martens

IPR Standing Arguments Not Presented to the Board Are Forfeited

Knobbe Martens on

APPLE INC. v. GESTURE TECHNOLOGY PARTNERS, LLC - Before Moore, Prost, and Stoll. Appeal from the Patent Trial And Appeal Board. A patent owner forfeits its argument that an IPR petitioner lacks standing under 35 U.S.C....more

Knobbe Martens

Pulling the Cord on Unstated Claims Limitations

Knobbe Martens on

IQRIS TECHNOLOGIES LLC v. POINT BLANK ENTERPRISES, INC. Before Lourie, Linn, and Stoll. Appeal from the United States District Court for the Southern District of Florida - The district court erred in construing the term “pull...more

Sheppard Mullin Richter & Hampton LLP

Federal Circuit Touches on Appellate Standing and Prior Art Determinations in the Context of Post-Grant Review Proceedings

In CQV Co. Ltd. v. Merck Patent GmbH, the Federal Circuit addressed (1) the interaction of indemnification agreements with Article III standing for appeals of post-grant review decisions of the Patent Trial and Appeal Board;...more

McDermott Will & Schulte

An Odyssey of Timeliness: Appointments Clause Arguments Must Be Preserved

Citing forfeiture, the US Court of Appeals for the Federal Circuit upheld the dismissal of a complaint against the US Patent & Trademark Office (PTO). The complaint sought director review of a 2018 Patent Trial & Appeal Board...more

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