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Patent Invalidity Patent Infringement Patents

Jones Day

All Grounds Must Be Addressed in Final Written Decision

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On July 29, 2025, Chief Administrative Patent Judge Scott R. Boalick circulated a memorandum to Members of the PTAB entitled “Final Written Decision Procedures for AIA Trial Proceedings.” ...more

Morgan Lewis

USPTO Tightens Limits on AAPA Use in IPRs Following Qualcomm Precedent

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A recent memo from the acting director of the US Patent and Trademark Office directs the Patent Trial and Appeal Board (PTAB) to reject inter partes review (IPR) petitions that use “applicant admitted prior art (AAPA), expert...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

Womble Bond Dickinson

Controversy over “Composition”: Federal Circuit Highlights Drafting Discrepancy

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In a precedential ruling that underscores the importance of consistency in claim drafting, the United States Court of Appeals for the Federal Circuit reversed a claim construction based on an improper interpretation of the...more

Irwin IP LLP

2025 Mid-Year Report - Top Ten Intellectual Property Cases Of 2025 (So Far)

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We have passed the midpoint of 2025, and the landscape of intellectual property law continues to evolve at a rapid pace, shaped by emerging technologies, and shifting judicial interpretations. From pivotal Supreme Court...more

Jones Day

Acting Director Reverses Previous Discretionary Denial

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For the first time under the bifurcated institution procedures, the Acting Director reversed her own prior discretionary denial, citing changed circumstances based on a settlement in the parallel district court litigation. ...more

K&L Gates LLP

Let’s Make it a Date–Best Method and the Filing Date of the Earliest Complete Application

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In the recent decision of NOCO Company v. Brown and Watson International Pty Ltd [2025] FCA 887, Moshinsky J has provided welcomed clarity around the relevant date by which the best method known to the applicant is to be...more

A&O Shearman

Federal Circuit Finds Claims of Selectorized Dumbbell Weight Patent Not Directed to an Abstract Idea

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On August 11, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) issued an opinion reversing the decision of the U.S. District Court for the District of Utah that found certain claims of a selectorized dumbbell...more

McDermott Will & Schulte

Specification controls: Written description must be clear

The US Court of Appeals for the Federal Circuit reversed a district court’s decision upholding patent validity, finding that the subject patent’s specification clearly established that the written description failed to...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

American Conference Institute (ACI)

[Virtual Conference] Passport to Proficiency on the Essentials of Hatch-Waxman and BPCIA - October 14th - 30th, 1:00 pm EST

ACI’s virtual Annual Passport to Proficiency on the Essentials of Hatch-Waxman and BPCIA equips early-career professionals with the legal and regulatory fluency needed to contribute meaningfully to product strategy and...more

Alston & Bird

Patent Case Summaries | Week Ending August 8, 2025

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Mondis Technology Ltd., et al. v. LG Electronics Inc., et al., Nos. 2023-2117, -2116 (Fed. Cir. (D.N.J.) Aug. 8, 2025). Opinion by Hughes, joined by Taranto and Clevenger....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

Claim construction misstep undoes injunction

The US Court of Appeals for the Federal Circuit vacated and remanded a preliminary injunction (PI), finding that the district court improperly construed a claim term based on references cited in a provisional application but...more

Jones Day

Subsequent Challenge Does Not Justify Discretionary Denial

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In a recent decision, Acting Director Coke Morgan Stewart denied a Patent Owner’s request for discretionary denial in LifeVac, LLC v. DCSTAR, Inc., IPR2025-00454. Even though Petitioner had previously challenged the same...more

A&O Shearman

UPC Ruling on amendment of counterclaims in patent revocation

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Sunstar Engineering Europe GmbH v. Ceracon GmbH, Mannheim Local Division, June 6, 2025 (UPC_CFI_745/2024) The UPC has recently clarified its strict approach to amending counterclaims for revocation in patent litigation....more

Jones Day

Acting Director Clarifies Multi-Petition Policy for Competing Constructions

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On June 25, 2025, Acting Director Coke Stewart released an informative decision vacating institution of inter partes review (“IPR”) based on two petitions that were primarily filed to present two different constructions....more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Jiaxing Super Lighting Electric Appliance, Co. Ltd. v. CH Lighting Technology Co., Ltd.

Jiaxing Super Lighting Electric Appliance, Co. Ltd. v. CH Lighting Technology Co., Ltd., Appeal No. 2023-1715 (Fed. Cir. July 28, 2025) In our Case of the Week, the Federal Circuit addressed three issues arising from a...more

Baker Botts L.L.P.

Ex Parte Reexaminations Poised to Make a Quiet Comeback: Discretionary Denial Guidance for Inter Partes Reexamination May Increase...

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Imagine this. You were just served with a Complaint for patent infringement and learn that, some years ago, your competitor was granted a patent giving them a legal monopoly to exclude others, including you, from making,...more

Alston & Bird

Patent Case Summaries | Week Ending July 25, 2025

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IGT v. Zynga Inc., No. 2023-2262 (Fed. Cir. (PTAB) July 22, 2025). Opinion by Taranto, joined by Prost and Reyna. IGT owns a patent related to secured virtual networks in gaming environments. After the patent application was...more

Patterson Belknap Webb & Tyler LLP

Nothing to See Here: Judge Engelmayer Finds Claims Directed to Interactive Mobile Advertising to be Abstract

On July 21, 2025, District Judge Paul A. Engelmayer (S.D.N.Y.) granted Defendants Teads, Inc., Teads SA, and Teads SARL’s (together, “Teads”) Motion to Dismiss Yieldmo, Inc.’s (“Yieldmo”) Amended Complaint alleging that Teads...more

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

Rise of Obviousness Double Patenting SNQs and Rejections in Reexaminations Challenging Expired Patents

Obvious-type double patenting (ODP) has historically served as a tool to prevent patent owners from extending exclusivity beyond the statutory allowed patent term and to tie patent families together during sale. Historically,...more

Jones Day

Inventor Testimony of Reduction Date Leads to Denial

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The Patent Trial and Appeal Board (PTAB) denied institution of an inter partes review (IPR) brought by Par-Kan Company, LLC against Unverferth Manufacturing Company regarding U.S. Patent No. 8,967,940 (“the ‘940 patent”). ...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

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