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Prior Art Patents

Dorsey & Whitney LLP

Federal Circuit Clarifies Scope of IPR Estoppel

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In a precedential opinion entered on May 7, 2025, the United States Court of Appeals for the Federal Circuit affirmed a jury verdict invalidating claims of two patents for anticipation and obviousness over the prior art....more

K&L Gates LLP

Estoppel Estopped?

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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

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: EcoFactor, Inc. v. Google LLC

EcoFactor, Inc. v. Google LLC, Appeal No. 2023-1101 (Fed. Cir. May 21, 2025) In its first en banc decision of the year, the Federal Circuit reversed a district court’s admission of expert testimony concerning damages,...more

Jones Day

Estoppel Trumps Substance: ITC Bars Respondent’s Invalidity Grounds Raised in IPR

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Recently, an ITC Administrative Law Judge applied IPR statutory estoppel under 35 U.S.C. § 315(e)(2) in denying a Respondent’s motion for summary determination of invalidity in Certain Audio Players and Components Thereof,...more

Morrison & Foerster LLP

Discretionary Denials—Act II

On March 26, 2025, the Acting Director of the United States Patent and Trademark Office fundamentally changed how the Patent Trial and Appeal Board (“PTAB”) initially considers petitions in post grant proceedings under the...more

Sheppard Mullin Richter & Hampton LLP

Federal Circuit Provides Clarity on Use of Applicant Admitted Prior Art (“AAPA”) in IPRs

Qualcomm Incorporated v. Apple Inc., No. 23-1208 (Fed. Cir. 2025)—On April 23, 2025, the Federal Circuit reversed the Patent Trial and Appeal Board’s finding that claims of Qualcomm’s U.S. Patent No. 8,063,674 (“the ’674...more

Sheppard Mullin Richter & Hampton LLP

Is it Prior Art? Check the Provisional Application!

This Federal Circuit Opinion analyzed collateral estoppel and the extent to which the non-provisional document would benefit from the provisional application’s priority date, as it relates to Pre-AIA 35 U.S.C. § 102(e)....more

Womble Bond Dickinson

USPTO Accelerates Patent Issuance Timeline - Key Impacts for Patent Applicants and Holders

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Effective May 13, 2025, the United States Patent and Trademark Office (USPTO) will implement a significant change to its patent issuance process, substantially reducing the time between issue notification and patent issuance....more

Jones Day

Federal Circuit: Petitioner Estoppel Does Not Apply to Product Prior At Grounds

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In IOENGINE, LLC v. Ingenico Inc. (Fed. Cir. 2025), the Federal Circuit narrowed the scope of IPR estoppel under 35 U.S.C. § 315(e)(2), which precludes an IPR petitioner from asserting in court that a patent claim “is invalid...more

McDermott Will & Emery

Clickbait: Actual Scope (Not Intended Scope) Determines Broadening Reissue Analysis

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The US Court of Appeals for the Federal Circuit affirmed the Patent Trial & Appeal Board’s rejection of a proposed reissue claim for being broader than the original claim, denying the inventors’ argument that the analysis...more

WilmerHale

Federal Circuit Patent Watch: Patents That Merely Claim Applying Machine Learning to a New Field of Use Are Not Patent Eligible

WilmerHale on

Stark, J. Sage Products, LLC (“Sage”) challenged a Patent Trial and Appeal Board (“Board”) decision finding two of Sage’s patents unpatentable. After the original appellee, Becton, Dickinson and Co., withdrew, the Director of...more

Alston & Bird

Intellectual Property Litigation Newsletter | May 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 belated statements are not relevant but litigation funding...more

Sheppard Mullin Richter & Hampton LLP

A Line in the Sand: Federal Circuit Bounds IPR Estoppel in Ingenico v. IOENGINE

In a significant development for patent litigants, the Federal Circuit in Ingenico Inc. v. IOENGINE, LLC, affirmed an important limitation on the scope of IPR estoppel under 35 U.S.C. § 315(e)(2). Specifically, the court held...more

Venable LLP

Spotlight On: Actemra® (tocilizumab) / Tofidence™ (tocilizumab-bavi) / Tyenne® (tocilizumab-aazg) / Avtozma® (tocilizumab-anoh) -...

Venable LLP on

Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more

A&O Shearman

The CAFC Holds That IPR Estoppel Does Not Shield Patentees From System Prior Art

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On May 7, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) affirmed a decision by the U.S. District Court for the District of Delaware (“district court”) that found claims of two IOENGINE, LLC (“IOENGINE”)...more

Akin Gump Strauss Hauer & Feld LLP

Claim Construction Issues and Large Number of Claims Not Enough to Institute a Second Petition for Inter Partes Review

The Patent Trial and Appeal Board recently declined to institute a petition for IPR that was filed on the same day that the petitioner filed another petition challenging the same claims of the same patent. The board was not...more

BakerHostetler

[Podcast] Make It Plain: Clarity Regarding Obviousness-Type Double Patenting

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In a year defined by landmark decisions, impactful announcements and new standards, clarity in the patent world comes as a welcome relief. It arrived via a federal circuit court decision in August 2024 that settled certain...more

Morrison & Foerster LLP

The Rise of System Art: The Federal Circuit Shelters System Art From IPR Estoppel

Prior art patents and publications have long been the primary source for anticipation and obviousness assertions by defendants in IP litigation. System art—an actual system or device—is a less common source of prior art due...more

BakerHostetler

US Patents Set to Issue 33 Percent Faster from the Notification Date

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Starting May 13, the U.S. Patent and Trademark Office (USPTO) will accelerate the time between issue notification and the issue date of a patent. That is, the time frame will be cut from about three weeks to two weeks –...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

BakerHostetler

[Podcast] A New Test: Landmark Decision Overrules Framework for Design Patent Obviousness

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The legal landscape quaked, and clients and counsel continue to navigate the tremors. More than 40 years of precedent was upended in May 2024 when a federal circuit court struck down the Rosen-Durling test for assessing...more

Jones Day

PTAB Institutes IPR Despite Concurrent Ex Parte Reexamination

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In Thermaltake Technology Co., Ltd. et al v. Chien-Hao Chen et al, IPR2024-01230, Paper 12 (PTAB Feb. 19, 2025), the PTAB granted the institution of inter partes review (“IPR”) while an ex parte reexamination (“EPR”) on the...more

Alston & Bird

Patent Case Summaries | Week Ending April 25, 2025

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Qualcomm Inc. v. Apple Inc., et al., Nos. 2023-1208, -1209 (Fed. Cir. (PTAB) Apr. 23, 2025). Opinion by Reyna, joined by Lourie and Prost. Qualcomm owns a patent related to integrated circuit devices using multiple power...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

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

Federal Circuit Reaffirms “Carried Forward” Requirement for Provisional Priority in Reexams and Reissues

Requesters should make sure to double cite to non-provisional and provisional if they require a provisional filing date for prior art....more

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