News & Analysis as of

Appeals Collateral Estoppel

Carlton Fields

Florida Appeals Court Decisions Week of May 26 - 30, 2025

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U.S. Eleventh Circuit Court of Appeals - Hamilton v. US Att’y Gen - immigration... Florida Supreme Court - Tallahassee - In re R Reg Fla Bar - amended rules...more

Jenner & Block

Inter Partes Review Invalidity Finding Does Not Collaterally Estopell Assertion of Unchallenged Claims in Same Patent

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In a February 10, 2025 order, the Federal Circuit Court of Appeals rejected the application of the collateral estoppel doctrine to patent claims asserted in a district court infringement action where other claims in the same...more

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit: PTAB Decision of Invalidity Cannot Estop District Court Litigation on Different Claims from the Same Patent, Even...

The Federal Circuit recently refused to apply collateral estoppel to claims of a patent asserted in district court litigation based on a Patent Trial and Appeal Board (PTAB) decision finding similar claims from the same...more

Jones Day

Federal Circuit Reverses District Court’s Application Of Collateral Estoppel

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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

Spilman Thomas & Battle, PLLC

Subcontracting Lessons on Indemnity Provisions, Consistency of Contract Terms and Estoppel From the SC Court of Appeals

The Retreat at Charleston National Country Club Home Owners Ass’n, Inc. v. Winston Carlyle Charleston National, LLC, S.C. App. Case No. 2021-001050, Opinion No. 6099 (Feb. 12, 2025) Key Takeaways: Case Summary (for those of...more

Sunstein LLP

Collateral (Patent) Damage Undone by Federal Circuit?

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In Kroy IP Holdings v. Groupon, The Federal Circuit issued a decision that should come as a comfort to patent owners, addressing the interplay between decisions of the Patent Trial and Appeal Board (“PTAB”) in inter partes...more

Carlton Fields

Florida Appeals Court Decisions Week of March 24 - 28, 2025

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U.S. Eleventh Circuit Court of Appeals  - USA v. Murat - sentencing - Johnson v. Fla DOC - Confrontation Clause, medical report - US Sugar v. US Army Corp of Eng’rs - administrative challenge, Everglades...more

Knobbe Martens

Federal Circuit Review | February 2025

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In HD Silicon Solutions LLC V. Microchip Technology Inc., Appeal No. 23-1397, the Federal Circuit held that  all but one patent claim were invalid as obvious because the claimed material, as properly construed, was disclosed...more

Hudnell Law Group

Differing Burdens of Proof Limits Estoppel Effect of PTAB Final Written Decision

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On February 10, 2025, the United States Court of Appeals for the Federal Circuit issued a decision in Kroy IP Holdings, LLC v. Groupon, Inc., reversing and remanding a district court ruling that had dismissed Kroy’s patent...more

McDermott Will & Schulte

Collateral Estoppel Doesn’t Apply to Unchallenged IPR Claims

The US Court Appeals for the Federal Circuit found that despite a Patent Trial & Appeal Board determination that certain challenged patent claims were unpatentable based on a preponderance of the evidence standard, the patent...more

WilmerHale

Federal Circuit Patent Watch: Federal Circuit Orders Remanded Case Reassigned to New Judge, Finding That Trial Judge’s Statements...

WilmerHale on

Precedential and Key Federal Circuit Opinions - HD SILICON SOLUTIONS LLC v. MICROCHIP TECHNOLOGY INC. [OPINION] (2023-1397, 2/6/2025) (Lourie, Stoll, Cunningham) - Lourie, J. The Board affirmed the Final Written...more

Fitch, Even, Tabin & Flannery LLP

Federal Circuit Clarifies Patent Claim Assertion After PTAB Unpatentability Decisions

On February 10, the Federal Circuit held in Kroy IP Holdings, LLC v. Groupon, Inc. that a final written decision of the Patent Trial and Appeal Board (PTAB) concluding that certain claims are unpatentable does not prevent the...more

Fox Rothschild LLP

Can Prior Acts Previously Adjudicated to Not Amount to Domestic Violence Be Raised in a Future Domestic Violence Proceeding?

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Sadly, it is not uncommon for parties to be “frequent flyers” in domestic violence court. Sometimes, the same party files and dismisses one or more times. Sometimes, parties settle with “civil restraints” or an Order in the...more

Fenwick & West LLP

Key Federal Circuit Patent Rulings Impacting Your Business - Recent Rulings - January 2025

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Contour IP v. GoPro: Federal Circuit Offers Insight into Alice’s Step One Analysis. In Contour IP v. GoPro, the Federal Circuit reversed a summary judgment order invalidating two of Contour IP’s patents directed to...more

McDermott Will & Schulte

Got Pillaged? Not If You Didn’t Follow the APA and FTCA

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The US Court of Appeals for the Federal Circuit affirmed a district court decision dismissing claims under the Administrative Procedure Act (APA) and Federal Tort Claims Act (FTCA) against the US Patent & Trademark Office...more

Baker Botts L.L.P.

Third Quarter 2024 Federal Circuit Law Update

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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

McDermott Will & Schulte

A New Vision: Collateral Estoppel Doesn’t Extend to Related Claims

The US Court of Appeals for the Federal Circuit reversed a district court order excluding expert validity testimony based on collateral estoppel stemming from an inter partes review (IPR) proceeding of a related patent,...more

McDermott Will & Schulte

Beware Equitable Doctrine of Issue Preclusion in Multiparty, Multivenue Patent Campaigns

Addressing for the first time whether an invalidity order merges with a voluntary dismissal for purposes of finality, the US Court of Appeals for the Federal Circuit held that an interlocutory order merges with the final...more

McDermott Will & Schulte

See Here: No Standing Based on Vague Future Plans or Adverse Priority Findings

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The US Court of Appeals for the Federal Circuit dismissed an appeal from a final written decision in an inter partes review (IPR) proceeding, finding that the petitioner lacked standing because it suffered no injury in fact....more

King & Spalding

Second Circuit Finds No Waiver of Usury Defense in Breach of Loan Agreement Case

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On September 6, 2023, the U.S. Court of Appeals for the Second Circuit vacated and remanded a district court’s decision rejecting borrower defendants’ usury defense on grounds of waiver and collateral estoppel. The lender,...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - October 2023 #2

Finjan LLC v. SonicWall, Inc., Appeal No. 2022-1048 (Fed. Cir. Oct. 13, 2023) In the Federal Circuit’s only precedential opinion this week, a majority affirmed summary judgment of non-infringement on appellant Finjan’s...more

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

PTAB Strategies and Insights Newsletter - May 2023: Beware of Collateral Estoppel at the PTAB

When thinking about estoppel and the PTAB, the § 315(e) estoppels—relating to grounds a petitioner raised or reasonably could have raised—are likely the first to come to mind. However, other types of estoppel, such as...more

McDermott Will & Schulte

Applying Collateral Estoppel in IPRs

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The US Court of Appeals for the Federal Circuit considered whether a dependent claim invalidated by collateral estoppel also invalidates its parental independent claim. Google LLC v. Hammond Devel. Int’l, Inc., Case No....more

McDermott Will & Schulte

Don’t Stand for It—Collateral Estoppel and Standing

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In a series of related cases, the US Court of Appeals for the Federal Circuit affirmed two decisions from the US District Court for the District of Delaware regarding collateral estoppel on standing issues and reversed a...more

McDermott Will & Schulte

No Second Bite at the Apple: Dismissal under Duplicative-Litigation Doctrine

The US Court of Appeals for the Federal Circuit affirmed a district court’s dismissal of a second case between the same parties and asserting the same patent under the duplicative-litigation doctrine. Arendi S.A.R.L. v. LG...more

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