News & Insights
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Firm News March 13, 2026
Gibson Dunn Secures Trial Victory for Five Hospitals Against Leapfrog Group
A Gibson Dunn team recently secured a sweeping bench-trial victory for five South Florida hospitals in a case against The Leapfrog Group, the nonprofit organization that publishes widely distributed A–F “Hospital Safety Grades.”
Client Alert January 20, 2026
Supreme Court Holds That State Expert-Affidavit Requirements For Medical Malpractice Claims Do Not Apply In Federal Court
The Supreme Court held that a Delaware statute—requiring that a medical malpractice complaint be accompanied by an expert affidavit—conflicts with the Federal Rules of Civil Procedure and therefore does not apply to suits in federal court.
In the Media July 2, 2025
Gibson Dunn’s Supreme Court Immigration Win Highlighted by The Texas Lawbook
The Texas Lawbook has featured a Gibson Dunn team’s partial victory in the U.S. Supreme Court in a significant immigration case.
Client Alert April 17, 2025
Supreme Court Holds That ERISA Plaintiffs Need Not Plead Around Affirmative Defenses, But Confirms That District Courts Have Tools To Weed Out Meritless Litigation
The Supreme Court unanimously held that plaintiffs bringing a prohibited-transaction claim under ERISA Section 406(a)(1)(C) need only allege, in their complaints, the elements set forth in that provision—they need not negate the affirmative defenses set forth in ERISA Section 408. The Court also emphasized that district courts have a variety of other means to screen out insubstantial claims at the pleading stage.
Client Alert June 18, 2024
Annual ERISA Litigation Review and Outlook – 2024
Gibson Dunn's ERISA litigation update summarizes key legal opinions and developments during the past year to assist plan sponsors and administrators navigating the rapidly changing ERISA litigation landscape.
Client Alert April 12, 2024
Supreme Court Holds That Pure Omissions Cannot Support A Cause Of Action Under Rule 10b-5(b)
Today, the Supreme Court unanimously held that a company’s failure to disclose information required under SEC regulations—such as Item 303 of Regulation S-K—cannot support a private securities-fraud claim unless the omission makes the company’s affirmative statements misleading.
Client Alert April 12, 2024
Supreme Court Holds That Legislatively Mandated Development Exactions Can Be Unconstitutional Takings
Today, the Supreme Court held unanimously that land-development permit exactions subject to the Takings Clause must bear an essential nexus and rough proportionality to the expected impacts of the development, even if the exaction is imposed pursuant to legislation.
Client Alert June 29, 2023
Supreme Court Holds That U.S. Trademark Infringement Claims Must Be Based On Domestic Use In Commerce
The Supreme Court held that trademark infringement claims under the Lanham Act apply only where the claimed infringing “use in commerce” occurs in the United States. Our lawyers discuss this case.