Tag Archives: 28 U.S.C. § 1367(a)

Ninth Circuit Holds That A Federal Court May Exercise Supplemental Jurisdiction Over a State Law Claim Even Where the Federal Claim is a Permissive Counterclaim Under Fed. R. Civ. P. 13(b)

In Zunun Aero, Inc. v. The Boeing Co., No. 24-5212 (9th Cir. Aug. 26, 2026), on a petition for panel rehearing, the Ninth Circuit holds that a federal court may exercise supplemental jurisdiction over state-law claims, under 28 U.S.C. § 1367(a), even where the federal-law claim is a permissive counterclaim under Fed. R. Civ. P.Continue reading “Ninth Circuit Holds That A Federal Court May Exercise Supplemental Jurisdiction Over a State Law Claim Even Where the Federal Claim is a Permissive Counterclaim Under Fed. R. Civ. P. 13(b)”

Second Circuit Splits from Tenth in Holding That Supplemental Jurisdiction under 28 U.S.C. § 1367(a) Requires A Separate Analysis from Intervention Under Fed. R. Civ. P. 24(a)(2)

The Second Circuit – in Hamilton Reserve Bank v. Sri Lanka, No. 24-1459-cv (2d Cir. April 10, 2025) – rejects a widely-recognized presumption that “a court necessarily possesses supplemental jurisdiction [under 28 U.S.C. § 1367(a)] over intervention claims when the requirements for intervention as of right under Fed. R. Civ. P. 24(a)(2) are met,” holdingContinue reading “Second Circuit Splits from Tenth in Holding That Supplemental Jurisdiction under 28 U.S.C. § 1367(a) Requires A Separate Analysis from Intervention Under Fed. R. Civ. P. 24(a)(2)”