Customary international law provides immunity to states from the jurisdiction of foreign national courts. The immunity extends to state agencies and to state-owned property, protecting them from adjudicatory jurisdiction and from enforcement measures. Foreign sovereign immunity has important exceptions, including for waiver, for some conduct or property related to commercial activity, and for some torts committed on the territory of the forum state. In the United States, all aspects of foreign sovereign immunity for cases in state or federal court are governed by a federal statute, the Foreign Sovereign Immunities Act.
A Primer on Foreign Sovereign Immunity
The immunity of states from the jurisdiction of foreign domestic courts is a long-standing and mostly uncontroversial principle of customary international law. The International Court of Justice has described foreign sovereign immunity as a procedural doctrine of international law, one that “derives from the principle of sovereign equality of the States.” As a practical matter,…
Continue ReadingEnforcement Deadlines for Foreign Arbitral Awards and Judgments
In a recent decision, Amaplat Mauritius Ltd. v. Zimbabwe Mining Development Corp. (2025), the D.C. Circuit held that the Foreign Sovereign Immunities Act’s exceptions for implied waivers and arbitral award enforcement do not apply to proceedings to enforce foreign judgments, even when the judgment is based on an underlying arbitral award. The decision creates a…
Continue ReadingFuld’s Implications for the FSIA (and Other Federal Statutes)
In Fuld v. PLO, the U.S. Supreme Court held that “the Fifth Amendment does not impose the same jurisdictional limitations as the Fourteenth.” This means that Congress may authorize federal courts to exercise personal jurisdiction over defendants that state courts may not constitutionally reach. In Fuld, the Court upheld the constitutionality of the Promoting Security…
Continue ReadingDistrict Court Orders Argentina to Transfer Shares to Satisfy Judgments
On June 30, 2025, Judge Loretta A. Preska (Southern District of New York) issued orders in two cases, directing Argentina to transfer shares in YPF S.A., a state-owned energy company, to a New York bank to satisfy two judgments. Bainbridge Fund Ltd. v. Republic of Argentina arose from Argentina’s default on certain bonds in 2001,…
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