Turkiye Halk Bankasi A.S. v. United States, 598 U.S. 264 (2023), was a United States Supreme Court case in which the court held that the Foreign Sovereign Immunities Act's comprehensive scheme governing claims of sovereign immunity in civil actions against foreign states and their instrumentalities does not cover criminal cases.

[1] The case concerned the exposure of Turkish state-owned bank Halkbank to prosecution by the Department of Justice.

[2][3][4][5] After an October 2021 ruling by judges José A. Cabranes, Joseph F. Bianco, and Amalya Kearse of the United States Court of Appeals for the Second Circuit, the Supreme Court granted certiorari, asking "[w]hether U.S. district courts may exercise subject-matter jurisdiction over criminal prosecutions against foreign sovereigns and their instrumentalities under 18 U.S.C. ...

[6] The governments of Azerbaijan, Pakistan,[7] and Turkey filed amicus briefs in support of Halkbank.

Professor Chimene Keitner and Mark B. Feldman filed an amicus brief supporting the government.