United States v. Maine

471 U.S. 375 · Decided April 29, 1985 · Supreme Court of the United States

At a glance

United States v. Maine was decided on April 29, 1985 unanimously (9–0). SCDB classifies its main issue as “Federal-state ownership dispute” in the Federalism area.

Read the opinion

• CourtListener (Free Law Project) — opinion text
• Library of Congress — official U.S. Reports scan

Case details

How the Justices voted

Full case caption

United States v. Maine et al. (Rhode Island and New York Boundary Case)

SCDB identifiers: case 1984-089, docket 1984-089-01.

Related decisions

Other cases on “Federal-state ownership dispute”

• United States v. Maine
  475 U.S. 89Decided February 25, 19868–0John Paul Stevens
• Utah Division of State Lands v. United States
  482 U.S. 193Decided June 8, 19875–4Sandra Day O'Connor
• California ex Rel. State Lands Commission v. United States
  459 U.S. 1Decided October 18, 19829–0
• United States v. Louisiana
  456 U.S. 865Decided June 1, 19828–0
• United States v. Maine
  452 U.S. 429Decided June 15, 19818–0
• United States v. California
  449 U.S. 408Decided January 19, 19818–0

See all

Same Term, same area (Federalism)

• Lawrence County v. Lead-Deadwood School District No. 40-1Law held unconstitutional
  469 U.S. 256Decided January 9, 19857–2Byron R. White
• United States v. Maine
  469 U.S. 504Decided February 19, 19859–0Harry A. Blackmun
• United States v. Louisiana
  470 U.S. 93Decided February 26, 19858–0Harry A. Blackmun
• Bennett v. New Jersey
  470 U.S. 632Decided March 19, 19856–2Sandra Day O'Connor
• Bennett v. Kentucky Department of Education
  470 U.S. 656Decided March 19, 19858–0Sandra Day O'Connor
• Allis-Chalmers Corp. v. Lueck
  471 U.S. 202Decided April 16, 19858–0Harry A. Blackmun

See all

Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error