State of Delaware v. State of New York
507 U.S. 490 · Decided March 30, 1993 · Supreme Court of the United States
Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.
At a glance
State of Delaware v. State of New York was decided on March 30, 1993 by a vote of 6–3. Justice Clarence Thomas wrote the opinion of the Court. SCDB classifies its main issue as “Non-real property dispute between states” in the Interstate Relations area.
Read the opinion
Case details
- Citations
- 507 U.S. 490 · 113 S. Ct. 1550 · 123 L. Ed. 2d 211 · 1993 U.S. LEXIS 2553
- Docket number
- 111 ORIG
- Decided
- March 30, 1993
- Argued
- December 9, 1992
- Court era
- Rehnquist Court
- Decision type
- Opinion of the Court (orally argued)
- Outcome for petitioner
- The petitioning party received a favorable disposition
- Vote
- 6–3
- Majority opinion
- Clarence Thomas
- Opinion assigned by
- William H. Rehnquist
- How the case arrived
- Original jurisdiction
- Issue (SCDB)
- Non-real property dispute between states
- Issue area
- Interstate Relations
- Decision direction (SCDB)
- Unspecifiable what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Byron R. White | Dissent | Wrote an opinion |
| Justice Harry A. Blackmun | Dissent | |
| Chief Justice William H. Rehnquist | Majority | |
| Justice John Paul Stevens | Dissent | |
| Justice Sandra Day O'Connor | Majority | |
| Justice Antonin Scalia | Majority | |
| Justice Anthony M. Kennedy | Majority | |
| Justice David H. Souter | Majority | |
| Justice Clarence Thomas | Majority | Wrote an opinion |
Full case caption
State of Delaware v. State of New York, et al.
SCDB identifiers: case 1992-050, docket 1992-050-01.
Related decisions
Other cases on “Non-real property dispute between states”
- State of Nebraska v. States of Wyoming and Colorado
- State of Oklahoma and State of Texas v. New Mexico
- States of Oklahoma and Texas v. State of New Mexico
- State of Kansas v. State of Colorado
- State of Nebraska v. States of Wyoming and Colorado
- State of Texas v. State of New Mexico
Same Term, same area (Interstate Relations)
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