State of New Jersey v. State of Delaware
552 U.S. 597 · Decided March 31, 2008 · 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 New Jersey v. State of Delaware was decided on March 31, 2008 by a vote of 5–3. Justice Ruth Bader Ginsburg wrote the opinion of the Court. SCDB classifies its main issue as “Boundary dispute between states” in the Interstate Relations area.
Read the opinion
Case details
- Citations
- 552 U.S. 597 · 128 S. Ct. 1410 · 170 L. Ed. 2d 315 · 2008 U.S. LEXIS 3088
- Docket number
- 134 ORIG
- Decided
- March 31, 2008
- Argued
- November 27, 2007
- Court era
- Roberts Court
- Decision type
- Opinion of the Court (orally argued)
- Outcome for petitioner
- The petitioning party did not receive a favorable disposition
- Vote
- 5–3
- Majority opinion
- Ruth Bader Ginsburg
- Opinion assigned by
- John G. Roberts Jr.
- How the case arrived
- Original jurisdiction
- Issue (SCDB)
- Boundary dispute between states
- Issue area
- Interstate Relations
- Legal provision
- Interstate compact
- Type of law
- Other
- Decision direction (SCDB)
- Unspecifiable what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice John Paul Stevens | Dissent | Wrote an opinion |
| Justice Antonin Scalia | Dissent | Wrote an opinion |
| Justice Anthony M. Kennedy | Majority | |
| Justice David H. Souter | Majority | |
| Justice Clarence Thomas | Majority | |
| Justice Ruth Bader Ginsburg | Majority | Wrote an opinion |
| Chief Justice John G. Roberts Jr. | Majority | |
| Justice Samuel A. Alito Jr. | Dissent |
Did not participate: Stephen G. Breyer.
Full case caption
State of New Jersey v. State of Delaware
SCDB identifiers: case 2007-028, docket 2007-028-01.
Related decisions
Other cases on “Boundary dispute between states”
- State of New Hampshire v. State of Maine
- State of New Jersey v. State of New York
- State of New Jersey v. State of New York
- State of Louisiana v. State of Mississippi
- Louisiana v. Mississippi
- United States of America v. State of Louisiana
Cases on the same legal provision: Interstate compact
- State of Alabama v. State of North Carolina.
- Tarrant Regional Water District v. Rudolf John Herrmann
- State of Kansas v. State of Colorado
- Montana v. Wyoming
- Texas v. New Mexico
- State of Oklahoma and State of Texas v. New Mexico
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