Ioannou v. New York
391 U.S. 604 · Decided June 3, 1968 · 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
Ioannou v. New York was decided on June 3, 1968 by a vote of 6–1. SCDB codes the disposition as “petition denied or appeal dismissed.” The decision was issued per curiam (an unsigned opinion of the Court). SCDB classifies its main issue as “Change in state law” in the Judicial Power area.
Read the opinion
Case details
- Citations
- 391 U.S. 604 · 88 S. Ct. 1864 · 20 L. Ed. 2d 843 · 1968 U.S. LEXIS 1483
- Docket number
- 191
- Decided
- June 3, 1968
- Court era
- Warren Court
- Decision type
- Per curiam (no oral argument)
- Disposition
- Petition denied or appeal dismissed
- Outcome for petitioner
- The petitioning party did not receive a favorable disposition
- Vote
- 6–1
- Opinion assigned by
- Earl Warren
- How the case arrived
- Rehearing or restored to calendar for reargument
- Issue (SCDB)
- Change in state law
- Issue area
- Judicial Power
- Decision direction (SCDB)
- Conservative what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Hugo L. Black | Majority | |
| Justice William O. Douglas | Dissent | Wrote an opinion |
| Chief Justice Earl Warren | Majority | |
| Justice John M. Harlan II | Special concurrence | Wrote an opinion |
| Justice William J. Brennan Jr. | Majority | |
| Justice Potter Stewart | Majority | |
| Justice Byron R. White | Majority |
Did not participate: Abe Fortas, Thurgood Marshall.
Full case caption
Ioannou v. New York et al.
SCDB identifiers: case 1967-155, docket 1967-155-01.
Related decisions
Other cases on “Change in state law”
- Case v. Nebraska
- Watts v. Seward School Board
- Bush v. Texas
- Fusari v. Steinberg
- Hill v. Printing Industries of the Gulf Coast
- Kovacs v. Brewer
Same Term, same area (Judicial Power)
- Bohannan v. Arizona ex Rel. Smith
- Umans v. United States
- Will, U.S. District Judge v. United States
- Hackin v. Arizona
- Federal Trade Commission v. Flotill Products, Inc.
- Zwickler v. Koota
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