Koons v. United States
138 S. Ct. 1783 · Decided June 4, 2018 · 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
Koons v. United States was decided on June 4, 2018 unanimously (9–0). The Court affirmed the lower court's decision. Justice Samuel A. Alito Jr. wrote the opinion of the Court. SCDB classifies its main issue as “Statutory construction of criminal laws, sentencing guidelines” in the Criminal Procedure area.
Read the opinion
- CourtListener (Free Law Project) — opinion text
- Supreme Court of the United States — slip opinions, October Term 2017
- Supreme Court of the United States — docket 17-5716
Case details
- Citations
- 138 S. Ct. 1783 · 201 L. Ed. 2d 93 · 2018 U.S. LEXIS 3382
- Docket number
- 17-5716
- Decided
- June 4, 2018
- Argued
- March 27, 2018
- Court era
- Roberts Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Affirmed
- Outcome for petitioner
- The petitioning party did not receive a favorable disposition
- Vote
- 9–0 (unanimous)
- Majority opinion
- Samuel A. Alito Jr.
- Opinion assigned by
- John G. Roberts Jr.
- How the case arrived
- Certiorari
- Issue area
- Criminal Procedure
- Legal provision
- 18 USC 3582
- Type of law
- Infrequently litigated statute
- Decision direction (SCDB)
- Conservative what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Anthony M. Kennedy | Majority | |
| Justice Clarence Thomas | Majority | |
| Justice Ruth Bader Ginsburg | Majority | |
| Justice Stephen G. Breyer | Majority | |
| Chief Justice John G. Roberts Jr. | Majority | |
| Justice Samuel A. Alito Jr. | Majority | Wrote an opinion |
| Justice Sonia Sotomayor | Majority | |
| Justice Elena Kagan | Majority | |
| Justice Neil M. Gorsuch | Majority |
Full case caption
Koons v. United States
SCDB identifiers: case 2017-068, docket 2017-068-01.
Related decisions
Other cases on “Statutory construction of criminal laws, sentencing guidelines”
- Hughes v. United States
- Rosales-Mireles v. United States
- Chavez-Meza v. United States
- Mont v. United States
- Dean v. United States
- Beckles v. United States
Same Term, same area (Criminal Procedure)
- Dunn v. Madison
- Kernan v. Cuero
- Tharpe v. Sellers
- Class v. United States
- Marinello v. United States
- Wilson v. Sellers
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