Koons v. United States
Decided June 4, 2018. Samuel A. Alito Jr. delivered the opinion of the Court.
Docket 17-5716 · 584 U.S. 700 (2018) · Cited 60 times
Holding
Petitioners do not qualify for sentence reductions under 18 U. S. C. §3582(c)(2) because their sentences were not “based on” their lowered Federal Sentencing Guidelines ranges but, instead, were “based on” their mandatory minimums and their substantial assistance to the Government.
The Court’s statement of the holding, from the opinion’s syllabus. The syllabus is prepared by the Reporter of Decisions and is not part of the opinion of the Court. Read the official opinion for authority.
How the Justices voted
Decided 9–0.
Majority · 9
“Concurring” means agreeing with the outcome; any split shown is the Court’s judgment, not each Justice’s reasoning. The lineup is the syllabus’s disposition of who wrote and joined each opinion. Source: the opinion’s syllabus (supremecourt.gov).
Precedents cited
Supreme Court decisions this opinion relies on, ordered by how often it cites each. Cases in our collection link through; others are named.
- Dillon v. United States · 560 U.S. 817 (2010)
- Peugh v. United States · 569 U.S. 530 (2013)
Official text
Read the official opinion (PDF, supremecourt.gov)
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Samuel A. Alito Jr.’s profile · All Supreme Court opinions · The Supreme Court
Source: Supreme Court of the United States, slip opinions (2018). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-08-15. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).