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Greer v. United States

141 S. Ct. 2090 · Decided June 14, 2021 · 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

Greer v. United States was decided on June 14, 2021 unanimously (9–0). The Court affirmed the lower court's decision. Justice Brett M. Kavanaugh wrote the opinion of the Court. SCDB classifies its main issue as “Retroactivity of new rights” in the Criminal Procedure area.

Read the opinion

Case details

Citations
141 S. Ct. 2090 · 210 L. Ed. 2d 121 · 2021 U.S. LEXIS 3118
Docket number
19-8709
Decided
June 14, 2021
Argued
April 20, 2021
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
Brett M. Kavanaugh
Opinion assigned by
John G. Roberts Jr.
How the case arrived
Certiorari
Legal provision
Federal Rules of Criminal Procedure
Type of law
Court rules
Decision direction (SCDB)
Conservative what this means

How the Justices voted

Full case caption

Greer v. United States

SCDB identifiers: case 2020-067, docket 2020-067-01.

Other cases on “Retroactivity of new rights”

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Cases on the same legal provision: Federal Rules of Criminal Procedure

Same Term, same area (Criminal Procedure)

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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