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Montgomery v. Louisiana

577 U.S. 190 · Decided January 25, 2016 · 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

Montgomery v. Louisiana was decided on January 25, 2016 by a vote of 6–3. The Court reversed the lower court's decision and remanded the case. Justice Anthony M. Kennedy wrote the opinion of the Court. SCDB classifies its main issue as “Retroactivity of new rights” in the Criminal Procedure area.

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Case details

Citations
577 U.S. 190 · 136 S. Ct. 718 · 193 L. Ed. 2d 599 · 2016 U.S. LEXIS 862
Docket number
14-280
Decided
January 25, 2016
Argued
October 13, 2015
Court era
Roberts Court
Decision type
Opinion of the Court (orally argued)
Disposition
Reversed and remanded
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
6–3
Majority opinion
Anthony M. Kennedy
Opinion assigned by
John G. Roberts Jr.
How the case arrived
Certiorari
Legal provision
Eighth Amendment (cruel and unusual punishment)
Type of law
Constitutional amendment
Decision direction (SCDB)
Liberal what this means

How the Justices voted

Full case caption

Montgomery v. Louisiana

SCDB identifiers: case 2015-006, docket 2015-006-01.

Other cases on “Retroactivity of new rights”

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Cases on the same legal provision: Eighth Amendment (cruel and unusual punishment)

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