Weaver v. Massachusetts

Decided June 22, 2017. Anthony McLeod Kennedy delivered the opinion of the Court.

Docket 16-240 · 582 U.S. 286 (2017) · Cited 717 times

Holding

The withheld evidence is not material under Brady.

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 7–2.

“Concurring” means agreeing with the outcome; any split shown is the Court’s judgment, not each Justice’s reasoning. Source: the Supreme Court Database (Spaeth et al.), Washington University.

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.

• Strickland v. Washington · 466 U.S. 668 (1984)
• Presley v. Georgia · 558 U.S. 209 (2010)
• Waller v. Georgia · 467 U.S. 39 (1984)
• United States v. Gonzalez-Lopez · 548 U.S. 140 (2006)
• Arizona v. Fulminante · 499 U.S. 279 (1991)
• Neder v. United States · 527 U.S. 1 (1999)
• Chapman v. California · 386 U.S. 18 (1967)
• Sullivan v. Louisiana · 508 U.S. 275 (1993)
• United States v. Cronic · 466 U.S. 648 (1984)
• Vasquez v. Hillery · 474 U.S. 254 (1986)
• Premo v. Moore · 562 U.S. 115 (2011)
• Batson v. Kentucky · 476 U.S. 79 (1986)
• Harrington v. Richter · 562 U.S. 86 (2011)
• Faretta v. California · 422 U.S. 806 (1975)
• Lockhart v. Fretwell · 506 U.S. 364 (1993)
• Tumey v. Ohio · 273 U.S. 510 (1927)
• McKaskle v. Wiggins · 465 U.S. 168 (1984)
• In Re Oliver · 333 U.S. 257 (1948)
• Richmond Newspapers, Inc. v. Virginia · 448 U.S. 555 (1980)
• Liljeberg v. Health Services Acquisition Corp. · 486 U.S. 847 (1988)
• Press-Enterprise Co. v. Superior Court of Cal., Riverside Cty. · 464 U.S. 501 (1984)
• Mickens v. Taylor · 535 U.S. 162 (2002)
• Gideon v. Wainwright · 372 U.S. 335 (1963)
• JEB v. Alabama Ex Rel. TB · 511 U.S. 127 (1994)
• Gideon v. Wainwright · 372 U.S. 335 (1963)
• J. E. B. v. Alabama ex rel. T. B. · 511 U.S. 127 (1994)

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Anthony McLeod Kennedy’s profile · All Supreme Court opinions · The Supreme Court

Source: Supreme Court of the United States, slip opinions (2017). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-03. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).