Groppi v. Wisconsin

400 U.S. 505 · Decided January 25, 1971 · Supreme Court of the United States

At a glance

Groppi v. Wisconsin was decided on January 25, 1971 by a vote of 8–1. The Court vacated the lower court's decision and remanded the case. Justice Potter Stewart wrote the opinion of the Court. SCDB classifies its main issue as “Extra-legal jury influences, pretrial publicity” in the Criminal Procedure area. SCDB records that the Court declared a state or territorial law, regulation or constitutional provision unconstitutional.

Read the opinion

• CourtListener (Free Law Project) — opinion text
• Library of Congress — official U.S. Reports scan

Case details

How the Justices voted

Full case caption

Groppi v. Wisconsin

SCDB identifiers: case 1970-029, docket 1970-029-01.

Related decisions

Other cases on “Extra-legal jury influences, pretrial publicity”

• Whitney v. Florida
  389 U.S. 138Decided November 13, 19677–2Per curiam
• Murphy v. Florida
  421 U.S. 794Decided June 16, 19758–1Thurgood Marshall
• Sheppard v. Maxwell
  384 U.S. 333Decided June 6, 19668–1Tom C. Clark
• Rideau v. Louisiana
  373 U.S. 723Decided June 3, 19637–2Potter Stewart
• Gannett Co., Inc. v. Depasquale
  443 U.S. 368Decided July 2, 19795–4Potter Stewart
• Beck v. Washington
  369 U.S. 541Decided May 14, 19624–3Tom C. Clark

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Cases on the same legal provision: Sixth Amendment (other provisions)

• Witherspoon v. IllinoisLaw held unconstitutional
  391 U.S. 510Decided June 3, 19686–3Potter Stewart
• Bumper v. North Carolina
  391 U.S. 543Decided June 3, 19687–2Potter Stewart
• Parker v. Gladden
  385 U.S. 363Decided December 12, 19668–1Per curiam
• Estes v. Texas
  381 U.S. 532Decided June 7, 19655–4Tom C. Clark
• Davis v. Georgia
  429 U.S. 122Decided December 6, 19766–3Per curiam
• Duren v. MissouriAltered precedentLaw held unconstitutional
  439 U.S. 357Decided January 9, 19798–1Byron R. White

Same Term, same area (Criminal Procedure)

• Colombo v. New York
  400 U.S. 16Decided October 19, 19708–1Per curiam
• Thompson v. United States
  400 U.S. 17Decided October 26, 19707–2Per curiam
• North Carolina v. Alford
  400 U.S. 25Decided November 23, 19706–3Byron R. White
• Dutton v. Evans
  400 U.S. 74Decided December 15, 19705–4Potter Stewart
• Wyman v. James
  400 U.S. 309Decided January 12, 19716–3Harry A. Blackmun
• Procunier v. Atchley
  400 U.S. 446Decided January 19, 19719–0Potter Stewart

See all

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