Katzenbach, Acting Attorney General, et al. v. McClung et al.

Decided December 14, 1964. Tom C. Clark delivered the opinion of the Court.

Docket 543 · 379 U.S. 294 (1964) · Cited 635 times

We don’t yet publish a summary of this opinion — read the official text below for the Court’s holding and reasoning.

How the Justices voted

Decided 9–0.

“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.

• Wickard v. Filburn · 317 U.S. 111 (1942)
• United States v. Darby · 312 U.S. 100 (1941)
• Consolidated Edison Co. v. National Labor Relations Board · 305 U.S. 197 (1938)
• Gibbons v. Ogden · 22 U.S. 1 (1824)
• Civil Rights Cases · 109 U.S. 3 (1883)
• United States v. Carolene Products Co. · 304 U.S. 144 (1938)
• United States v. Wrightwood Dairy Co. · 315 U.S. 110 (1942)
• Polish National Alliance of the United States v. National Labor Relations Board · 322 U.S. 643 (1944)

Cited by

Later Supreme Court opinions in our collection that cite this case.

• United States v. Lopez · 514 U.S. 549 (1995)
• United States v. Morrison · 529 U.S. 598 (2000)
• Hodel v. Virginia Surface Mining & Reclamation Assn., Inc. · 452 U.S. 264 (1981)
• Gonzales v. Raich · 545 U.S. 1 (2005)
• Perez v. United States · 402 U.S. 146 (1971)
• Maryland v. Wirtz · 392 U.S. 183 (1968)
• National Federation of Independent Business v. Sebelius · 567 U.S. 519 (2012)
• South Carolina v. Katzenbach · 383 U.S. 301 (1966)
• Hodel v. Indiana · 452 U.S. 314 (1981)
• Newman v. Piggie Park Enterprises, Inc. · 390 U.S. 400 (1968)
• National League of Cities v. Usery · 426 U.S. 833 (1976)
• Fullilove v. Klutznick · 448 U.S. 448 (1980)
• Katzenbach v. Morgan · 384 U.S. 641 (1966)
• United States v. Guest · 383 U.S. 745 (1966)
• Daniel v. Paul · 395 U.S. 298 (1969)
• 303 Creative LLC v. Elenis · 600 U.S. 570 (2023)
• Shapiro v. Thompson · 394 U.S. 618 (1969)
• Iannelli v. United States · 420 U.S. 770 (1975)
• United Brotherhood of Carpenters & Joiners of America, Local 610 v. Scott · 463 U.S. 825 (1983)
• New York v. United States · 505 U.S. 144 (1992)
• Jones v. Alfred H. Mayer Co. · 392 U.S. 409 (1968)
• Perez v. Ledesma · 401 U.S. 82 (1971)
• South Dakota v. Dole · 483 U.S. 203 (1987)
• Pennsylvania v. Union Gas Co. · 491 U.S. 1 (1989)
• Oregon v. Mitchell · 400 U.S. 112 (1970)
• Walters v. National Assn. of Radiation Survivors · 473 U.S. 305 (1985)
• Citizens Bank v. Alafabco, Inc. · 539 U.S. 52 (2003)
• Gulf Oil Corp. v. Copp Paving Co. · 419 U.S. 186 (1974)
• Camps Newfound/Owatonna, Inc. v. Town of Harrison · 520 U.S. 564 (1997)
• Chemehuevi Tribe of Indians v. Federal Power Commission · 420 U.S. 395 (1975)

Official text

Read the official opinion (U.S. Reports, govinfo.gov)

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Source: the U.S. Reports via govinfo.gov; authoring Justice and vote lineup from the Supreme Court Database (Washington University). 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).