International Primate Protection League and Its Members, et al. v. Administrators of Tulane Educational Fund et al.

Decided May 20, 1991. Thurgood Marshall delivered the opinion of the Court.

Docket 90-89 · 500 U.S. 72 (1991) · Cited 480 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 8–0.

“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.

• Will v. Michigan Department of State Police · 491 U.S. 58 (1989)
• Larson v. Domestic and Foreign Commerce Corp. · 337 U.S. 682 (1949)
• Willingham v. Morgan · 395 U.S. 402 (1969)
• Mesa v. California · 489 U.S. 121 (1989)
• Arizona v. Manypenny · 451 U.S. 232 (1981)
• Allen v. Wright · 468 U.S. 737 (1984)
• Federal Housing Administration, Region No. 4 v. Burr · 309 U.S. 242 (1940)
• United States v. Cooper Corp. · 312 U.S. 600 (1941)
• Buckley v. Valeo · 424 U.S. 1 (1976)
• United States v. Ron Pair Enterprises, Inc. · 489 U.S. 235 (1989)
• Simon v. Eastern Kentucky Welfare Rights Organization · 426 U.S. 26 (1976)
• Cannon v. University of Chicago · 441 U.S. 677 (1979)
• United Sav. Assn. of Tex. v. Timbers of Inwood Forest Associates, Ltd. · 484 U.S. 365 (1988)
• Public Citizen v. United States Department of Justice · 491 U.S. 440 (1989)
• Watt v. Alaska · 451 U.S. 259 (1981)
• United States v. Bishop · 412 U.S. 346 (1973)
• Rainwater v. United States · 356 U.S. 590 (1958)
• United States v. McNinch · 356 U.S. 595 (1958)

Cited by

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

• Federal Deposit Insurance v. Meyer · 510 U.S. 471 (1994)
• Watson v. Philip Morris Companies, Inc. · 551 U.S. 142 (2007)
• Vermont Agency of Natural Resources v. United States Ex Rel. Stevens · 529 U.S. 765 (2000)
• Morse v. Republican Party of Virginia · 517 U.S. 186 (1996)

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).