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United States v. Leon

Significance, Further Readings


United States


Alberto Antonio Leon

Petitioner's Claim

Evidence obtained through use of a search warrant subsequently judged to be defective should be admissible in court.

Chief Lawyer for Petitioner

Rex E. Lee, U.S. Solicitor General

Chief Lawyers for Respondent

Barry Tarlow, Roger L. Cossack

Justices for the Court

Harry A. Blackmun, Warren E. Burger, Sandra Day O'Connor, Lewis F. Powell, Jr., William H. Rehnquist, Byron R. White (writing for the Court)

Justices Dissenting

William J. Brennan, Jr., Thurgood Marshall, John Paul Stevens


Washington, D.C.

Date of Decision

5 July 1984


Evidence obtained under a search warrant subsequently ruled defective may still be admissible in court.

Related Cases

  • Olmstead v. United States, 277 U.S. 438 (1928).
  • Mapp v. Ohio, 367 U.S. 643 (1961).
  • Aguilar v. Texas, 378 U.S. 108 (1964).
  • Spinelli v. United States, 393 U.S. 410 (1969).
  • Harris v. New York, 401 U.S. 222 (1971).
  • Illinois v. Gates, 462 U.S. 213 (1983).

Additional topics

Law Library - American Law and Legal InformationNotable Trials and Court Cases - 1981 to 1988