Katz v. United States (389 U.S. 347)

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Katz v. United States (389 U.S. 347)
by the Supreme Court of the United States

Katz v. United States, 389 U.S. 347 (1967) is a United States Supreme Court case discussing the nature of the “right to privacy” and the legal definition of a “search”. The Court’s ruling adjusted previous interpretations of the unreasonable search and seizure clause of the Fourth Amendment to count immaterial intrusion with technology as a search, overruling Olmstead v. United States and Goldman v. United States. Katz also extended Fourth Amendment protection to all areas where a person has a "reasonable expectation of privacy". Excerpted from Katz v. United States on Wikipedia, the free encyclopedia.

Court Documents
Concurring Opinions
Dissenting Opinion

United States Supreme Court

389 U.S. 347

Katz  v.  United States

 Argued: Oct. 17, 1967. --- Decided: Dec 18, 1967

Harvey A. Schneider and Burton Marks, Beverly Hills, Cal., for petitioner.

John S. Martin, Jr., Washington, D.C., for respondent.

MR. JUSTICE STEWART delivered the opinion of the Court.


This work is in the public domain in the United States because it is a work of the United States federal government (see 17 U.S.C. 105).