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  2. Katz v. United States - Wikipedia

    en.wikipedia.org/wiki/Katz_v._United_States

    Katz v. United States , 389 U.S. 347 (1967), was a landmark decision of the U.S. Supreme Court in which the Court redefined what constitutes a "search" or "seizure" with regard to the Fourth Amendment to the U.S. Constitution .

  3. Reasonable expectation of privacy (United States) - Wikipedia

    en.wikipedia.org/wiki/Reasonable_expectation_of...

    The reasonable expectation of privacy is crucial in distinguishing a legitimate, reasonable police search and seizure from an unreasonable one. A "search" occurs for purposes of the Fourth Amendment when the Government violates a person's "reasonable expectation of privacy". [3] In Katz v.

  4. Third-party doctrine - Wikipedia

    en.wikipedia.org/wiki/Third-party_doctrine

    In Katz v. United States (1967), the United States Supreme Court established its reasonable expectation of privacy test, which drastically expanded the scope of what was protected by the 4th amendment to include "what [a person] seeks to preserve as private, even in an area accessible to the public." In response to Katz v.

  5. List of landmark court decisions in the United States

    en.wikipedia.org/wiki/List_of_landmark_court...

    Mancusi v. DeForte, 392 U.S. 364 (1968) The privacy rights defined in Katz extend to the workplace. Bivens v. Six Unknown Named Agents, 403 U.S. 388 (1971) Individuals may sue federal government officials who have violated their Fourth Amendment rights even though such a suit is not authorized by law. The existence of a remedy for the violation ...

  6. The Right to Privacy (article) - Wikipedia

    en.wikipedia.org/wiki/The_Right_to_Privacy_(article)

    Richards and Daniel Solove note that Warren and Brandeis popularized privacy with the article, giving credit to William Prosser for being privacy law's chief architect but calling for privacy law to "regain some of Warren and Brandeis's dynamism." [15] The Olmstead decision was later overruled in the Katz v United States (1967) court ruling. [16]

  7. Mosaic theory of the Fourth Amendment - Wikipedia

    en.wikipedia.org/wiki/Mosaic_theory_of_the...

    Mosaic theory, as a legal doctrine, remained mostly out public view until the September 11 attacks in 2001. In cases like Center for National Security Studies v. U.S. Department of Justice, Bush administration officials cited the mosaic theory before the D.C. Circuit court to argue for the blanket denial of FOIA requests in the interest of US national security.

  8. City of Ontario v. Quon - Wikipedia

    en.wikipedia.org/wiki/City_of_Ontario_v._Quon

    Ontario v. Quon, 560 U.S. 746 (2010), is a United States Supreme Court case concerning the extent to which the right to privacy applies to electronic communications in a government workplace.

  9. History of the Patriot Act - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Patriot_Act

    A heavily redacted page from a lawsuit filed by the ACLU — American Civil Liberties Union v. Ashcroft. Title V of the Patriot Act amended the ECPA's National Security Letter (NSL) provisions (18 U.S.C. § 2709). These were challenged by the ACLU, who filed a lawsuit on April 9, 2004, on behalf of an unknown party against the U.S. government. [76]