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Preferred term

reasonable expectation of privacy  

Definition

  • Reasonable expectation of privacy is a core concept in Fourth Amendment law that often determines whether a person has a privacy interest in a certain location, whether there has been a Fourth Amendment violation, or whether there has even been a search in the first place. Justice John Marshall Harlan II coined the phrase in his concurring opinion in the wiretapping case Katz v. United States (1967). [Source: Encyclopedia of the Fourth Amendment; Reasonable Expectation of Privacy]

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https://concepts.sagepub.com/social-science/concept/reasonable_expectation_of_privacy

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