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immunity

Definitions from Case Law · United States Supreme Court

Definitions from Case Law

From 322 U.S. 487 - Feldman v. United States · 1944Most cited · 496 citing opinions

self-incrimination

full and complete immunity against prosecution by the government compelling the witness to answer is equivalent to the protection furnished by the rule against compulsory self-incrimination

How the Supreme Court has restated “immunity”

1910192019301940195019601966 most cited: 322 U.S. 487 - Feldman v. United States (1944)
first stateddeparted

Each Supreme Court definition of “immunity,” sized by how often later courts cited it. “Change” is measured by wording overlap with earlier definitions — a rough signal, not a semantic judgment.

How often courts cite the cases defining “immunity”

19101920194019601980200020202030209

Court decisions citing the 3 opinions that defined “immunity” — 922 in all, by decade. Counts are citations to the defining cases as a whole, not verified uses of the term. The dip in the most recent years is a data-coverage gap, not a real trend — our corpus holds fewer opinions from the latest years.

All 3 definitions, chronological · 1910–1966

  1. 1910·217 U.S. 423 - Heike v. United States[p14]· cited 262×
    ORIGINAL

    the statute does not intend to secure to a person making such a plea immunity from prosecution, but to provide him with a shield against successful prosecution, available to him as a defense; and that when this defense is improperly overruled, it may be a basis for the reversal of a final judgment against him.

    against prosecution under federal statute

  2. 1966·383 U.S. 234 - Stevens v. Marks[p37]· cited 164×

    A witness has, we think, a constitutional right to stand on the privilege against self-incrimination until it has been fairly demonstrated to him that an immunity, as broad in scope as the privilege it replaces, is available and applicable to him.