The privileges of the Constitution's Speech or Debate Clause enjoyed by members of Congress also extend to Congressional aides, but not to activity outside the legislative process. Decided June 29, 1972 (argued 1972). Opinion of the Court: Byron White → go there Dissenting: Stewart (in part), Douglas, Brennan. Topic: Other. Gravel v. United States, 408 U.S. 606 (1972), was a case regarding the protections offered by the Speech or Debate Clause of the United States Constitution. In the case, the Supreme Court of the United States held that the privileges and immunities of the Constitution's Speech or Debate Clause enjoyed by members of Congress also extend to Congressional aides, but not to activity outside the legislative process. Wiki link