CaseTrail

Federal Rules of Criminal Procedure: Supreme Court decisions

Every U.S. Supreme Court decision from the 1946 through 2025 Terms that the Supreme Court Database classifies under the issue “Federal Rules of Criminal Procedure,” part of the Criminal Procedure area.

63decisions
62%favorable to the petitioner
49%unanimous
2altered precedent or struck a law

Decisions by decade

1940s2
1950s11
1960s15
1970s3
1980s11
1990s13
2000s4
2010s4

Most majority opinions

Legal provisions most often involved

Federal Rules of Criminal Procedure48
Federal Rules of Evidence7
18 U.S.C. § 42082
Internal Revenue Code1
28 U.S.C. § 12011
26 U.S.C. § 37401
Exclusionary rule (Fourth Amendment)1
28 U.S.C. § 21061

All 63 decisions, newest first

Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error