CaseTrail

Mootness: Supreme Court decisions

Every U.S. Supreme Court decision from the 1946 through 2025 Terms that the Supreme Court Database classifies under the issue “Mootness,” part of the Judicial Power area.

87decisions
64%favorable to the petitioner
55%unanimous
0altered precedent or struck a law

Decisions by decade

1940s1
1950s11
1960s10
1970s25
1980s19
1990s10
2000s4
2010s5
2020s2

Most majority opinions

Legal provisions most often involved

Article III, Section 2, Paragraph 1 (case or controversy requirement)26
Supreme Court Rules2
CLOUD Act 2018 Pub L. 115-141 amending 18 USC ss 27011
101 Stat. 5541
Freedom of Information, Sunshine, or Privacy Act1
Federal Rules of Civil or Appellate Procedure1
Bankruptcy Code or Bankruptcy Act1
Article I, Section 6, Paragraph 1 (speech or debate clause)1

All 87 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