CaseTrail

State or local business regulation: Supreme Court decisions

Every U.S. Supreme Court decision from the 1946 through 2025 Terms that the Supreme Court Database classifies under the issue “State or local business regulation,” part of the Economic Activity area.

72decisions
53%favorable to the petitioner
43%unanimous
25altered precedent or struck a law

Decisions by decade

1940s6
1950s13
1960s10
1970s15
1980s13
1990s3
2000s8
2010s3
2020s1

Most majority opinions

Legal provisions most often involved

Article I, Section 8, Paragraph 3 (interstate commerce clause)31
Fourteenth Amendment (equal protection)9
Article I, Section 10, Paragraph 1 (contract clause)8
Fourteenth Amendment (due process)6
Article IV, Section 1 (full faith and credit clause)2
Article VI, Section 2 (supremacy clause)2
Interstate Commerce Act2
Employee Retirement Income Security Act (ERISA)1

All 72 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