field preemption
Definitions from Case Law · United States Supreme Court
Definitions from Case Law
From 331 U.S. 218 - Rice v. Santa Fe Elevator Corp. · 1947Most cited · 5,363 citing opinions
The test, therefore, is whether the matter on which the State asserts the right to act is in any way regulated by the Federal Act. If it is, the federal scheme prevails though it is a more modest, less pervasive regulatory plan than that of the State.
How often courts cite the case defining “field preemption”
Court decisions citing the opinion that defined “field preemption” — 5,330 in all, by decade. Counts are citations to the defining case 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.