← Legal Glossary
Federal Preemption
Definition
When federal law overrides or displaces state law under the Supremacy Clause of the Constitution, preventing states from enforcing their own rules on the same subject. Preemption can be explicit (stated in the statute) or implied by the structure and purpose of federal law.
Examples
- •C.H. Robinson argues the FAAAA's express preemption clause displaces Montgomery's state negligence claim.