Nolo's Plain-English Law Dictionary
Need Professional Help? Talk to a Lawyer
Enter Your Zip Code to Connect with a Lawyer Serving Your Area
Enter Your Zip Code to Connect with a Lawyer Serving Your Area
- Preemption
- 1) The principle that a federal law supercedes a state law (and a state law supercedes a local law) where both governments have made laws on the same subject and the laws conflict. 2) The right of purchasing before others (for example, a preemptive right).


