Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
About this guide
Welcome to the USD Pardee Legal Reseach Center's LibGuide for Preemption Checking. A preemption check is conducted to determine whether there is new law or a prior publication (whether by student author or expert) that renders an article moot.