Play video

Anti-Injunction Act

Learn about the federal Anti-Injunction Act and how it constrains federal court authority.


I.          Introduction

Because of American federalism, every state has at least two court systems operating within its borders, one federal and one state. Although the Constitution’s Supremacy Clause elevates the federal system over the state systems, the relationship between these systems still creates power struggles. These struggles focus primarily on which system should adjudicate a dispute and which law should apply. More specifically, these...