In Federal court the U.S. Supreme Court has set a high burden of proof for a plaintiff seeking an injunction. Unfortunately, once case law is established its ne

In Federal court the U.S. Supreme Court has set a high burden of proof for a plaintiff seeking an injunction. Unfortunately, once case law is established its nearly impossible to change. In this instance, in a civil case based on diversity it would be really difficult to prove public interest. Generally injunctions in federal courts are used to prevent states from doing things, like proceeding with an execution or changing voting laws.