In the case before the Court, a law firm specializing in class-action securities lawsuits succeeded in transferring a lawsuit to an Arizona district court under the multidistrict litigation statute, and then argued that the Arizona court should also conduct trial. WLF argued that “our civil justice system cannot function fairly or effectively if judges ignore statutes which confine their authority, and this Court should not countenance a practice by which judges subvert the clear congressional mandate in order to enhance their judicial authority.”