He joined the Institute in July 2007 and litigates cutting-edge constitutional cases protecting the First Amendment, economic liberty, property rights and other individual liberties in both federal and state courts. In addition to his work on occupational speech, Paul has litigated numerous campaign finance cases. He served as co-counsel in SpeechNow.org v. FEC, which led to the creation of so-called “super PACs,” and which the Congressional Research Service described as representing one of “the most fundamental changes to campaign finance law in decades.” Paul has also served as lead or co-counsel in lawsuits challenge state campaign-finance laws in Colorado and Florida, and has filed numerous amicus briefs on campaign finance issues before the U.S. Supreme Court.