As co-chair of the Appeals and Issues Team, Jonathan helps clients design winning legal strategies in appeals and high-stakes litigation. Jonathan has argued nine cases before the U.S. Supreme Court and filed more than 150 briefs at the merits and certiorari stages before the Court. He has handled appeals and dispositive motions in other federal courts and state courts across the country. He has significant experience nationally in assisting clients in formulating appellate strategy, both in pending appeals and at the trial court level before judgment. And he has challenged and defended federal agency actions at every level of the federal judiciary.