Morgan, Lewis & Bockius LLP

Morgan, Lewis & Bockius LLP handles a vast range of appeals across numerous federal and state jurisdictions, with a focus on administrative and constitutional law. The team is regularly brought in post-verdict to handle high-value appeals in the energy and tax sectors, including matters involving nuclear projects and regulatory challenges. Splitting his time between Washington DC and Hartford, co-leader Bryan Killian maintains a national practice centered on environmental law and climate change disputes across the federal circuits. Fellow co-chair Michael Kenneally, based in Washington DC, specializes in class action defense and appellate issues arising from securities and employment litigation. William Peterson left the firm to become the Solicitor General of Texas in July 2025.