Mr. Regan’s practice focuses on the financial services, energy, data-technology, and consumer retail industries.
He counsels clients in their most vexing matters, often involving regulatory and public relations elements or novel jurisdictional, substantive, and procedural issues.
Shawn handles complex business disputes, securities litigation, government and regulatory investigations, cross-border litigation, and putative class/mass actions, involving contracts, torts, fraud, and other common law and statutory claims including some intellectual property matters. He leads our New York office’s Securities Litigation group.
In addition to his work as lead trial counsel in arbitral forums and state and federal courts, Shawn has argued and been lead counsel of record in numerous successful appeals, including in several United States Circuit Courts of Appeals, the New York State Court of Appeals, and the Supreme Court of the United States. He enjoys collaborating with clients and other outside counsel to utilize strategically each team member's skills, attributes, and experience to bring about the most effective and efficient result for clients.
Shawn has been appointed to a number of leadership positions in the federal courts of the Second Circuit and the bar. He is an invited attendee of the Second Circuit Judicial Conference. He has been appointed by present and past Chief Judges of the SDNY to several positions, including to argue on behalf of the Judges of the Southern District Grievance Committee on matters before the Second Circuit Court of Appeals. He has held numerous senior leadership positions in the Federal Bar Council, including chairing each of its signature events, and presently serves on the FBC Executive Committee.