Thomas W. Hazlett is a litigator who focuses on commercial disputes, antitrust, intellectual property, and breach of fiduciary duty claims. He is a partner who leads the firm's eDiscovery Services Group and the Litigation Department's integration of AI technology into its work.
Tom has litigated numerous motions for injunctive relief, tried cases to verdict before judges and juries, and handled appeals in state and federal courts, including arguing before the Pennsylvania Supreme Court and the United States Court of Appeals for the Third Circuit. His clients include leading companies in the life sciences and financial services sectors. He has resolved disputes with other companies or individuals, on behalf of an international, commercial-stage oncology company, an international molecular diagnostic company, and several national banks. He also has represented banks and others in fiduciary litigation, in which claims were asserted against the client based on its role as a trustee or personal representative of an estate. He served as lead trial counsel for a national bank in breach of fiduciary duty and breach of contract bench trials alleging millions of dollars in damages.
Professional Highlights
Professional Activities
American Bar Association
Recognition & Accomplishments
Pennsylvania Innocence Project, 2026 Edward D. Ohlbaum Volunteer Award
The Legal Intelligencer's 2015 Lawyers on the Fast Track
Pennsylvania Rising Star, Business Litigation, 2011-2015
Pennsylvania Rising Star, Civil Defense Litigation, 2006, 2010
LEADERSHIP Philadelphia Core Program, Fellow, 2013-2014
Speaking Engagements
Speaker, "AI's Influence on Navigating Current Business Strategies," Philadelphia Business Journal, November 6, 2025
Speaker, "Leveraging AI to Streamline Factual Investigation and Case Development," Philadelphia Bar Association 2025 Bench-Bar Conference, October 10, 2025
Speaker, "AI, Antitrust, and the Trump Administration," IP Watchdog, April 22, 2025
Board Memberships & Community Service
Haddonfield Educational Trust: Trustee, January 2026-present
Haddonfield Crew Club: Board volunteer, January 2022-December 2023; Board Vice President, January 2024-August 2024
Children's Village: Director, February 2012-June 2018; Board President, September 2014-June 2018; Board Secretary, September 2013-June 2014
Related Insights
Credentials
Education
University of Pennsylvania Law School (J.D. 2001)
Trinity College (B.S. 1998, with honors)