Thomas M. "Tom" Duncan
Faegre Drinker Biddle & Reath LLP
Recognized since 2022
Philadelphia, Pennsylvania
Practice Areas
Environmental Law
Litigation - Environmental
Tom is a partner with Manko, Gold, Katcher & Fox, LLP. He concentrates his practice on environmental transactional matters, regulatory counseling, and environmental litigation. He is also a member of the firm’s air practice group. Tom handles a wide range of environmental matters, including brownfield redevelopment projects and transactional-related environmental due diligence. He represents entities in multi-party state and federal litigation involving cost recovery and indemnity claims, as well as contribution claims for contamination and remediation conducted under CERCLA, RCRA, and state laws.
Tom represents private equity investors, developers, manufacturers, and institutions in transactions involving current and former industrial sites in which environmental risks and liabilities were critical to the structure of the transaction and investment analysis. In connection with those representations, Tom negotiates the environmental aspects of transactional agreements, regulatory consent agreements, and prospective purchaser agreements. He has negotiated technically complex consent decrees with the U.S. Department of Justice, the U.S. Environmental Protection Agency, and state agencies, and has conducted extensive internal environmental audits.
Tom came to the firm from an AmLaw 100 firm in Philadelphia, where he was an attorney in the environmental and energy practice group. In that role, he represented and counseled a broad range of clients in regulatory and transactional matters and litigated cases before state and federal courts, the Pennsylvania Environmental Hearing Board, and the Pennsylvania Public Utility Commission. Prior to that, Tom served as an assistant counsel to the Pennsylvania Environmental Hearing Board.
Tom represents private equity investors, developers, manufacturers, and institutions in transactions involving current and former industrial sites in which environmental risks and liabilities were critical to the structure of the transaction and investment analysis. In connection with those representations, Tom negotiates the environmental aspects of transactional agreements, regulatory consent agreements, and prospective purchaser agreements. He has negotiated technically complex consent decrees with the U.S. Department of Justice, the U.S. Environmental Protection Agency, and state agencies, and has conducted extensive internal environmental audits.
Tom came to the firm from an AmLaw 100 firm in Philadelphia, where he was an attorney in the environmental and energy practice group. In that role, he represented and counseled a broad range of clients in regulatory and transactional matters and litigated cases before state and federal courts, the Pennsylvania Environmental Hearing Board, and the Pennsylvania Public Utility Commission. Prior to that, Tom served as an assistant counsel to the Pennsylvania Environmental Hearing Board.
Contact & Links
Location
- One Logan Square, Suite 2000
Philadelphia, PA 19103
Education
- Villanova University, J.D., graduated 2012
- University of Maryland, B.S., graduated 2006
Bar Admissions
- Pennsylvania, Pennsylvania
- New Jersey, New Jersey
Affiliations
- Delaware Valley Environmental American Inn of Court - Exec Comm; Membership Chair
- Environmental Hearing Board - Governor-appointed Member
- Lower Merion Conservancy - Board Member and Sustainability Committee Chair
- PBA, Environmental and Energy Law Section - Treasurer; Pro Bono Committee
Court Admissions
- U.S. Court of Appeals for the Third Circuit
- U.S. District Court for the Eastern District of Pennsylvania
- U.S. District Court for the Middle District of Pennsylvania
FDB&R
Faegre Drinker Biddle & Reath LLP
Philadelphia, Pennsylvania
3 The Best Lawyers in America® awards
2 Best Lawyers: Ones to Watch® in America awards
Recognized in Best Lawyers: Ones to Watch® in America 2025 for work in:
- Environmental Law
- Litigation - Environmental
Awards:
- Best Lawyers® "Ones to Watch" listing (environmental law and litigation), since 2022. The Best Lawyers list is issued by Woodward/White Inc.
- Pennsylvania Super Lawyers “Rising Star” listing (environmental law, litigation, energy and natural resources), since 2018. The Super Lawyers list is issued by Thomson Reuters. Click here to view the selection methodology.
Publications
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