Seth v.d.H. Cooley is chair of the firm's Environmental Law Practice Group. Throughout his 30-year career, Mr. Cooley has handled complex environmental regulatory, litigation and transactional matters. In addition, his practice encompasses the representation of the workers compensation rating bureaus for the states of Pennsylvania and Delaware.
With respect to his environmental experience, Mr. Cooley represents clients in environmental matters arising under an array of federal and state programs including the federal Clean Air Act, Superfund, Clean Water Act, and Resource Conservation, Recovery Act and Oil and Gas programs. For more than 25 years Mr. Cooley has handled major matters for clients in the manufacturing, service, and financial sectors in environmental litigation, regulatory, and transactional matters.
Mr. Cooley's experience has ranged from serving as lead counsel for PRP groups in multi-party Superfund litigation, to defending clients in civil and criminal CAA and CWA investigation and enforcement proceedings, to representing clients in CAA Title V permit proceedings. His diverse experience has included developing and leading cutting edge challenges to the national test methods for measuring opacity of air emissions, the categorization of fugitive emissions in the context of product storage, and the joint federal/state evaluation of a leading national underground storage tank tightness test method. Presently, Mr. Cooley is actively representing clients in Marcellus Shale matters in Pennsylvania.
Admitted to practice in Pennsylvania and New Jersey, he is a member of the Section of Environment, Energy and Resources of the American Bar Association, the Environmental, Mineral and Natural Resources Law Section of the Pennsylvania Bar Association and is a past Chair of the Environmental Law Committee of the Philadelphia Bar Association. Mr. Cooley serves on the Board of the Pennsylvania Environmental Council and is a Master of the Delaware Valley Environmental American Inn of Court. Mr. Cooley is a 1984 graduate of the University of North Carolina at Chapel Hill School of Law and a graduate of Rutgers University.
For his workers compensation rating bureau clients, Mr. Cooley has provided counsel and representation on a wide variety of regulatory and governance matters over the past 27 years. In addition to serving as counsel in rate filing and classification appeal proceedings, he has advised and guided his clients on matters of policy and procedure including bureau governance, bureau administration, and legislative developments.
•Duane Morris LLP
- Chair, Environmental Law Practice Group
- Partner, 1994-present
- Associate, 1984-1993
Honors & Awards
•Listed in Best Lawyers in America, Environmental Law Category, 2016
•Listed in the 2014 Legal Who's Who for Environmental Law
•AV Preeminent Peer Review Rated by Martindale-Hubbell
Selected Speaking Engagements
• Computer Modeling: Getting it Done on Time, Making it Convincing to Regulators, and Making It Persuasive to Courts, Pennsylvania Bar Institute's Environmental Law Forum, Harrisburg, Pennsylvania, April 10, 2014
• Fracking and Other Nontraditional Oil and Gas Developments: The New Frontier/The New Controversies, Practising Law Institute's Second Annual Energy and Environmental Law with the University of Houston Law Center, Houston, Texas, March 8, 2012
• Shale Gas Drilling and Development: Meeting the Legal Challenges: Best Practices for Negotiating Leases, Permitting and Addressing Environmental Issues, Stafford Publications, July 19, 2011
• Exploration and Production of Nontraditional Oil & Gas Resources: The New Frontier, Practising Law Institute's First Annual Energy and Environmental Law with the University of Houston Law Center, Houston, Texas, February 3, 2011
• Post Development and Long-Term Responsibility, Pennsylvania Environmental Council and Duquesne University Marcellus Shale Policy Conference, Pittsburgh, Pennsylvania, May 4, 2010
• Greenhouse Gas Emission Reporting Requirements, Look Out, Here They Come! New Jersey Corporate Counsel Association, September 18, 2008
• Storage Tank Litigation, seminar sponsored by the Pennsylvania Bar Institute, Philadelphia and Pittsburgh, Pennsylvania, October 1995, and Harrisburg, Pennsylvania, November 1995 Rhode Island Bar Association
• 1994 Environmental Law Update, seminar sponsored by the Philadelphia Bar Association, Philadelphia, PA, October 1994
• Transactional Issues, Underground Storage Tanks, seminar sponsored by the Pennsylvania Bar Institute, Philadelphia and Harrisburg, PA, April 1993
•Author, U.S. District Court Preliminarily Enjoins EPA and ACOE Waters of the United States Final Rule, Duane Morris Alert, September 8, 2015
•Featured in Duane Morris Houston Lawyer Leads Quanta Services' Team on $1B Deal, Texas Lawyer, May 8, 2015
•Co-author, PUC Powers Expanded Under New Marcellus Shale Law, Marcellus Shale Law and Policy Update, February 29, 2012
•Co-author, Pennsylvania and West Virginia Move Tax-Break Bills to Lure Petrochemical Plant, Hundreds of Jobs, Marcellus Shale Law and Policy Update, February 29, 2012
•Co-author, Legislation Gives Landowners Slight Edge in Court When Mineral Rights Owner Is Unclear, Marcellus Shale Law and Policy Update, February 29, 2012
•Co-author, New York Plods Ahead in Permitting Shale Drilling, Marcellus Shale Law and Policy Update, February 29, 2012
• Wiggle Room for Local Regulation of Marcellus Gas Drilling, or Potentially Reversible Error? Duane Morris Alert, August 10, 2010
•Profiled by Law 360, July 10, 2009
•Co-author, Potential Implications of President Obama's Cap and Trade Program, Duane Morris Alert, March 18, 2009
• Economy-Wide, Mandatory Federal Greenhouse Gas Monitoring and Reporting Has Arrived: Is Your Facility Required to Report? Duane Morris Alert, March 12, 2009
• Marcellus Shale: Material Drinking Water Risks? Duane Morris Alert, November 25, 2008
• Greenhouse Gas Emitters Should Take Note Of KDHE, Law360, November 29, 2007
• New EPA Rule Alters Approach to Environmental Due Diligence, Duane Morris Alert, March 3, 2006
•Co-author, Allocation of Clean-up Costs Among Potentially Responsible Parties, Environmental and Toxic Tort Defense, Defense Research Institute, February 1989