David G. Mandelbaum - Greenberg Traurig LLP

David G. Mandelbaum

Listed in Best Lawyers since 2006

David G. Mandelbaum is a shareholder in Greenberg Traurig's Litigation and Environmental Groups. http://www.gtlaw.com/People/davidmandelbaum


  • Air, Water, and Waste Regulation
  • Superfund and Contamination
  • Climate Change
  • Oil and Gas Development
  • Water Rights


  • Representation of industrial clients in wastewater, solid waste, and air permitting matters; administrative appeals; and enforcement actions
  • Advises clients on sustainability and climate change, risk management, and disclosure policies
  • Advises clients on environmental issues presented by hundreds of transactions; litigates misrepresentation, breach of contract, and statutory claims concerning environmental conditions arising after acquisitions and divestitures
  • Advises clients and litigates matters involving environmental aspects of land use, such as public trust, wetlands regulation, erosion control, "sprawl," "environmental justice," and complex urban brownfields
  • Representation of clients in prosecuting and defending common law environmental tort actions
  • Served as lead counsel for different industrial clients in two natural resources damages and contaminated sediment remediation matters that the federal government considers among its most significant
  • Representation of clients in scores of Superfund matters, including one of the only multigenerator landfill cases to be tried to judgment


Harvard UniversityJ.D. 1983Harvard UniversityAB 1980
Delaware Valley Regional Planning CommissionPennsylvania Statewide Water Resources CommitteeTemple Law School

Case History

United States v. Atlas Minerals & Chemicals, Inc., 41 Env''t Rep. Cas. (BNA) 1417 (E.D. Pa. Aug. 22, 1995), aff''''d mem., No. 95-2030 (3d Cir. July 30, 1996) — The first multi-generator Superfund litigation to go to trial on allocation.
Gillen v. City of Neenah, 219 Wis.2d 806, 580 N.W.2d 628 (1998) — Application of Wisconsin Public Trust Doctrine to construction of sludge incinerator on landfill constructed over lakebed.
Teleflex, Inc. v. Collins & Aikman Products Co., 961 F. Supp. 368 (D. Conn. 1996), aff''d mem., 125 F.3d 845 (2d Cir. 1997), and 297 A.D.2d 248, 746 N.Y.S.2d 698 (2002), and 847 So. 2d 1143 (Fla. App. 2003) — Complicated litigation in multiple forums over contractual representations and indemnifications, as well as alleged fraud, in a corporate transaction.
Hanna v. ARE Acquisitions, Inc., 929 A.2d 892 (Md. 2007) — Is leaving 75 tons of mostly chemically, biologically, or radiologically hazardous material behind in a leasehold when the lease is terminated a common law tort?
Appleton Papers Inc. v. George A. Whiting Paper Co., No. 2:08-cv-16 (E.D. Wis.) and related cases — Lower Fox River and Green Bay Superfund Site litigation that the government estimates has in excess of $1 billion in controversy.
Seneca Resources Corp. v. U.S. Forest Service, No. 1:09-cv-154 (W.D. Pa.) — Plaintiff owns the mineral rights to 187,000 acres in the Allegheny National Forest (about one-third of the ANF), including rights to portions of the Marcellus Shale formation, and has been excluded by the Forest Service while the Forest Service conducts an environmental impact statement.

Office Location

Two Commerce Square, Suite 2700
2001 Market Street
Philadelphia, PA 19103
United States

Lawyer of the Year Awards

2016 Lawyer of the Year in Litigation - Environmental of the Philadelphia Metro Area2015 Lawyer of the Year in Environmental Law of the Philadelphia Metro Area
David G. Mandelbaum has earned a Lawyer of the Year award for 2016!David G. Mandelbaum has earned a Lawyer of the Year award for 2015!

Practice Areas

Environmental Law (Administrative/Regulatory, Clean Water Act, Counseling, Enforcement Defense, Environmental Permitting, Litigation, RCRA/Hazardous Waste, Solid Waste, Superfunds/Environmental Remediation, Toxic Tort, Waste, Wetlands)
Litigation - Environmental
Water Law (Water Quality, Water Rights)

Other Information

Gender: Male