Arnold & Porter combines regulatory expertise with extensive courtroom experience and a global reach. It handles a broad range of environmental matters, from litigation and compliance to transactional issues, and is particularly known for addressing critical legal issues in the nuclear industry, including uranium conversion and radioactive emissions under the Price-Anderson Act, providing clients with practical solutions in a shifting regulatory landscape. Allison Rumsey , co-chair of the firm’s environmental group, is known for her deep knowledge of environmental laws like CERCLA, RCRA, and the Clean Air and Water Acts. Rumsey guides clients through intricate permitting processes for large-scale projects, including mining, infrastructure, and federal land redevelopment. Elissa Preheim, has stellar expertise with toxic torts and class actions. Michael Daneker has played a pivotal role in landmark cases such as the BP Oil Spill, New Jersey chrome litigation, and major toxic tort lawsuits, leading numerous complex environmental litigations. The team also includes Lauren Daniel , an expert in natural resource damages litigation and cost recovery actions, and Zachary Fayne, who excels in vehicle emission issues.
Legal 500 Editorial commentary
- Profile
Accolades
Client satisfaction
Key clients
- Chemours
- BP
- Honeywell
- Atlantic Richfield
- Mosaic
- Warner-Lambert (Pfizer)
- Coty Inc.
- Ahlstrom
- Takeda
- Small Parties Group
Work highlights
- Advising Honeywell on a broad array of environmental problems involving current and legacy operations, federal and state litigation, and compliance and transactional issues.
- Serving as lead environmental counsel on a range of regulatory, enforcement, and litigation matters relating to the discovery of chemicals in the Cape Fear River in North Carolina attributable to the client’s facility, including a PFAS chemical referred to as GenX.
- Serving as lead counsel for bp in dozens of novel climate change lawsuits filed by state and local governments in California, Delaware, the District of Columbia, Hawaii, Illinois, Maryland, New Jersey, New York, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, and Washington.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next generation partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Elissa Preheim
Practice head
Allison Rumsey; Jonathan Martel
Other key lawyers
Michael Daneker; Lauren Daniel; Zachary Fayne; Elissa Preheim