Mr Casey Hopkins > Vinson & Elkins LLP > Washington DC, United States > Lawyer Profile

Vinson & Elkins LLP
WASHINGTON, DC 20037-1701
United States

Work Department

Environmental & Natural Resources


Casey advises and represents clients in a wide variety of matters relating to environmental laws. In transactional contexts, he has structured allocations of liability in mergers and acquisitions, assisted clients in creative approaches to restructuring environmental requirements, and led the conduct of diligence and negotiations on environmental requirements in connection with asset sales and project financings within the United States and internationally.

In addition, he has advised clients on environmental issues in connection with securities offerings and private placements, and represented various companies in obtaining environmental approvals required for energy infrastructure projects. Casey has also defended environmental remediation claims, toxic tort lawsuits, civil and criminal cases related to alleged violations of environmental laws, and numerous administrative enforcement investigations and proceedings. Casey also advises companies on federal and state regulation of pipelines, bulk storage terminals and the supply of fuels.


  • Boston College Law School, J.D., 1985
  • Tufts University, B.A. cum laude, 1981

Lawyer Rankings

United States > Environment > Environment: transactional

The environmental and natural resources group at Vinson & Elkins LLP acts for clients on high-value M&A, the buying and selling of assets, financings and project development, and is well versed in acquiring and defending permits pertaining to air, water and wetlands. The practice has a strong track record in handling the environmental aspects of energy transactions and is led by Ron Tenpas in Washington DC. Also in Houston, Matthew Dobbins is a name for regulatory counseling, remedial issues, environmental litigation, energy transition and transactional matters, with a focus on low-carbon ventures. Casey Hopkins in DC is experienced in securities offerings, private placements and environmental approvals. Larry Nettles has retired.