Patrick W. Dennis > Gibson, Dunn & Crutcher LLP > Los Angeles, United States > Lawyer Profile

Gibson, Dunn & Crutcher LLP
333 SOUTH GRAND AVENUE
LOS ANGELES, CA 90071-3197
CALIFORNIA
United States

Work Department

Environmental Litigation and Mass Tort

Position

Patrick W. Dennis is a partner in the Los Angeles office of Gibson, Dunn & Crutcher. He is a member of the Environmental Litigation and Mass Tort Practice Group. Pat represents clients in environmental litigation, toxic tort lawsuits, public and private enforcement actions, private party clean-up cost recovery, diligence/transactional matters with environmental liabilities, and complex permit/entitlement projects. He has extensive experience with all federal and state agencies for air quality, hazardous waste, and water quality. Represents buyers and sellers of major industrial facilities worldwide and contaminated real estate for redevelopment. He has served as lead litigation counsel for numerous clean-up cost recovery, toxic tort, enforcement and Superfund matters, including natural resource damage actions brought by the US.

Lawyer Rankings

United States > Environment > Environment: litigation

(Hall of Fame)

Patrick DennisGibson, Dunn & Crutcher LLP

Gibson, Dunn & Crutcher LLP  is a powerhouse in high-stakes environmental litigation and enforcement, specializing in complex civil and criminal cases with significant corporate risks. It has achieved numerous victories for global corporations, excelling in trial strategies, dispositive motions, favorable settlements, and appellate decisions. It is also a frontrunner in climate change litigation, handling cases involving greenhouse gas emissions with an innovative approach. Alongside litigation, it offers environmental diligence, compliance, and regulatory advice, working seamlessly with other practices like White Collar and Energy Regulatory. Stacie B. Fletcher  is recognized as a top environmental lawyer, with significant successes in high-profile enforcement cases involving the U.S. EPA, state agencies, and major corporations. Daniel Nelson , a nationally recognized litigator, is known for his strong track record in complex environmental, mass tort, class action, and antitrust cases. Both work from the Washington, DC. office. Patrick W. Dennis , based in Los Angeles, is a highly regarded environmental attorney with expertise across industries like manufacturing, energy, aerospace, and oil and gas.