LAWYER PROFILE
Patrick W Dennis

Patrick W Dennis

USA 2026

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Gibson, Dunn & Crutcher LLP
 Gibson, Dunn & Crutcher LLP

Ranked in 1 practice area

Environment

California

23 years ranked

About

Provided by Gibson, Dunn & Crutcher LLP

Practice Areas

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.

Personal

UCLA, BS, 1976; MS, 1978; JD-MBA, 1982.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Environment - California

Senior Statespeople
Individual Editorial
Patrick Dennis is commended for his representation of a wide range of clients in toxic tort and CERCLA litigation. He also manages the defense of public and private enforcement actions pertaining to a number of environmental statutes.
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Strengths

Provided by Chambers

  • Patrick has decades of experience and is one of the leaders in the environmental contamination space.

    EnvironmentChambers Guide to the USA

  • Patrick is simply the best environmental lawyer I have dealt with. He has decades of experience in all facets of environmental law. He is incredibly responsive and is a practical problem-solver.

    EnvironmentChambers Guide to the USA

Ranked Individuals at Gibson, Dunn & Crutcher LLP (329)

California

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