Patrick W. Dennis - Gibson Dunn LLP
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Patrick W. Dennis

Listed in Best Lawyers since 1995
Phone: 213-229-7567

Patrick W. Dennis is a partner in the Los Angeles office of Gibson, Dunn & Crutcher LLP.  He co-chairs the Environmental Litigation and Mass Tort Practice Group for the firm and in that capacity works with and helps lead nine other partners and approximately thirty associates who practice full-time in the environmental law area in four different offices within the United States.  Mr. Dennis has extensive experience representing clients in general manufacturing, energy, banking, aerospace, real estate, construction, electronics, oil and gas, cement making, and lead recycling in a wide range of environmental matters.  He has substantial experience in the following areas:

Mr. Dennis is consistently named among the nation’s leading environmental law attorneys.  In 2012, 2013 and 2014 Best Lawyers named him Los Angeles Litigation – Environmental “Lawyer of the Year.”  He was also selected by his peers for inclusion in The Best Lawyers in America© for the field of Environmental Law and Litigation-Environmental.  In 2012 and 2013, Mr. Dennis was nationally ranked as one of eleven “Leading Lawyers” in Environmental Litigation in The Legal 500 United States and one of ten from 2009-2011.  For 2010 through 2014, he is in the top tier, Band1, ranking forCalifornia in Chambers USA: America’s Leading Lawyers for Business.  In 2009, Mr. Dennis was elected to the prestigious American College of Environmental Lawyers by his peers.  He was the Chair and a founding member of the Los Angeles County Bar Association Environmental Law Section.  Mr. Dennis also serves on the Board of Trustees for the California Science Center Foundation.

He received a B.S. (Civil Engineering – 1976); M.S. (Mechanical Engineering – 1978); and a J.D./MBA (1982), all from the University of California, Los Angeles.  Mr. Dennis has practiced exclusively in the environmental law area since graduating from law school.

University of California - Los AngelesBS University of California - Los AngelesMBA University of California - Los AngelesMS University of California - Los AngelesJ.D.

Office Location

333 South Grand Avenue
Los Angeles, CA 90071-3197
United States

Lawyer of the Year Awards

2014 Lawyer of the Year in Litigation - Environmental of the Los Angeles Metro Area2012 Lawyer of the Year in Environmental Law of the Los Angeles Metro Area
Patrick W. Dennis has earned a Lawyer of the Year award for 2014!Patrick W. Dennis has earned a Lawyer of the Year award for 2012!

Practice Areas

Environmental Law
Litigation - Environmental