Gregory Trimarche serves as head of the Irvine office’s Commercial Litigation practice.  In addition to litigation, Mr. Trimarche’s practice includes government affairs, regulatory matters, and business transactions, particularly in the areas of energy and environmental law.  Most recently, Mr. Trimarche’s practice has focused on the “clean technology” or “clean tech” industry, including but not limited to solar and wind power, biofuels, alternative fuel vehicles, energy facility siting and permitting, “smart grid,” and other energy and resource conservation matters. In particular, Mr. Trimarche assists clean tech clients in their efforts to obtain “stimulus” grants, tax credits and other government incentives under the American Recovery and Reinvestment Act (“ARRA”) and other government programs.  Mr. Trimarche also serves as Co-Chair of Clean Tech OC, a new non-profit trade association dedicated to growing the clean tech industry in Orange County, California.

Over the course of his career, he has represented parties in a wide range of regulatory compliance and environmental enforcement matters under the federal Clean Air Act, Clean Water Act, CERCLA, RCRA and TSCA, and California’s Prop 65, Water Code and Hazardous Waste Control Law. He also has extensive land use experience, including litigation and compliance under the California Environmental Quality Act (CEQA).  In addition, he has gained national recognition with his environmental practice in the “Brownfield” area - the cleanup, transfer and redevelopment of contaminated properties - with clients including some of the largest Brownfield developers, homebuilders, commercial developers and commercial/industrial property owners in California. Mr. Trimarche is co-author of one of the first authoritative treatises on the Brownfield industry (Brownfields: A Practical Guide to the Cleanup, Transfer, and Redevelopment of Contaminated Properties, Argent Communications, 1997).  As former Chair of the State Bar of California’s Environmental Law Section, and a frequent lecturer at government, bar association and industry conferences throughout the western U.S., he is widely recognized as one of California’s leading environmental attorneys.

Mr. Trimarche’s litigation experience includes jury trials, bench trials, arbitrations and administrative proceedings involving environmental, energy, real estate, and corporate and finance matters; trade secrets and other intellectual property and technology-related matters; e-commerce, online publishing and other internet-related matters; and a variety of other commercial disputes.

Professional Affiliations

• State Bar of California – Chair, Environmental Law Section, 2001-2002; Environmental Law Section Executive Committee, 1997-present
• Los Angeles County Bar Association – Chair, Environmental Law Section, 2002-2003 Environmental Law Section Executive Committee, 1995-2005
• CleanTech OC, Co-Chair, 2010
• CAL-EPA Brownfield Task Force Committee – Member, 2002-2004
• Urban Land Institute (Orange County District Council)  – Member, Executive Committee; Co-chair, Programs, 2004-2009
• Lambda Alpha International, Honorary Land Economics Society – Member, 2007-2009

Civic Involvement and Distinctions

• Listed, Southern California Super Lawyers, 2003-2009

• Laguna Art Museum – Board of Trustees, Member; Executive Committee Member