Caleb J. Holmes

  • Shareholder at Greenberg Traurig, LLP (1800 Attorneys)
  • 2700 Two Commerce Square, 2700 Two Commerce Square, 2001 Market Street, Philadelphia, PA 19103
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Caleb J. Holmes focuses his practice on environmental and commercial litigation. He has a wide range of experience in environmental transaction and regulatory counseling matters.

Caleb represents businesses in state and federal courts in environmental and commercial litigation matters. He advises and represents industrial and state clients on environmental issues arising in permitting, compliance activities, as well as business and real estate transactions generally. Caleb represents natural gas exploration and production companies and midstream providers in connection with the development of the Marcellus Shale and other natural gas resources.

Areas of Concentration

•Air, water and waste regulation
•Superfund and contamination
•Oil and gas development

Awards & Recognition

•Listed, Super Lawyers magazine, Pennsylvania Super Lawyers, Rising Stars, 2014-2017
•Team Member, U.S. News - Best Lawyers , Best Law Firms Edition, Law Firm of the Year, Environmental Law, 2016

Articles, Publications, & Lectures

•Author and Presenter, 2015-2016 CERCLA Update, Pennsylvania Environmental Law Forum, April 2016
•Author, CERCLA Statutes of Limitations Confusion in Administrative Settlements, Pa. Law Weekly , March 11, 2016
•Author, Should State Agencies Get Less Deference Than the EPA? 38 Pennsylvania Law Weekly 554, June 16, 2015
•Author and Presenter, 2014-2015 CERCLA Update, Pennsylvania Environmental Law Forum, April 2015
•Author and Presenter, 2013-2014 CERCLA Update, Pennsylvania Environmental Law Forum, April 2014
•Author, Federal Bar to Environmental Hearing Board Jurisdiction, 36 Pennsylvania Law Weekly 216, March 5, 2013
•Co-Author, False Claims: The FTC's Response to 'Greenwashing,' Legal Intelligencer Environmental Law Supplement, May 2010
•Author and Presenter, False Green Advertising Claims: FTC's Green Guides, Pennsylvania Environmental Law Forum, April 2010
•Co-Author, The Growth of 'Green' Claims, Law360, April 22, 2009

Associated News & Events

Press Releases

05.15.17 10 Greenberg Traurig Attorneys Listed in 2017 Pennsylvania Super Lawyers Magazine

01.18.17 A Year In Review: Greenberg Traurig Philadelphia

11.21.16 Greenberg Traurig Philadelphia Achieves Four First-Tier Rankings in U.S. News - Best Lawyers 2017 'Best Law Firms' Edition

11.15.16 Greenberg Traurig's Environmental Practice Receives First-Tier Ranking in U.S. News - Best Lawyers 2017 'Best Law Firms' Edition

06.09.16 Greenberg Traurig Philadelphia Recognized in 2016 Chambers USA Guide

06.08.16 Greenberg Traurig Environmental Practice Again Recognized Nationwide in 2016 Chambers USA Guide

05.16.16 8 Greenberg Traurig Philadelphia Attorneys Listed in 2016 Pennsylvania Super Lawyers

03.31.16 Greenberg Traurig Attorneys Speak at Pennsylvania Environmental Law Forum

01.11.16 A Year in Review: Greenberg Traurig Philadelphia

11.03.15 Greenberg Traurig Named 'Law Firm of the Year' for Environmental Law


•Law Clerk, Hon. Chief Judge Anthony J. Scirica, U.S. Court of Appeals for the Third Circuit

Areas of Practice (2)

  • Litigation
  • Environmental

Education & Credentials

Contact Information:
215.988.7877  Phone
215.717.5205  Fax
University Attended:
Middlebury College, B.A., 2003
Law School Attended:
Vermont Law School, J.D., cum laude, 2007; Vermont Law School, Master of Studies in Environmental Law, magna cum laude, Notes Editor, Vermont Law Review, Member, National Moot Court Team, Member, Moot Court Advisory Board, 2007
Year of First admission:
Pennsylvania; U.S. Court of Appeals for the Seventh Circuit; U.S. Court of Appeals for the Third Circuit; U.S. District Court for the Western District of New York; U.S. District Court for the Eastern District of Wisconsin; U.S. District Court for the Middle District of Pennsylvania; U.S. District Court for the Eastern District of Pennsylvania

Professional & Community Involvement

•Member, American Bar Association
•Member, Pennsylvania Bar Association
•Council Member, Environmental and Energy Law Section

Birth Information:
Burlington, Vermont, 1980

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Philadelphia, Pennsylvania

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