Jim Harris focuses his practice on regulatory litigation and counseling. He assists clients in environmental regulation compliance, including running compliance audits and developing corporate policies, as well as in due diligence.
"James Harris has a strong reputation for his record in regulatory litigation." - Chambers USA 2019

Mr. Harris' environmental litigation experience includes cost recovery actions, enforcement actions, contested permits, bankruptcy claims, regulation challenges, debarment proceedings, and criminal actions.

He also represents clients in litigation challenging local government ordinances, permit decisions, and zoning actions as well as in property tax litigation regarding challenges to valuation, situs determinations, and right to exemptions.


  • The University of Texas School of Law, J.D., with honors
  • Southern Methodist University, B.A.Sc., with high honors
Bar Admissions/Licenses
  • Texas
Court Admissions
  • U.S. Court of Appeals for the District of Columbia Circuit
  • U.S. Court of Appeals for the Eighth Circuit
  • U.S. Court of Appeals for the Fifth Circuit
  • U.S. Court of Appeals for the Second Circuit
  • U.S. Court of Appeals for the Tenth Circuit
  • U.S. District Court for the Eastern District of Texas
  • U.S. District Court for the Northern District of Texas
  • U.S. District Court for the Western District of Arkansas
  • U.S. District Court for the Western District of Texas
  • U.S. Supreme Court
  • American Bar Association; Administrative Law and Regulatory Practice Section; Urban, State, and Local Government Law Section; Natural Resources Section; Energy Section; Environmental Law Section
  • State Bar of Texas; Administrative and Public Law Section; Appellate and Advocacy Section; Environmental and Natural Resources Law Section; Co-Chair, Environmental Law Institute Planning Committee, December 1988
  • Dallas Bar Association
  • Board of Trustees, Jesuit College Preparatory School of Dallas, Inc.
  • Scribes, The American Society of Writers on Legal Subjects
  • Special Master, Gun Barrel City, Texas, 1996
  • Former Chairman, Board of Trustees, Dallas Heritage Village; 2007-2008
  • Former Member, Board of Trustees, Dallas County Heritage Society
  • Former Member, Ad Hoc Stormwater Panel, Water Resources Council of the North Texas Council of Governments
  • Former Secretary, 101 Club of the Dallas Historical Society
  • Former Member, Board of Directors, Mental Health Association of Dallas
Honors & Awards
  • The Best Lawyers in America guide, Environmental Law, Litigation-Environmental, 1983-2022
  • Chambers USA, Environmental Law, 2003-2021
  • Dallas Litigation-Environmental Lawyer of the Year, The Best Lawyers in America, 2012
  • Recognized Attorney, The Legal 500 United States, Industry Focus: Energy: Regulatory; Industry Focus: Environment – Regulatory, 2015, 2018, 2021
  • Texas Super Lawyers, Environmental, Environmental Litigation, Administrative Law, Tax, 2003-2004, 2006-2020
  • Leading U.S. Environmental & Energy Lawyers, Lawdragon 500, 2021
  • Best Lawyers in Dallas, Environmental Law, D Magazine, 2017, 2018
  • Who’s Who Legal: Texas, Environmental, 2007-present
  • Criminal Justice Act Panelist since November 2001 (has handled more than half a dozen criminal matters, including a week-long trial on alleged sales of guns without a permit, resulting in an acquittal)
  • ICFM Leading Lawyers 500, InterContinental Finance magazine, 2013