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Michael D. Graves Of Counsel

T 918-594-0443 | F 918-594-0505 | Cell 918-629-3741 |

Resident in Healdsburg, California; licensed in Oklahoma; not currently licensed in California

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Michael Graves is Of Counsel with the firm and his expertise is Environmental Law. He has been with the firm since 1980. He has an individual AV rating through Martindale-Hubbell and has been recognized as the 2021, 2016 and 2014 Best Lawyers Tulsa Environmental Law "Lawyer of the Year," as well as the 2020 Best Lawyers Tulsa Litigation-Environmental "Lawyer of the Year." Further, Michael has been named an Oklahoma Super Lawyer in Environmental Law and Environmental Litigation, as well as a Best Lawyer in America  in Environmental Law and Litigation-Environmental. 

Michael provides advice to industrial and oil and gas companies concerning compliance with environmental laws and regulations. He has handled matters in 28 states and 4 foreign countries, and he is a frequent presenter at environmental law seminars.  Specific experience includes:

  • Coordinating environmental due diligence efforts nationwide for a major industrial client
  • Obtaining the first federal district court judgment holding a transporter liable under CERCLA for selecting the disposal site for its customers
  • Defending a billion dollar class action toxic tort case
  • Coordinating environmental impact statements for major interstate pipeline projects
  • Coordinating the endangered species and cultural resources reviews for a large wind energy project
  • Designing and implementing environmental compliance audit programs for several industrial clients
  • Appearing in cases before the U.S. Supreme Court and seven U.S. Courts of Appeals


  • Washington University School of Law (J.D., Order of the Coif, 1973)
  • University of Tulsa (M.A. in International Relations, 1969)
  • University of Tulsa (B.A. in History and Political Science, with honors, 1967)


  • Oklahoma, 1973
  • Oklahoma Supreme Court
  • U.S. District Court for the Eastern and Western Districts of Kentucky
  • U.S. District Court of the Northern and Western Districts of Oklahoma
  • United States Court of Appeals for the Third, Fourth, Fifth, Sixth, Ninth, Tenth and District of Columbia Circuits
  • United States Supreme Court
Legal Experience
  • 1980 - Present Hall Estill
  • 1978 - 1980 Private practice in Louisville, Kentucky
  • 1973 - 1977 United States Department of Justice in Washington, D.C.
Specialty Areas
  • Water Law
Military Service
  • U.S. Navy - Reserves, 1969-1974; Active Duty, 1970-1971
Community Involvement
  • Former Chair and Current Member of the Hazardous Waste Advisory Council of the Oklahoma Department of Environmental Quality
  • Former President, University of Tulsa Alumni Association
  • Former President, Leadership Tulsa
  • Leadership Oklahoma, Former Board Member
  • Tulsa Ballet, Former Board Member 
Professional Involvement
  • American Bar Association
  • Oklahoma Bar Association - Member, Environmental Law Section
  • Tulsa County Bar Association
Teaching/Lecture Experience
  • Author, "Oklahoma" Chapter of Brownfields: A Comprehensive Guide to Redeveloping Contaminated Properties, 2d. Ed. (ABA 2001)
  • Author, "Oklahoma" Chapter of Environmental Law Practice Guide (1996, Matthew Bender)
Honors & Awards
  • United States Department of Justice Award of Meritorious Service
  • 2016 Best Lawyers Lawyer of the Year - Environmental Law Tulsa
  • 2014 Best Lawyers Lawyer of the Year - Environmental Law Tulsa