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John M. Hickey John M. Hickey

John M. Hickey


John Hickey handles litigation matters ranging from commercial litigation and construction law disputes to employment and real estate litigation, as well as construction and employment arbitration. His experience encompasses both federal and state courts in cases involving complex, multi-state commercial lawsuits and bankruptcy proceedings, as well as employment discrimination litigation and complex construction arbitrations.

An experienced 30 year attorney, John serves as the lead shareholder for the Cannabis Law practice. Licensed in Oregon and Oklahoma, John has been working with clients for a number of years in the Cannabis Law area. From walking clients through the license application process to preparing agreements, John is knowledgeable in all aspects of the cannabis business.

In addition, John has provided outstanding representation to myriad clients, including: The McNellie's Group, Bridge Crane Specialist, Zentech, Akins Health Food and Eliot Nelson.

Further, John has an AV Preeminent peer rating through Martindale-Hubbell and has been a panel member of the American Arbitration Association since 2015.


  • University of Indiana (B.A., 1978)
  • University of Tulsa College of Law (J.D., 1985)


  • Oklahoma (1985)
  • Oregon (2016)
  • U.S. District Court for the Eastern, Northern and Western Districts of Oklahoma
  • U.S. District Court for the District of Oregon
  • U.S. Tax Court
  • U.S. Court of Federal Claims
  • United States Supreme Court
  • 2013-Present Hall Estill
  • 2009-2013 Riggs Abney
  • 1991-2009 Barber & Bartz
  • 1988-1991 Assistant General Counsel, Thrifty Rent-A-Car System
  • 1984-1988 Stainer & Stainer
  • Recognized as a Super Lawyer in Oklahoma in Construction Litigation and Cannabis Law
  • Member, Board of Directors, OK POP
  • YMCA, Member, Board of Directors
  • Oktoberfest, Member, Board of Trustees
  • Family Safety Center, Member, Board of Directors
  • Tulsa Area United Way, member, Community Investment Panel
  • Tulsa Rugby Club, coach
  • Member, Leadership Tulsa Class XXVI
  • Former Member, Advisory Board, Leadership Oklahoma
  • Member, American Arbitration Association for Constrution and Employment Roster of Neutrals
  • Oklahoma Bar Association, Member, Cannabis Law Committee
  • Tulsa County Bar Association
  • Oregon Bar Association