Hal W. Ellis

Hal W. Ellis

Managing Partner
Stillwater, Oklahoma

HAL WM. ELLIS practices in the areas of business organizations, tax-exempt organizations, trusts and probate, estate and tax planning and tax deferred exchanges.  Mr. Ellis received his B.B.A. (concentration in Accounting) and M.B.A. degrees from the University of Central Oklahoma and his J.D. degree from the University of Oklahoma.  He is a former member of the Professional Responsibility Tribunal, State of Oklahoma (1981-88).  Mr. Ellis is a former member of the Court on the Oklahoma Judiciary, Appellate Division and a current member of the Payne County (President, 1986), Oklahoma and American Bar Associations; he was a member of the Board of Governors of the Oklahoma Bar Association from 1993-1995; he is also a Fellow of the American Bar Foundation and former Trustee President of the Oklahoma Bar Foundation. Mr. Ellis is a Fellow of the American College of Trust and Estate Counsel where he served as the State Chair of Oklahoma.

Areas of Practice

  • 40% Estate Planning, Wills & Trusts
  • 10% Probate and Estate Administration
  • 30% Trust Administration and Fiduciary Litigation
  • 10% Business and Tax Planning
  • 10% Non-Profit and Tax Exempt Organizations

Litigation Percentage

  • 20% of Practice Devoted to Litigation

Bar Admissions

  • Oklahoma, 1974
  • U.S. District Court Western District of Oklahoma
  • U.S. District Court Northern District of Oklahoma
  • U.S. Court of Appeals 10th Circuit
  • U.S. Tax Court, 1975


  • University of Oklahoma College of Law, Norman, Oklahoma
    • J.D.
    • Law Review: American Indian Law Review, Editor, 1972 - 1974
  • University of Central Oklahoma, Edmond, Oklahoma
    • B.B.A. - 1971
    • Major: Accounting
  • University of Central Oklahoma, Edmond, Oklahoma
    • M.B.A. - 1974

Published Works

  • Asset Protection Planning (co-author), Oklahoma Bar Journal, 78: 15, 2007
  • Tax Deferred Exchanges Under Internal Revenue Code §1031, Oklahoma Bar Journal, 74: 27, 2003
  • Capital Gains on Sales of Undeveloped Realty - Three Alternatives, The Tax Advisor (AICPA), 1977
  • Exclusion of Earnings on Allotted Indian Land from Federal Income Taxation, American Indian Law Review, Vol. II, No. 1, 1974

Representative Clients

  • OSU Center for Innovation and Economic Development
  • Kerns Construction Companies
  • Squires Landing Apartments, LLC
  • Knotts Investment Company


  • Guardianships Contrasted with Revocable Trusts, Oklahoma Bar Association CLE
  • Trust Admin.-Cy Pres and Equitable Deviation, Oklahoma Bar Association CLE
  • Fundamentals of Will Drafting, Institute for Paralegal Education
  • Defining Estate Administration, Institute for Paralegal Education
  • Basic Tax Free Exchanges, Oklahoma Bar Association CLE
  • Exempt Organizations – Ethical Considerations, Oklahoma Bar Association CLE
  • Exempt Organizations – Charitable Giving Planning Techniques, Oklahoma Bar Association CLE
  • Basic Principles of Estate Planning, Oklahoma Bar Association CLE
  • Selected Ethics Issues in Probate, Oklahoma Bar Association CLE
  • Choice of Business Entity in Oklahoma: How to Do It Right, National Business Institute, 2001 - Present

Honors and Awards

  • Fellow, American College of Trust and Estate Counsel, State Chair of Oklahoma
  • Fellow, American Bar Foundation and Trustee

Professional Associations and Memberships

  • American Bar Association, Fellow, 1996 - Present
  • Super Lawyer – Oklahoma, 2008 - Present
  • Best Lawyers – Oklahoma, 2008 - Present
  • Oklahoma Turnpike Authority, Member, 2001 - 2008
  • Oklahoma Bar Foundation, Fellow, Board of Trustees and President (2006)
  • American College of Trust and Estate Counsel, Fellow (State Chair: 2001-2006), 1996 - Present
  • Oklahoma Bar Association Board, Governor, 1993 - 1995
  • Payne County Bar Association, President (1986), 1986 - Present

Past Employment Positions

  • Oklahoma State University, Associate Professor, 1975 - 1986


  • Phi Delta Phi