I have more than 40 years of experience safeguarding the futures of Oklahomans and
their families. I’ll ensure
your rights are protected.


    About the Jim A. Lyon Law Firm

    Proudly serving Oklahoma City since 1982

    When you choose the Jim A. Lyon Law Firm in Oklahoma City, you are choosing experience. For more than 40 years, our local law firm has handled cases like yours. We know the path to take to get the results you need.

    Our record of positive results includes numerous wins in complex cases, many involving estate matters and probate law issues. In one published case, 750 P. 2d. 1137, Oil and Gas Rep. 610, we appealed an oil and gas mineral rights case to the Supreme Court level and won.

    We have represented major players in the oil and gas industry. We get a great deal of cases referred to us by fellow attorneys, both local and out of state, who trust us to achieve their clients’ goals. These cases often involve Oklahoma ancillary probates with oil and gas properties, complicated estate matters or other unique and complex issues.

    We keep abreast of changes in the law, are sensitive to our clients’ needs, and are committed to always working at the highest level of professionalism and integrity. Our law firm will give your case the personal attention it deserves and provide legal representation in a timely manner at affordable rates.

    We will work with you to create the most appropriate legal strategy based on the situation and your goals. That may mean negotiating a resolution. It may also mean taking the matter to trial. As our history demonstrates, we are prepared to pursue matters through appeals in order to achieve a positive outcome.

    Contact our Law Firm

    9520 N. May Avenue, Suite 302
    Oklahoma City, OK 73120
    Phone(405) 843-0461
    Fax: (405) 843-5100

    Areas of Practice

    Bar admissions

    • Oklahoma, 1982
    • Texas, 1987
    • U.S. District Court Western District of Oklahoma, 1983
    • U.S. Court of Appeals 10th Circuit, 1987
    • U.S. District Court Northern District of Texas, 1995


    • Oklahoma City University School of Law, Oklahoma City, Oklahoma
      • J.D.
    • West Texas State University
      • B.S.

    Representative Cases

    Representative Clients

    • Penn-Virginia, M.C., L.L.C.
    • XTO Energy Inc., a subsidiary of Exxon Mobil
    • Osage Exploration and Development, Inc.
    • Sail Energy, L.L.C.
    • Metro First Realty, L.L.C.
    • Metropolitan Life Insurance

    Professional associations and memberships

    • Oklahoma Bar Association, Member
    • Texas Bar Association, Member
    • Interstate Oil Compact Commission, Member
    • American Bar Association, Member


    • English
    • Spanish

    Schedule A Free Consultation

    You can reach us by phone at (405) 843-0461 or send us an email to set up a free consultation. Our law firm work statewide throughout Oklahoma and are willing to travel as necessary to resolve your legal issue. In addition to representing Oklahoma residents, we also serve clients nationwide with legal matters in Oklahoma. Se habla español.

    Tell us about your case

      Ethan Moran
      Ethan Moran
      09:36 28 Dec 22
      To my wife and I, our probate case was complicated. Not to Jim! He made it look so easy, and his attention to detail is incredible. Highly recommend to anyone seeking an estate planning lawyer.
      Philippe Joshua
      Philippe Joshua
      17:56 30 Nov 22
      Jim's firm was referred to me by a friend who knew I was looking for an estate planning lawyer. I can't say enough good stuff about him. He's genuine, thorough and highly skilled. Strongly recommend.
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