Attorneys & Staff

Lauren Barghols  Hanna
Tenth Floor
Two Leadership Square
211 N. Robinson
Oklahoma City, OK 73102-7103

(405) 552-2343 direct
(405) 228-7343 fax
Practice Areas
Industry Groups
Agriculture and EquineEnergy and Oil & GasHealthcare
  • Oklahoma, 2007
  • U.S. District Court for the Western District of Oklahoma
  • U.S. Court of Appeals for the Tenth Circuit
  • J.D., with highest honors, University of Oklahoma, 2007; Order of the Coif; Submissions Editor, Oklahoma Law Review; Comfort Scholar; Recipient, Oklahoma Bar Association's Land Use Planning Award
  • B.A., summa cum laude, University of Oklahoma, 2004; Phi Beta Kappa; 2003 Big Woman on Campus; President's Leadership Class; Recipient, Rita H. Lottinville Prize; Captain, OU Women’s Rowing Team
Professional Organizations and Memberships
  • Oklahoma Bar Association
  • Oklahoma County Bar Association (Law Day Committee Chair, 2013)
Civic Involvement and Leadership
  • Leadership Oklahoma City - LOYAL Class VI
  • Phi Beta Kappa, Oklahoma Chapter (President, 2012-2013)
  • Leukemia and Lymphoma Society, North Texas and Oklahoma Chapter (Board of Trustees)
  • Legal Aid Services of Oklahoma (Oklahoma City Fundraising Team)
Super Lawyers

Lauren Barghols Hanna



Lauren Barghols Hanna’s state and federal litigation practice is focused on labor and employment law and general civil litigation, particularly in the areas of energy and water rights. Her practice in the area of water rights also frequently involves the representation of landowners in obtaining groundwater and streamwater permits for irrigation, oil and gas industry production, and other beneficial uses.

As a part of her employment practice, Lauren counsels and represents management exclusively in all phases of the employment relationship, including litigation matters involving discrimination and wrongful discharge claims, claims related to employment agreements, and other disputes arising from the workplace. She also works with employers in crafting appropriate employment policies and procedures, employee handbooks, non-disclosure/non-solicitation agreements, employee severance agreements, and releases.

Lauren is a contributing author to the Oklahoma Employment Law Letter and, and has been interviewed by The Oklahoman, served as a guest legal columnist for The Journal Record business newspaper, and spoken at seminars on a variety of employment-related topics.

Lauren’s achievements have earned her inclusion in Oklahoma Super Lawyers.

In addition to her legal practice at the firm, she serves as a volunteer attorney for Oklahoma Lawyers for Children, a nonprofit organization that uses the time, talent and resources of qualified pro bono lawyers and others to represent and assist children in various matters, including parental termination jury trials, before the Juvenile Division of the Oklahoma County District Court. In 2014, the Oklahoma CASA Association, Inc. honored Lauren with its “Attorney of the Year” award for her work with OLFC, citing the integrity and consistency with which she represents her young clients.

Active in the community, Lauren serves on the board of trustees for the North Texas and Oklahoma Chapter of the Leukemia and Lymphoma Society and as secretary for the Oklahoma City Phi Beta Kappa chapter, and is an active member and supporter of the Oklahoma Riversport district.

Representative Experience

  • Represented a trustee in state court bench trial involving various claims against trustee for breach of fiduciary duty. Successfully obtained judgment in favor of the trustee.
  • Represented a national employment services company in an employment arbitration involving claims of wrongful termination based on race/national origin discrimination and violation of the Americans with Disabilities Act. Successfully obtained judgment for the employer on each cause of action.
  • Represented a title insurance company in a state court trial involving bad faith and breach of contract claims by an insured. Successfully obtained judgment in favor of the title insurance company on all claims.
  • Represented large Oklahoma City-based grocery store in intellectual property trademark dispute with California-based nationwide distributor. Obtained partial summary judgment against distributor prior to settlement and obtained consent decree prohibiting California distributor from any further use of client’s trademark.
  • Represented a farming/ranching operator in a complex groundwater permit hearing before the Oklahoma Water Resources Board.
  • Represented a car dealership in a wrongful termination suit brought by a former employee. Obtained summary judgment, affirmed by Tenth Circuit Court of Appeals, in favor of employer.
  • Represented preferred provider organization (PPO) in an arbitration against third-party payor involving breach of contract, fraud, tortious interference, business disparagement and negligent misrepresentation.
  • Obtained summary judgment for an Oklahoma energy company in a multiple-party federal court dispute involving claims of breach of drilling contract and oil and gas lien foreclosures.
  • Obtained summary judgment for a Texas oil company in an operating agreement dispute over liability for drilling costs.
  • Obtained summary judgment for energy client in dispute between natural gas companies involving sale of leases worth $13 million dollars.
  • Obtained declaratory judgment for a realestate developer in a federal court matter involving water rights. In same case, successfully appealed to the Tenth Circuit Court of Appeals an attempt by a rural water district to remove a pending action to federal court.
  • Obtained summary judgment for an Oklahoma healthcare entity in a tortious interference claim brought by a former physician.
  • Represent water rights applicants and permit holders in filing permits, amending permits, and defending streamwater and groundwater applications in front of the Oklahoma Water Resources Board.