Sean Wallis


Sean attended the University of Oklahoma and double-majored in Energy Management and Finance, graduating with distinction. He received his law degree from The University of Oklahoma College of Law, where he was a member of the Oklahoma Law Review. While in law school, Sean also served as a Superior Court Justice for the Student Government Association and was a member of the Energy Negotiations Competition Team.

Sean began his legal career as an associate for Miller Knauff Law Firm, where he successfully handled and managed a large case load, representing a variety of individual and corporate clients, including some on behalf of national insurance carriers, in varying areas of the law. Sean’s experience includes representing clients in a variety of matters including business disputes, fraud, property contests, premises liability and multi-party tort claims. He also represents contractors, architects, and engineers in both residential and commercial construction-defect litigation and arbitration matters, including complex, multi-party cases involving new-build construction projects.

In his spare time, Sean enjoys traveling, hunting, fishing, and spending time with his family and friends.

Representative Experience:

  • Assisted in defending and negotiating a multi-million dollar settlement on behalf of a general contractor in a complex, multi-party construction-defect arbitration involving the construction of a new hotel.
  • Obtained dismissal of construction-defect allegations against a window supplier in the construction of a new home.
  • Successfully defeated a third-party joinder request against a mechanical subcontractor in a large, multi-party construction arbitration involving payment disputes following the renovation of a church.
  • Litigated and successfully resolved construction defect allegations against a concrete subcontractor in a multi-party case involving the construction of a new home.
  • Litigated and successfully resolved a slip-and-fall case on behalf of a large shopping center.
  • Litigated multiple personal injury lawsuits involving premises and other liability claims stemming from accidents.
  • Tried and obtained take-nothing judgment defending a trucking service center against claims arising from faulty tire maintenance.

Bar Admissions

  • Texas

Courts of Admittance and Memberships

  • Northern District of Texas
  • Dallas Bar Association
  • Dallas Association of Young Lawyers


University of Oklahoma College of Law, J.D.

  • Oklahoma Law Review
  • Energy Negotiation Competition Team
  • Student Government Association Superior Court Justice
  • Business Law Society
  • Oil and Gas, Natural Resources, and Energy Law Society


University of Oklahoma, B.B.A., Energy Management and Finance (with distinction)

  • Sigma Chi Fraternity (Annotator)