Mark E. Killingsworth



Mark E. Killingsworth represents clients in diverse litigation matters involving complex disputes, high exposure claims, class actions, and product liability lawsuits. He has successfully defended clients in jury and bench trials in state and federal courts.

Mark has represented product designers and manufacturers in class action litigation and consolidated multidistrict litigation, as well as in cases involving proprietary trade secrets and Deceptive Trade Practices Act claims. Additionally, he has represented health care clients before numerous federal and state regulatory bodies from coast to coast, as well as in negotiations with Medicare, Medicaid and the Department of Veterans Affairs.


  • Successfully defended taxi defendant at trial to jury verdict, by prosecuting case against State of California for dangerous condition of public property and against plaintiff seeking damages in excess of $70 million for loss of limb and traumatic brain injury.
  • Counsel for automaker in defense of defective airbag claims in ongoing Takata class action litigation.
  • Defense jury verdict for automaker in severe back injury case involving seat design defect claims.
  • Summary judgment for international electrical component manufacturer in action alleging defective component led to catastrophic fire resulting in damages exceeding $5 million.
  • Summary judgment for tire distributor in wrongful death case involving recalled tire.
  • Counsel for automaker in defense of class action claims alleging defective braking systems on hybrid-electric vehicles.
  • Coauthor of "Preparing Your Client for Deposition" chapter in IADC publication


Bar Admissions

  • Texas


  • Texas Tech University School of Law, J.D., 2009, magna cum laude, Estate Planning and Community Property Law Journal – Articles Editor
  • Baylor University, B.B.A., Economics, 2000

Court Admissions

  • U.S. District Court, Eastern District of Texas
  • U.S. District Court, Northern District of Texas
  • U.S. District Court, Southern District of Texas


  • Dallas Bar Association
  • State Bar of Texas