John R. Henderson Partner

John is a board certified civil trial lawyer and member of the prestigious American Board of Trial Advocates. Clients facing mass tort litigation benefit from John’s substantial scientific knowledge across medical disciplines and from his experience in complex, multiparty litigation. He has acted as national or regional coordinating counsel for companies engaged in large numbers of product liability or toxic exposure cases involving friction materials, medical devices, pharmaceuticals and chemicals. And he has served as a member of his clients’ national science teams responsible for preparing cross-examination materials and key defense experts.

John concentrates his practice on product liability, mass torts, premises liability, business torts, corporate issues, construction claims and contract disputes. In the commercial space, he has served as regional counsel for clients on business dispute issues, including franchise/distributor and business tort matters.

John’s experience with toxic tort and product liability cases involves a range of products and substances, including medical devices such as breast implants, TMJ implants and Norplant; pharmaceuticals such as fen-phen, L-tryptophan and PPA (phenylpropanolamine); substances such as asbestos, benzene, DBCP, formaldehyde and PCBs; and products such as tires, automotive component parts and tools. As part of his mass tort experience, John has been responsible for the development, presentation, cross-examination and Daubert challenge of scientific experts. Many of his engagements have involved large-scale, document-intensive cases requiring the use of electronic databases.

John is among a select group of attorneys trained in crisis communications and media relations, and he is skilled in dealing with the media on behalf of companies involved in high-profile litigation.

John is a senior fellow of the Litigation Counsel of America, a trial lawyer honorary society composed of less than one-half of one percent of American lawyers who are selected based on excellence and accomplishments in litigation at the trial and appellate levels, and superior ethical reputation. Senior fellow status is reserved for advanced commitment to and support of the society, Diversity Law Institute and Trial Law Institute.

  • Texas
  • U.S. Court of Appeals for the 5th Circuit
  • U.S. District Court for the Eastern District of Texas
  • U.S. District Court for the Northern District of Texas
  • U.S. District Court for the Southern District of Texas
  • U.S. District Court for the Western District of Texas

Member, College of the State Bar of Texas

Selected for inclusion in The Best Lawyers in America, Personal Injury Litigation - Defendants, 2021-2023; Product Liability Litigation, 2023; Woodward/White, Inc., 

Selected for inclusion as a "Leading Lawyer," Product Liability, Mass Tort and Class Action: Toxic Tort – Defense, Texas, Legal 500 US, 2018

Senior Fellow, Litigation Counsel of America

Board Certified, Civil Trial Law, Texas Board of Legal Specialization

Associate, American Board of Trial Advocates

AV Preeminent, Martindale-Hubbell

  • Texas Tech University School of Law, JD, Order of the Coif, 1975
  • The University of Texas at Austin, BBA, 1972

American Bar Association, Litigation Section

State Bar of Texas, Litigation Section

Dallas Bar Association, Business Litigation Section

Life Fellow, Texas Bar Foundation

Charter Fellow, Dallas Bar Foundation

International Association of Defense Counsel

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