Roger C. Diseker


Roger C. Diseker has extensive experience in both federal and state court representing clients in a variety of matters, including, among others, complex commercial litigation, copyright, trademark and other intellectual property litigation, coverage disputes against insurers, commercial real estate disputes, premises liability, natural gas lease disputes, and legal malpractice defense. Mr. Diseker tries cases in both state and federal courts and argues appeals at the U.S. Fifth Circuit Court of Appeals and various Texas state appellate courts.

  • First chaired a successful jury trial against employee seeking $6 million for workplace injury
  • First chaired jury trial on fraudulent real estate transaction, resulting in a take-nothing jury verdict for the client
  • Briefed arguments in suit successfully vacating arbitration award
  • First chaired jury trial on employee claim for injuries, resulting in twenty-two minute jury verdict for client
  • Briefed trial and appellate arguments in $45 million contempt action against major airline’s illegally striking pilots union. American Airlines, Inc. v. Allied Pilots Association
  • Briefed and argued appeal in defamation case brought by sitting district court judge against local television station
  • Trial and appellate briefing on issue of whether defendant was fraudulently joined to defeat diversity jurisdiction in a $38 million tax indemnity suit
  • Second chaired and handled all trial and appellate briefing for defense of a landmark Americans with Disabilities Act case concerning whether a jazz bar could be forced to ban smoking to accommodate a patron with cystic fibrosis
  • Assisted in preparing case, including briefing and arguing legal issues in a plaintiff’s malpractice claim against a home health care provider resulting in a negligence and punitive damages finding of $4.2 million
  • Tarrant County Bar Association
  • Pro Bono College of the State Bar of Texas, Member, 2015-2017
  • Served on the State Bar of Texas Administrative Rules of Evidence Committee, 2010-2012, worked on the restyling of the Texas Rules of Evidence
  • Top Attorney, 360 West magazine
    • Civil Law | Transactional, 2023
    • Eminent Domain, 2019, 2022
    • Professional Malpractice Non-Medical Defense, 2019-2021
  • Texas Super Lawyers, Thomson Reuters
    • Business Litigation, 2020-2023
  • Top Attorney, Fort Worth Magazine
    • Commercial Litigation, 2022, 2023
    • Civil Law | Litigation, 2012-2020
  • Rated AVĀ® Preeminent by Martindale-Hubbell “Peer Review Rated”
  • Texas Super Lawyers Rising Star, Thomson Reuters, 2007
  • The University of Virginia School of Law, J.D., 1993
  • Midwestern State University, B.A., magna cum laude, 1989
  • State Bar of Texas, 1993
  • U.S. Supreme Court
  • U.S. Court of Appeals, Fifth Circuit
  • U.S. Court of Appeals, Federal Circuit
  • U.S. District Court, Northern District of Texas
  • U.S. District Court, Eastern District of Texas
  • U.S. District Court, Southern District of Texas
Texas Super Lawyers, Thomson Reuters, 2020-2023