Rathwell & Wallison has successfully represented clients across Texas and Louisiana on a comprehensive range of investigation, trial, and appellate matters. The firm has prosecuted and defended complex civil, insurance defense, and commercial litigation matters on behalf of corporations, insurers, and individuals.

Jason R. Grill

GrillJason R. Grill
25511 Budde Road, Suite 601
The Woodlands, TX 77380

Jason's principal area of practice is civil litigation defense representing clients in matters involving products liability, transportation, toxic tort liability (including silicosis claims), personal injury and wrongful death, professional malpractice, construction defects and premises liability. Jason has represented clients at both the trial and appellate stages in State and Federal Court. Jason's representative clients have included product manufacturers and distributors, attorneys and law firms, oil and gas drilling and service companies, trucking companies, doctors, various employers, land developers, homeowners' associations and banks.


Representative Legal Matters


  • Represented various product manufacturers, general contractors, doctors, management companies, energy companies, restaurants and pest control companies in personal injury litigation in State and Federal Court.
  • Represented numerous attorneys and law firms against allegations of professional negligence and breach of fiduciary duty.
  • Served as National Coordinating Counsel for an equipment manufacturer and distributor in the silica litigation.
  • Represented an oil and gas drilling company in a complex explosion case involving a burned and paralyzed plaintiff.
  • Represented a land development corporation in a complex construct defect case surrounding alleged defects in the drainage system of a residential subdivision in which $10 million in damages were sought.
  • Represented the manufacturer of a case packing machine that amputated the operator's arm in a products liability lawsuit in Federal Court where the use of expert testimony resolved the case in terms favorable to the client.
  • Represented an employer against allegations of gross negligence lodged by an herbicide sprayer who developed and passed away from non-Hodgkin's lymphoma allegedly due to exposure to herbicide products.
  • Represented an oil and gas service company in a serious personal injury case where the use of expert medical testimony regarding the viability of pain and suffering/mental anguish damages for a deceased plaintiff that initially survived a serious automobile accident resolved the case in terms favorable to the client.




  • Jason is a member of the State Bar of Texas, the Houston Bar Association, the Defense Research Institute, the Texas Association of Defense Counsel and the Texas Aggie Bar Association


Education and Professional Background


  • Texas A&M University 1994

    Bachelor of Arts in Speech Communication, Magna Cum Laude
  •  Baylor University, J.D. 1997

    While in law school, Jason was voted one of the top ten best advocates in the Strasburger & Price moot court competition
  • Admitted to Practice: Texas 1997

    United States District Courts for the Western and Southern Districts of Texas as well as the Northern District of Florida
  • Presenter of "Conflicts of Interests in Real Estate Transactions"  CLE regarding Real Estate Documents, Workouts and Closings; Sponsored by University of Houston Law Center, Dallas, Texas, March 2001
  • Presenter of "Thapar v. Zezulka: Duty to Warn Clarified?" Texas and Oklahoma Psychological Associations' Joint Annual Convention, Dallas, Texas, September 2000
  • Presenter of "Privileged Communication, Texas Sate Law, Federal Law and the Department of Defense: Texas Psychological Association Annual Convention," San Antonio, Texas, November 1999