Houston Personal Injury Attorney Mark W. Collmer


Mark W. Collmer

Mark W. Collmer began his career at the law firm Vinson and Elkins in 1982. Ten years later, he founded his own civil litigation firm before becoming a founding partner at McDowell Collmer, LLP, in 1996 and finally founding Collmer Law Group in 2004.

Mr. Collmer has extensive civil litigation trial experience in matters ranging from product liability, medical malpractice, and consumer claims to banking, class action lawsuits, and more. He has been involved in hundreds of mediations and was listed as one of Houston’s top lawyers in 2005. Mr. Collmer believes in building personal relationships with all of his clients in order to pursue straightforward legal strategies that get results.


  • University of Texas School of Law, J. D., cum laude, 1982
  • Baylor University, B.A., cum laude, Mathematics and Philosophy 1978


  • Board Certified, Civil Trial Law — Texas Board of Legal Specialization 1989
  • Board Certified,  Personal Injury Trial Law — Texas Board of Legal Specialization 1989
  • 40-Hour Basic Mediation Training — A.A. White Dispute Resolution Center


  • State Bar of Texas, 1982
  • U.S. District Court Southern District of Texas
  • U.S. District Court Northern District of Texas
  • U.S. District Court Eastern District of Texas
  • U.S. District Court Western District of Texas
  • U.S. Court of Appeals, Fifth Circuit


  • Fellow, Texas Bar Foundation
  • Association of Attorney Mediators
  • Texas Association of Mediators, Candidate Member
  • ADR Section, State Bar of Texas Member,
  • ADR Section, American Bar Association

If you have suffered a personal injury in the greater Houston area related to an auto accident, motorcycle accident, commercial trucking accident, or product liabilty, or if you are involved in a legal malpractice or aviation litigation case, contact Collmer Law Group today at (713) 337-4040 to schedule a consultation for your case.