From Pharmacist to Advocate

His professional journey began with specialized medical maintenance training in the U.S. Army. Transitioning to civilian life, he commenced his career in San Antonio as a licensed pharmacist. While dispensing prescriptions, he pursued and attained a law degree from St. Mary’s University. Subsequently, he served as a dedicated Bexar County Assistant District Attorney.

Throughout his tenure, Clem garnered acclaim as a distinguished medical malpractice trial lawyer, earning a legendary reputation in the legal community. He has demonstrated exceptional expertise in litigating cases involving medical negligence, defective medical devices, and pharmaceuticals, contributing significantly to the pursuit of justice in the realm of healthcare law.


  • St. Mary’s University School of Law, LL.B., 1962
  • St. Johns University, B.S., Pharm., 1954
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Admissions, Memberships, Honors

  • Admitted to practice before the U.S. Supreme Court
  • U.S. District Court, Southern and Western Districts of Texas
  • Fraternity: Phi Delta Phi
  • First Recipient: Pat Maloney, Sr. Courage Award, 2007
  • Recipient: Joe Frazier Brown, Sr. Award of Excellence, San Antonio Bar Association, 2014
  • Distinguished Law Graduate Award, Law Alumni Association, St. Mary’s University, 2014
  • Listed in: The Best Lawyers in America®, 1994-2013
  • Named in: Texas Super Lawyers®, 2003 to present
  • President: St. Mary’s Law Alumni Association, 2008
  • San Antonio Bar Association
  • American Bar Associations
  • State Bar of Texas
  • College of the State Bar of Texas
  • San Antonio Trial Lawyers Association
  • Texas Trial Lawyers Association
  • American Association for Justice
  • American Board of Professional Liability Attorneys (Diplomate)
  • American Board of Trial Advocates (Advocate; President, San Antonio Chapter, 1988)
  • American Society for Pharmacy Law
  • Fellows: Texas Bar Foundation
  • International Academy of Trial Lawyers
  • International Society of Barristers
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