Clayton Matheson

Clayton Matheson

Attorney Photo


Clayton Matheson is a shareholder with the firm and has represented clients in state and federal courts across the country, and has assisted with the drafting of numerous Federal Circuit and other appellate briefs.  He also is particularly experienced in cases alleging legal malpractice, securities fraud, and breaches of fiduciary duty by financial and investment advisors.
In addition, Clayton has maintained a very active pro bono practice.  He has represented clients in pursuing constitutional claims against a school district and a police department stemming from a school resource officer’s alleged use of force against minor schoolchildren.  He currently is representing an incarcerated individual in seeking relief from a 99-year prison sentence that he received for a crime committed when he was only fifteen.  Clayton also has been extensively involved with representing Central American women and children who are seeking asylum in the United States.
Clayton started his career with nearly eleven years at Akin Gump Strauss Hauer & Feld LLP. Before attending law school at the University of Texas, Clayton earned his undergraduate degree from the University of Pennsylvania and then worked for three years in Washington, D.C. as an analyst for the House Committee on Energy and Commerce’s Subcommittee on Oversight and Investigations.


Mr. Matheson focuses his practice on insurance litigation and coverage matters, with an emphasis on professional liability, directors’ and officers’, investment advisers, and CGL policies.  He also handles intellectual property disputes, complex commercial litigation, fiduciary litigation, and contract disputes.

In his insurance practice, Clayton assists both insurance companies and policyholders in first-party coverage disputes.  He also monitors, and often assists in the defense of, third-party claims against insureds.  He has advised primary and excess carriers, as well as reinsurers.  And he regularly assists policyholders in negotiating, procuring, and maintaining complex liability insurance packages, as well as navigating insurance issues that arise when policyholders go through restructurings or bankruptcy proceedings.
In his intellectual property practice, Clayton has deep experience in the law of patent damages, and the interplay between patent and antitrust law.  He also handles trademark and trade secret matters.


  • Chrysalis Ministries, Board Vice President
  • Bexar County Detention Ministries Endowment, Board President
Practice Areas


  • Texas, 2010


  • University of Pennsylvania, B.A. magna cum laude, 2005

    University of Texas Law School, J.D. cum laude, 2010


  • (210) 271-1729 office
  • (210) 271-1740 facsimile