Attorney Profile

Matthew Ammerman is a 1997 graduate of the University of Texas School of Law, and he received his bachelor’s degree cum laude in 1993 from Southwestern University in Georgetown, Texas. Licensed in Texas, he defends maritime claims across the country — state court, federal court, and before federal administrative law judges. Matthew works with local counsel to defend Jones Act and vessel negligence lawsuits in jurisdictions outside of Texas.

For over 19 years, Matthew has concentrated on the defense of maritime employers and insurance carriers.

» Won dismissal of seaman’s lawsuit brought in subrogation and successfully defended judgment on appeal to the U.S. Court of Appeals for the Fifth Circuit.

» Defended contractor against lawsuit by spouse of worker killed offshore and operator’s cross-claim for contractual indemnity.

» Represented insurer as lead counsel in defense of maritime first-party insurance claim resolved within weeks of filing.

Matthew regularly lectures on maritime topics and is a member of the University of Texas Admiralty and Maritime Law Planning Committee. He is a member of the Maritime Law Association and Houston Bar Association, and he was the assistant editor of The Longshore Newsletter from 1998 to 2010.

Matthew is a member of St. Matthew's United Methodist Church. He is active in the Houston Bar Association’s Legal Line volunteer program providing free legal advice to members of the community. When not practicing law, he can be found ranching in Central Texas.

*Results depend on the facts of each case and no results are guaranteed.
“Clients want a responsive lawyer who promptly returns emails and calls and is devoted to closing their case. Preparation most often yields that result.”


  • Juris Doctor (J.D.), 1997, University of Texas School of Law

  • Bachelor of Arts (B.A.) cum laude, 1993, Southwestern University

Martindale-Hubbell Rating

AV Preeminent (4.9 out of 5)

Court Admissions

  • U.S. Supreme Court
  • U.S. District Court for the Southern and Eastern Districts.
  • U.S. Court of Appeals for the Fifth Circuit
  • U.S. Court of Appeal for the Sixth Circuit
  • U.S. Court of Appeal for the Ninth Circuit
  • All Texas state courts
  • U.S. Office of Administrative Law Judges