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Attorney Tony Díaz

Perfil del Abogado en Español


Attorney, Tony Díaz is a native Texan and a graduate of the University of Texas at El Paso where he was bestowed a Bachelor of Business Administration degree and the University of Texas at Austin - School of Law where he was bestowed a Doctor of Jurisprudence Degree. Mr. Díaz also holds a Certificate in Mediation from the University of Texas at Austin - School of Laws – Center for Public Policy Dispute Resolution. Mr. Díaz has been in private law practice in Austin, Texas for more than 30 years, practicing in Immigration and Nationality Law, State and Federal Civil Trial Law and Criminal Defense. Mr. Díaz has argued cases before many of the appellate courts throughout the State. Mr. Díaz has appeared in Federal Court in numerous venues and has been licensed in the U. S. Court of Military Appeals, and the U.S. Western and Southern Districts of Texas.

Mr. Díaz has tried numerous civil and criminal cases to juries throughout the State of Texas with favorable results for his clients. In addition to working with clients locally in Austin, Mr. Díaz has assisted clients throughout Texas and has practiced in other states pro hac vice. Mr. Díaz is Puerto Rican, and is therefore fluent in English and Spanish. Mr. Díaz has served on the Board of Directors for charitable and citizens organizations and has worked as a community leader in Austin since his arrival to the University of Texas School of Law School in 1983. Mr. Díaz volunteers his time for organizations like American Gateways, LaFUENTE Learning Center and the League of United Latin American Citizens and The University of Texas School of Law Moot Court Competitions as a judge.

Mr. Díaz and his wife Nena M. Marín de Díaz, Ph.D., a native of Venezuela, enjoy sailing, snorkeling and traveling. Mr. Diaz has lived throughout the United States and Puerto Rico and in Japan, Germany, and France and has visited Venezuela and Mexico.


  • Doctor of Jurisprudence, The University of Texas School of Law, 1986
  • Bachelor of Business Administration, University of Texas El Paso, 1982
  • Certificate in Mediation, University of Texas at Austin – School of Law – Center for Public Policy Dispute Resolution, 2014

Professional License and Court Admissions:

  • State Bar of Texas
  • United States District Court for the Western District of Texas
  • United States District Court for the Southern District of Texas
  • United States Court of Military Appeals

Published Cases:

  • 218 S.W.3d 81; Doe v. Pilgrim Rest Baptist Church (Tex. 2007)
  • 943 S.W.2d 938; Jeffrey Reynald KEIM, Appellant, v. Kathleen C. ANDERSON, Appellee. (Tex. App.)
  • 855 S.W.2d 191; Reyes v. Texas All Risk General Agency, Inc. (Tex. App.)
  • 835 S.W.2d 804; Rosales v. State Farm Mutual Automobile Ins. Co. (Tex. App.)
  • 827 S.W.2d 19; Diaz v. The Attorney General of the State of Texas (Tex. App.)
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The Díaz Firm, PLLC - Austin Immigration Attorney
North Office - 11754 Jollyville Rd. Suite 102 Austin, TX, 78759
Downtonwn Office - 401 Congress Avenue, Suite 1540 Austin, Texas 78701
Phone: (512) 359-3937.
Local: (512) 687-6228.
Website: .