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We have extensive experience representing clients at every stage of military justice proceedings.


We assist clients with investigation, trial, appeal, and writ of habeas corpus matters in state, federal, or military courts.

San Antonio Texas Criminal & Military Defense Lawyers


Michael C. Gross and Joseph A. Esparza are both board certified in criminal law by the Texas Board of Legal Specialization. Only 1% of all lawyers in Texas meet this standard. They are also board certified in criminal trial advocacy by the National Board of Trial Advocacy.


The firm of Gross and Esparza, P.L.L.C., is located in San Antonio, Texas and is comprised of two attorneys, Michael Gross and Joseph Esparza. From 2013-2019, Gross and Esparza, P.L.L.C. received a Tier One Excellence rating in criminal defense by U.S. News - Best Lawyers "Best Law Firms" rankings. From 2010-2012, this firm's predecessor, The Law Office of Michael C. Gross, P.C., received a Tier One Excellence rating in criminal defense by U.S. News - Best Lawyers "Best Law Firms" rankings. Mr. Gross and Mr. Esparza have successfully fought for the defense of clients accused of criminal matters at trial, on appeal, and on post-conviction writ in state, federal, and military courts throughout the United States. The criminal defense matters in their cases range from driving while intoxicated (DWI) to capital murder to white collar crime. Both Mr. Gross and Mr. Esparza are also experienced, former judge advocates authorized to practice in all military jurisdictions worldwide. Both served as prosecutors while on active duty as well as military defense counsel, and both are thoroughly familiar with criminal defense matters in the military justice, court-martial, and administrative systems.

Mr. Gross and Mr. Esparza have litigated cases throughout Texas for a combined total of 57 years. The lawyers are devoted to the defense of their clients accused of criminal offenses. Each attorney teaches and participates in legal education seminars and conferences on state and federal criminal defense topics for other lawyers across Texas. The firm limits the number of criminal cases accepted so that all clients receive the attention and care that they deserve. Our fees are competitive and based on the degree of complexity of the criminal case, the location of the court, and the experience level of the lawyer handling the matter. The firm represents clients throughout Texas and has represented out-of-state clients in both civilian and military law matters. Military representation is world-wide with representation at a general court-martial as far away as Japan. Mr. Gross is a former judge advocate with the United States Marine Corps (USMC). Mr. Esparza is a former judge advocate with the United States Air Force (USAF).


The firm is devoted 100% to the practice of criminal law, whether the charges are state, federal, or military, to include Article 15 non-judicial punishments, Article 32 investigations and hearings, administrative discharge boards, summary courts-martial, special courts-martial, and general courts-martial. Both Mr. Gross and Mr. Esparza are experienced trial lawyers with a strong trial record both in the civilian and military law arenas. Both Mr. Gross and Mr. Esparza have handled and tried to verdict high-profile death penalty cases and have kept clients off death row or had new clients taken off death row in Texas. This experience is brought to bear on every case accepted by the firm.


Appellate clients seeking to appeal their conviction or clients seeking a writ of habeas corpus to fight their conviction have also enjoyed success with our firm. Mr. Gross has devoted his career to the representation of citizens accused of crimes and has won many accolades for his work. Mr. Esparza is a former Bexar County felony prosecutor and defense counsel who has a reputation for fighting hard for his clients and has a strong track record of success.


Both Mr. Gross and Mr. Esparza are former judge advocates and decorated military defense counsel and both are well versed in military law and have handled all levels of courts-martial, administrative discharge boards, and other adverse actions.


  • Capital Murder

  • Murder

  • Aggravated assault

  • Assault with a weapon

  • Possession of most illegal drugs

  • Possession of more than 4 ounces of marijuana

  • Drug dealing

  • Drug manufacturing

  • Domestic violence

  • Embezzlement over $1,500

  • White collar crime

  • Fraud, including check forgery and identity theft

  • Hit and run resulting in death

  • Sexual assault or aggravated sexual assault

  • Child pornography

  • Child molestation

  • Prostitution

  • Grand theft and grand larceny

  • Unlicensed possession of a prohibited weapon


  • Simple assault

  • Criminal mischief

  • Drug possession of less than 28 grams

  • Marijuana possession  of less than 4 ounces

  • First and second offense DWI

  • Disorderly conduct

  • Embezzlement of $1,500 or less

  • Failure to appear in court

  • Hit and run not resulting in death

  • Reckless driving

  • Driving with a suspended license

  • Theft or shoplifting of $1,500 or less

  • Illegal possession of brass knuckles

  • Violation of a protective order

  • Possession of alcohol under the age of 21

Firm Recognition
  • Best Lawyers in America
  • Best Lawyers/Best Law Firms - U.S. News & World Report
  • Texas Super Lawyers
  • Scene in San Antonio Best SA Lawyers
  • AVVO - 10.0 Superb Rating - Criminal Law, Military Law
  • Texas Board of Legal Specialization - Criminal Law
  • Texas Board of Legal Specialization - Criminal Appellate Law
  • National Board of Trial Advocacy - Criminal Trial Law