Criminal Defense Attorney Houston | Federal Criminal Defense Attorney
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Federal Criminal Investigations & Litigation

Federal offenses involving drugs, guns, conspiracy, and more from investigation to trial.

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White Collar
Criminal Defense

White collar offenses involving fraud, money laundering, regulatory violations and more.

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Complex State Investigations & Litigation

Murder, assault, DWI, intoxication manslaughter, vehicular homicide offenses and other complex felonies from investigation to trial.

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Appeals &
Post-Conviction Relief

Appeals, motions for new trial, and habeas relief in state and federal appellate courts, including the Supreme Court of the United States.

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Award Winning, Board Certified Criminal Defense Attorney

Any lawyer can call themselves a criminal defense lawyer. Only Board Certified lawyers can call themselves specialists. Of the over 100,000 attorneys in the State of Texas, less than 7.5% of them are Board Certified by the Texas Board of Legal Specialization. Brent Mayr is one of them and has been recognized as a leader in criminal law.

In 2021, he was awarded Lawyer of the Year by the Harris County Criminal Lawyers Association. He has also won multiple President’s Awards from the Texas Criminal Defense Lawyers Association.

He has also been named every year since 2014 to Texas Super Lawyers in Criminal Defense, a rating service of outstanding lawyers who have attained a high-degree of peer recognition and professional achievement, selecting the top 5% of criminal defense attorneys in the State to the Super Lawyers list each year.

In 2025, he was named to Super Lawyers Houston Top 100. This exclusive list is separate from Texas Super Lawyers, highlighting an even more limited group of the top outstanding lawyers from over 70 practice areas across the Houston region.

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NOTABLE VICTORIES

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LISTEN TO CLIENTS TELL THEIR STORIES…

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We Work Hard for Our Clients

“I went with my gut on this one and was extremely pleased. Brent was awesome for me and my DWI case! Mr. Mayr is very attentive, informative, and helpful. If I had a question, or 20, he would gladly inform me of ALL my options (positive or negative), and was extremely realistic. My case was thankfully dismissed! If I need a lawyer in the future (which I better not) or anyone I know asks for a referral, I will tell them to speak with Attorney Brent Mayr.”

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…AND CRIMINAL DEFENSE LEGENDS TALKING ABOUT BRENT MAYR

FEDERAL CRIMINAL DEFENSE ACROSS THE UNITED STATES

Licensed to Practice:

  • Supreme Court of the United States
  • United States District Court for the Southern District of Texas
  • United States District Court for the Western District of Texas
  • United States District Court for the Eastern District of Texas
  • United States District Court for the Northern District of Texas
  • United States District Court for the Western District of Oklahoma
  • United States District Court for the Western District of Wisconsin
  • United States District Court for the District of Columbia
  • United States Court of Appeals for the Fifth Circuit

Appeared or Handled Cases Arising Out of these Districts:

  • United States District Court for the District of Colorado
  • United States District Court for the Southern District of Mississippi
  • United States District Court for the Western District of Missouri
  • United States District Court for the Southern District of Ohio
  • United States District Court for the Eastern District of Pennsylvania
  • United States District Court for the Eastern District of New York