About Mario Del

Mario Del Prado practices criminal law in San Antonio, Texas — He is the owner of Del Prado Law, a firm he established in 2023. The firm focuses on various aspects of criminal law, including DUI and DWI cases, domestic violence, and white-collar crime. Located in the heart of San Antonio, the firm serves clients throughout Bexar County and beyond. He earned his J.D. from St. Mary's University School of Law in 1986, following a B.A.

in History from the University of Texas at San Antonio in 1982. His legal career began shortly after law school, when he took on the role of Assistant District Lawyer in 1984. Over the years, he has held several key positions, including Chief of Major Crimes in 2021 and Chief of the Criminal Trial Division in 2019. His experience in the courtroom has shaped his approach to defending clients. Most of his practice involves representing clients facing serious criminal charges. Cases typically range from DUI offenses to complex white-collar crimes.

He also handles domestic violence cases, advocating for clients in both pre-trial and trial phases. His work often involves negotiating plea deals, preparing for trial, and conducting thorough investigations to build strong defenses. Before establishing his own firm, he spent over three decades as a partner in a prominent law firm, where he developed his skills in criminal defense. His commitment to the field has earned him board certifications in criminal law and as a criminal trial advocate. These certifications reflect his dedication to maintaining high standards in legal practice. Active in the legal community, he serves on the Board of Directors for the San Antonio Criminal Defense Lawyers Association.

He is also a member of the Texas Criminal Defense Lawyers Association and the National College of DUI Defense. His involvement in these organizations keeps him updated on the latest developments in criminal law and enhances his ability to serve clients effectively. With a career spanning nearly four decades, Mario Del Prado has established himself as a respected figure in criminal law. His experience and commitment to justice make him a reliable advocate for those facing criminal charges. He continues to fight for his clients' rights, ensuring they receive the best possible representation in the legal system.

Education

St. Mary s University School of Law

J.D. | Law

1986

University of Texas - San Antonio

B.A. | History

1982

Languages

English (Spoken, Written) Spanish (Spoken, Written)

Experience

Owner

Del Prado Law
2023

Chief of Major Crimes

Bexar County District Lawyer
2021

Chief of the Criminal Trial Division

Bexar County District Lawyer
2019

Partner

Del Prado Law
1991

Assistant District Lawyer

Bexar County District Lawyer
1984

Accepted Jurisdictions

Texas

Court Admissions

Texas State Court State Trial Court

Types of Cases Handled

Criminal Law DUI & DWI Domestic Violence White Collar Crime

Legal Services Scope

Pre-trial Trial

Certifications & Awards

Criminal Law

Texas State Bar

Board Certified Criminal Law

Texas Board Of Legal Specialization

Board Certified Criminal Trail Advocate

National Board of Trial Advocacy

Professional Associations

San Antonio Criminal Defense Lawyers Association

Board of Directors 2012 - Current

San Antonio Criminal Defense Lawyers Association

has membership 2005 - Current

Texas Criminal Defense Lawyers Association

has membership 1991 - Current

National College of DUI Defense

has membership 2005 - 2009

Office Locations

Main Office

 342 W Woodlawn, Suite 302 San Antonio TX 78212