Mario Hoang Nguyen
Criminal Defense Attorney | Former DOJ Prosecutor & Law Clerk To A Federal Judge
Mario Nguyen is a skilled litigator, investigator, and legal scholar. He has over 200 hours of experience trying cases in federal court, has conducted investigations with millions of dollars at stake, and teaches at one of the top 30 law schools in the nation.
Mario served as a Trial Attorney in the Fraud Section of the U.S. Department of Justice’s Criminal Division, an inaugural judicial law clerk to a newly appointed federal trial court judge, and an associate to a former U.S. Attorney in the criminal defense and investigations department of a major global law firm.
Mario’s clients are individuals, public bodies, and companies. He helps them build compliance programs, navigate investigations, respond to subpoenas and search warrants, and litigate complex criminal and civil matters. He has handled matters before federal and state courts, grand juries, special litigation committees, and administrative agencies.
Mario’s experience spans a range of issues, including the Foreign Corrupt Practices Act (FCPA), the False Claims Act, the Travel Act, the Sherman Act, the Clayton Act, the Racketeer Influenced and Corrupt Organizations Act (RICO), the Anti-Kickback Statute, the Stark Law, healthcare fraud, conspiracy, false statement, obstruction, bribery, money laundering, forfeiture, embezzlement, bank fraud, securities fraud, mail fraud, wire fraud, tax fraud, and public corruption.
In addition to teaching as an adjunct law professor at Texas A&M University School of Law, Mario has been published by The Texas Lawbook, The Houston Chronicle, and Law360. He was named one of the Best Lawyers Under 40 and one of the Best Lawyers for White-Collar Criminal Defense by D Magazine, HuffPost’s 40 Latinos Under 40 in Foreign Policy, and the Best Informative Speaker in the U.S. by the American Forensic Association in 2012.
(Licensed in Texas and California. Communications here are not intended as legal advice or to create an attorney-client relationship.)
- White Collar Crime
- Criminal Law
- Criminal Appeals, Drug Crimes, Expungement, Fraud, Gun Crimes, Internet Crimes, Sex Crimes, Theft, Violent Crimes
- Securities Law
- Antitrust Law
- Business Law
- Business Contracts, Business Dissolution, Business Finance, Business Formation, Business Litigation, Franchising, Mergers & Acquisitions, Partnership & Shareholder Disputes
- Health Care Law
- Gov & Administrative Law
- Administrative Law, Election Law, Government Contracts, Government Finance, Legislative & Government Affairs
- California
- State Bar of California
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- Texas
- State Bar of Texas
- ID Number: 24105873
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- English: Spoken, Written
- Spanish: Spoken, Written
- Senior Associate
- Spertus, Landes & Josephs LLP
- - Current
- Spertus, Landes & Josephs is a litigation boutique that has built its reputation for excellence in complex civil litigation and criminal defense.
- Adjunct Professor of Law
- Texas A&M School of Law
- - Current
- Adjunct professor teaching a course in white-collar criminal law.
- Inaugural Judicial Law Clerk
- U.S. District Court for the Southern District of California
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- Inaugural judicial law clerk to a federal trial court judge.
- Trial Attorney
- U.S. DEPARTMENT OF JUSTICE
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- Criminal Division: Fraud Section
- Associate Attorney
- Locke Lord LLP
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- White Collar Criminal Defense & Investigations Department
- S.J.C. Rule 3:03 Counsel
- Harvard Legal Aid Bureau
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- Licensed to practice law, as part of one of Harvard Law School’s three honors societies, exclusively for ?low-income clients in civil matters for two years concurrent to legal education. Drafted all pleadings; ?managed discovery; conducted depositions; negotiated settlements; performed client intake; and argued ?before the Massachusetts Appeals Court, trial courts, family courts, and administrative law tribunals.?
- Summer Associate
- Lieff, Cabraser, Heimann & Bernstein
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- Performed legal research, drafted memoranda, and interviewed clients for plaintiff-side whistleblower qui ?tam litigation.?
- Harvard Law School
- J.D. (2017)
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- Honors: Harvard Legal Aid Bureau Ames Moot Court Semifinalist, Best Appellate Brief
- Activities: Journal on Legislation
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- Western Kentucky University
- B.A. (2012)
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- Honors: Magna Cum Laude
- Activities: WKU National Championship Speech and Debate Team
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- Best Lawyers Under 40
- D Magazine
- D Best: White-Collar Criminal Defense
- D Magazine
- One of the top 25 white-collar criminal defense attorneys by D Magazine.
- 2019 DAYL Leadership Class
- Dallas Association of Young Lawyers
- The DAYL selects approximately 40 young lawyers of all practice areas, firm sizes, and levels of experience to participate in the DAYL Leadership Class, which provides opportunities for young lawyers of all backgrounds to develop relationships with local city leaders and network with one another. The Leadership Class provides a forum to contribute to the operation and improvement of the community. With over 800 alumni, including judges, general counsels, law school professors, city leaders, and law firm name partners, the Leadership Class has been emulated by bar associations across the state and the country and serves as a gateway for leadership among lawyers in the North Texas area.
- William J. Stuntz Memorial Award for Justice, Human Dignity, & Compassion
- Harvard Law School
- The William J. Stuntz Memorial Award for Justice, Human Dignity and Compassion recognizes a graduating student who has demonstrated an exemplary commitment to these principles while at Harvard Law School. The award was created in honor of the late William J. Stuntz, a renowned scholar of criminal justice at Harvard Law School, an evangelical Christian, and a teacher much beloved by students and colleagues.
- Best Brief
- Harvard Law School
- Best brief for the Semi-final Round of the Harvard Law School Ames Moot Court Competition.
- State Bar of Texas # 24105873
- Member
- Current
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- State Bar of California
- Member
- Current
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- From Counsel to Co-Defendant: Beware of the Crime-Fraud Exception
- Dallas Bar Association Headnotes
- White Collar Crime, Dallas, Texas
- The Jury's Still Out
- https://podcasts.apple.com/us/podcast/episode-7-white-collar-crime-ft-mario-nguyen/id1510412637?i=1000489040623
- Website
- More Info About Mario
