James M. Ardoin III - Houston, TX
Attorney at Ryerson & Associates, P.C. Attorneys and Counselors
Environmental Enforcement & Litigation Lawyers in Houston, TX
Williams Tower 2800 Post Oak Blvd. Suite 5600 Houston, TX 77056
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22
Years
Experience
Houston Environmental Enforcement & Litigation Lawyer
Updated: 05/01/2026
Areas of Practice
- Environmental Enforcement & Litigation
- Corporate Compliance & White Collar Defense
Attorney Information
Overview
From misdemeanors in Texas state courts, to felony white collar crimes in the federal courts, Jimmy Ardoin brings a thorough knowledge of the law, attention to detail, and genuine concern for his clients to each case. Jimmy gained his initial experience with preparing a case for trial when he spent 4 years interning for Fulbright and Jaworski, one of Texas's oldest and most distinguished law firms. While there, Jimmy gained experience defending large corporations in complex civil litigation. Later, Jimmy went to work for Dan Cogdell, applying his experience with handling complex litigation to helping people accused of crimes.
Already in his young career Jimmy has been involved in many high - profile federal trials, including the Enron Nigerian Barge trial. In that case, Jimmy was a part of the only legal team to have obtained an acquittal for an Enron defendant. Just four months after passing the Texas Bar Exam, in his first trial on his own, Jimmy obtained a not-guilty verdict for his client, who had been charged with DWI. Since then, he has tried several more cases to verdict on his own, and as co-counsel.
If you are charged with a crime in either state or federal court, Jimmy's knowledge of criminal law, attention to detail, and genuine concern for clients make him a great choice. He is not afraid to take your case to trial, and he will fight for your rights at every stage of your case.
Education
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Legal Education
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South Texas College of Law Houston,
Houston,
Texas, 2004
J.D.
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South Texas College of Law Houston,
Houston,
Texas, 2004
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Non Legal Education
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University of Texas, 2000
B.A.
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University of Texas, 2000
Current Employment Position(s)
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Of Counsel
Representative Cases
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United States vs. David Bermingham; Southern District of Texas; One of the “Natwest Three” indicted as part of the Enron collapse and extradited from London; negotiated plea deal for 6 months.
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SEC vs. Laura Pendergast Holt and United States vs. Laura Pendergast Holt; Southern District and Northern Districts of Texas; represented the Chief Investment Officer of Stanford Financial in both civil and criminal proceedings; settled SEC case and negotiated a 36 month sentence in the criminal matter.
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SEC vs. Arthur Wammel and United States vs. Arthur Wammel; Eastern District of Texas; represented client on Ponzi scheme allegations by both the SEC and DOJ.
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SEC vs. Furlong; Northern District of Illinois (Chicago); represented client on allegations by the SEC of running a Ponzi scheme in mining operations.
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United States vs. Nouri: Southern District of California; dismissal of indictment for conspiracy to export to embargoed country (Iran)
Bar Admissions
- Texas, 2004
- U.S. District Court Southern District of Texas, 2005
Other Affiliations
- State Bar of Texas
- National Association of Criminal Defense Lawyers
- Harris County Criminal Lawyers Association
- Houston Bar Association
- American Bar Association
- Houston Young Lawyers Association
Photo
Contact
Williams Tower
2800 Post Oak Blvd.
Suite 5600
Houston, TX 77056
Phone: 888-745-4664
Email: Send a message
Website: https://www.ryerson-associates.com
Hours: Monday – Friday: 8:00 AM – 6:00 PM, Saturday: 10:00 AM – 6:00 PM
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