Areas of Practice
  • South Texas College of Law, J.D., 2004
  • University of Texas at Austin, B.A., 2000
Bar Admissions
  • Texas, 2004
Court Admissions
  • 5th Cir., 2007
  • 4th Cir., 2012
  • S.D. Tex., 2005
  • N.D. Tex., 2008
  • E.D. Tex., 2009
  • W.D. Tex., 2010
James Ardoin, III
Suite 2900
811 Main St
Houston, TX 77002
713.437.1811 tel
713.437.1810 fax

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James M. "Jimmy" Ardoin, III is a partner in Jones Walker’s Business & Commercial Litigation Practice Group and focuses his practice on white collar criminal and civil litigation. He practices from the firm's Houston office.

Mr. Ardoin has a national practice representing clients in white collar criminal and civil litigation in both federal and state courts across the country. His experience includes representing individuals and companies in high stakes cases, including everything from health care fraud, securities fraud, bank fraud, and violations of federal foreign sanctions laws on the criminal side, to breach of contract, breach of fiduciary duty, and fraudulent transfer of assets on the civil side. In addition to his litigation practice, he also helps companies with their internal investigations as well as responding to governmental investigations that the company might receive.

Mr. Ardoin has been named a Texas Super Lawyer in the area of White Collar Criminal Defense since 2015 and is listed in The Best Lawyers in America® in both White Collar Criminal Defense and Criminal Defense. He is also fellow of both the American Bar Foundation and the Texas Bar Foundation. In addition, Mr. Ardoin is a frequent contributor to news outlets across the country on complex, white collar defense legal issues and has appeared in The Wall Street Journal, the Houston Chronicle, the Dallas Morning News, Yahoo News, the Houston Business Journal, KPRC, KHOU, and many more.


  • Host of "Reasonable Doubt," a legal talk show on Houston Media Source and sponsored by the Harris County Criminal Lawyers Association (October 2014 to present)
  • Listed in the 2018 edition of Texas Super Lawyers in the area of Criminal Defense: White Collar (listed annually since 2015)
  • Listed in The Best Lawyers in America® 2019 (Copyright 2018 by Woodward/White, Inc., Aiken, SC) in the areas of Criminal Defense: General Practice and Criminal Defense: White Collar (also listed in 2018)



  • American Bar Association
  • American Bar Foundation
  • Federal Bar Association
  • The Garland R. Walker American Inn of Court
  • Harris County Criminal Defense Lawyers Association
  • Houston Bar Association
  • National Association of Criminal Defense Lawyers
  • Texas Bar Foundation
  • Texas Criminal Defense Lawyers Association