John Helms

White collar criminal defense and complex commercial litigation. Founding Partner, Helms, Roberts & Diaz LLP, Dallas, Texas (2010 - 2013) Firm specialized in civil litigation, technology transactions, criminal defense, and immigration. Principal, Fish & Richardson P. C., Dallas, Texas (2003 - 2010) Practice emphasized complex commercial litigation, white collar criminal defense, and patent litigation. Assistant United States Attorney, Northern District of Texas, Dallas Division (2000 - 2003) Prosecuted fraud, violent crime, immigration, and drug crime cases. Handled trial and appellate matters for the firm. Never lost a trial or appeal. Awarded Certificates of Appreciation from the U. S. Postal Inspectors for financial crime prosecutions and from the Executive Office of U. S. Attorneys for review of FBI terrorism reports related to the 9/11 attacks. Partner, Susman Godfrey L. L. P., Dallas, Texas (1994 - 2000); Associate (1991 - 1993) Advocated for plaintiffs and defendants in complex commercial litigation. Took on cases involving intellectual property, corporate litigation, securities, and class action suits. Elevated to partner a year early. Law Clerk to the Honorable Charles Clark, Chief Judge, United States Court of Appeals for the Fifth Circuit, Jackson, Mississippi (1990 - 1991)