For over thirty-five years, this firm has specialized in criminal defense with emphasis on grand jury, trial and appellate practice. Legal excellence and dedication to clients includes such areas as White Collar Fraud; Criminal Tax Matters; Criminal Antitrust; Environmental Crimes; Securities Investigations; Agency and State Licensure Board Matters; as well as homicides, violent crimes and all felonies and misdemeanors. The firm practices throughout the State of Oklahoma in State and Federal Court matters. The firm also practices in numerous other States, both in State and Federal Courts. These have included California, Nevada, Colorado, New Mexico, Nebraska, Texas, Mississippi, Illinois, Michigan, Florida, Iowa, North Dakota and North Carolina. Firm members are active lecturers in continuing legal education seminars throughout the State of Oklahoma for various different groups and bar associations. For over 25 years Martin Law Office has been listed in the Bar Register of Preeminent Lawyers and The Best Lawyers in America . Martin Law Office is also listed as a Super Lawyer in the State of Oklahoma.