John P. Cannon

John P. Cannon, the founder of Cannon & Associates, is a dedicated advocate for families and individual freedoms across Oklahoma. His legal practice focuses on criminal defense (DUI, drug crimes and white collar offenses), personal injury law (car accidents) and family law.Mr. Cannon is committed to guiding his clients through difficult periods, focusing on clear and effective communication, ensuring they remain fully informed at every stage of their legal journey. His skill, dedication and respected standing provide essential support to his clientele. Licensed to practice in all Oklahoma state courts, he is also admitted before the U.S. District Courts for the Northern, Eastern and Western Districts of Oklahoma, the U.S. Court of Appeals for the 10th Circuit, and the U.S. Court of Appeals for the Armed Forces.After earning a B.A. (2006) in English literature from The University of Kansas, Mr. Cannon functioned as a clerk in Washington, D.C., for the United States Senate. He then pursued his legal studies at Oklahoma City University School of Law, where he clerked for the Oklahoma Court of Criminal Appeals and led the American Association of Justice Trial team as captain. His legal education was also enriched by participation in international law and trial advocacy programs in Germany. Upon obtaining his Juris Doctor in 2010, he served as an assistant district attorney in Canadian County, Oklahoma, and Garfield County, Colorado, conducting numerous trials.Mr. Cannon further expanded his skill in criminal law as an assistant public defender in Oklahoma County, where he managed a felony docket through all stages of the criminal justice system, including jury trials and appellate proceedings before the Oklahoma Court of Criminal Appeals. Subsequently, as an assistant attorney general, he represented the State of Oklahoma in state and federal courts and argued cases before the U.S. Court of Appeals for the 10th Circuit. He established his private practice, Cannon & Associates, following his service at the Office of the Attorney General.In addition to his civilian legal career, Mr. Cannon acts as a judge advocate in the Oklahoma National Guard. His military roles include defending soldiers within the military justice system, conducting court-martials at Fort Liberty and representing soldiers during active duty in Washington, D.C. His military legal responsibilities extend to advising and representing soldiers in estate planning, family law, divorce, adoption and child custody.