John P. Cannon

John Cannon is a husband, a father, a soldier, and a counselor.

John is a Combat Veteran and Judge Advocate, in addition to being the owner and founder of Cannon & Associates law firm in Oklahoma. He is dedicated to helping you and your family through the difficult situation you are facing. John published his books to serve those facing the criminals justice system or divorce, whether you ever need his firm's service or not.

John’s experience and reputation will be an asset for you during this difficult time. When you read books written by John Cannon and provided by CANNON & ASSOCIATES, you will never have to face the criminal justice system or divorce without all the available information and you will always understand the process at hand and ahead. Our firm hopes to help you and wishes you and yours the best.

Attorney John P. Cannon graduated from the University of Kansas with a BA in English Literature. After finishing his undergraduate degree, he did a clerkship in Washington, D.C. for the United States Senate. He attended Oklahoma City University College of Law where he clerked for the Oklahoma Court of Criminal Appeals.

After receiving his Juris Doctor (law degree), John was an Assistant District Attorney in Oklahoma, where he prosecuted and tried multiple cases to jury trial.

John gained further criminal law experience as a Public Defender, handling a felony docket, including representing clients through every aspect of the criminal justice system, including jury trial and appeals before the Oklahoma Court of Criminal Appeals. Next, John expanded his experience by becoming an Assistant Attorney General, representing the State of Oklahoma in state and federal court, including arguing before the Tenth Circuit Court of Appeals. He left the Office of the Attorney General to open his firm, CANNON & ASSOCIATES.

John’s practice extends to his military service. He is a Judge Advocate in the Oklahoma National Guard. He has defended Soldiers in all aspects of the military justice system in a reserve and active duty status. He has tried a Court-Martial at Fort Bragg and represented Soldiers during active duty service in Washington, D.C. He continues to serve as Deputy Staff Judge Advocate for the National Guard. He and his firm have represented hundreds of Soldiers and families in both the criminal justice system and family law cases.