About John
John Cannon built his legal foundation over a series of academic steps. He earned a Bachelor of Arts in English from the University of Kansas in 2002. He went on to law program at Oklahoma City University, finishing a J.D. in 2010. After numerous years in practice he attended the Judge Advocate General’s Legal Center and School in 2013, the place he received training in military law and practice.
Cannon’s early profession moved shortly through numerous public service roles. In 2010 he began as an assistant district lawyer in Garfield County. The following year he joined the Oklahoma County Public Defender’s Office as an assistant public defender, handling felony defense on behalf of indigent clients. In 2013 he entered the Judge Advocate General’s Corps and served as a judge recommend. He later took a post in the Oklahoma Attorney General’s Office as an assistant lawyer common in 2016. In 2018 he left authorities employment to open his personal practice, Cannon Law Office, PLLC.
Those roles gave Cannon a mix of trial experience and government-side work. He moved among prosecution-adjacent roles, defense work and army legal practice. He is licensed to practice in state judiciary in Oklahoma and holds federal admissions within the Western, Eastern and Northern Districts of Oklahoma, in addition to the Tenth Circuit. He has maintained membership within the Oklahoma State Bar since 2010 and belongs to professional groups that include the Oklahoma Criminal Defense Lawyers Association, the William J. Holloway American Inn of Court and the Tenth Circuit Bar Association.
Colleagues and clients are probably to come upon in Cannon a lawyer used to shifting contexts. He has written and argued motions in state and federal settings, appeared in public-defense dockets and carried out legal responsibilities constant with service as a judge recommend. That blend gives him practical familiarity with criminal procedure, trial practice and issues that arise when army service intersects with felony and administrative law.
He runs Cannon Law Office, PLLC, a firm he founded in 2018. The workplace handles matters across state and federal boards and continues to represent clients in criminal protection, military law things and associated federal judiciary work. His current practice makes a speciality of criminal defense, army legal representation and legal proceedings in Oklahoma state and federal courts.
