John P. Cannon

Attorney Profile

Top Rated Criminal Defense Attorney in Edmond, OK

Cannon & Associates
 | 2133 N Kelly Ave, Suite 100
Edmond, OK 73003
Phone: 405-657-2323
Fax: 405-657-2413
Selected To Rising Stars: 2019
Licensed Since: 2010
Practice Areas:
  • Criminal Defense (60%),
  • Military/Veterans Law (20%),
  • Family Law (20%)
Attorney Profile

The founder of Cannon & Associates, John P. Cannon divides his practice among criminal defense, family law matters and military law. Located in Oklahoma City, he represents clients throughout the greater metropolitan area. Admitted to practice before all Oklahoma state courts, Mr. Cannon is also admitted to practice 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.

In his criminal defense practice, Mr. Cannon assists people who have been charged by the state or federal governments with having committed misdemeanor or felony offenses. The types of cases that he has had experience in handling have included drug possession and trafficking, larceny, forgery, fraud, money laundering and other white collar crimes, sex offenses, robbery, and homicide. Mr. Cannon has also helped military members who are facing general, special and summary court-martial proceedings, and he has represented them in post-trial clemency matters.

Mr. Cannon also represents both civilians and members of the military in family law matters. In addition to divorce, his experience in this regard has encompassed the preparation and review of prenuptial agreements, assisting people whose marriages have already been dissolved to seek modifications to or the enforcement of existing support and parenting orders, and helping domestic violence victims obtain protective orders. Mr. Cannon's successful track record in all these endeavors has earned him a 10.0 "Superb" peer review rating through Avvo.

After obtaining his Juris Doctor from Oklahoma University School of Law in 2010, Mr. Cannon was an assistant district attorney in Garfield County, an assistant public defender in Oklahoma County, and an assistant attorney general with the Oklahoma Attorney General's Office before entering private practice. He is also a judge advocate with the Oklahoma National Guard.

Practice Areas
  • 60%Criminal Defense
  • 20%Military/Veterans Law
  • 20%Family Law
Focus Areas

Arrest & Arraignment, Assault & Battery, Criminal Fraud, Criminal Law, Drug & Alcohol Violations, Expungement, False Accusations, Felony, Juvenile Delinquency, Misdemeanor, Motor Vehicle Offenses, Murder, Parole, Probation, Sex Offenses, Theft, Criminal Domestic Violence, Military & Veterans Law, Military Divorce, Alimony & Spousal Support, Child Support, Custody & Visitation, Dissolution, Divorce, Domestic Violence, Juvenile Law, Paternity, Prenuptial Agreements, Same Sex Family Law, Father's Rights


top-imageSelected to Rising Stars for 1 years

Rising Stars: 2019

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About John Cannon

Admitted: 2010, Oklahoma

Professional Webpage:


  • Selected at Top 40 Under 40 in Criminal Defense by National Trial Lawyers., NTL Top 40 under 40, National Trial Lawyers, 2018

Special Licenses/Certifications:

  • Judge Advocate General's Corps, 2013
  • Member of Court of Appeals for the Armed Forces, 2018

Bar/Professional Activity:

  • Oklahoma Philharmonic Symphony Associate Board, Vice-President
  • Phi Delta Phi, Member
  • Oklahoma Criminal Defense Attorneys, Member
  • Oklahoma County Bar Association, Member
  • Oklahoma Bar Association, Member
  • American Bar Association Criminal Justice Section, Member
  • Judge Advocate General’s Corps, Officer
  • American Bar Association, Member
  • Military and Veterans Law Committee, Member
  • Oklahoma Bench and Bar Committee, Member
  • Oklahoma Supreme Court
  • William J. Holloway Jr. American Inn of Court, Barrister
  • Eastern District of Oklahoma
  • Northern District of Oklahoma
  • Western District of Oklahoma
  • Tenth Circuit Court of Appeals
  • Oklahoma State Courts
  • Holloway Inn of Court member
  • Bench and Bar Committee member

Pro bono/Community Service:

  • Trinity Legal Clinic, 2018
  • Lawyers Helping Heroes an Oklahoma Bar Association Program, 2018

Scholarly Lectures/Writings:

  • Investigative Detention, the Warrantless Seizure of Citizens, Oklahoma Bar Journal, 2016
  • I published an article on Tribal versus Federal Sovereignty and the 10th Circuit case of Murphy v. Royal, which was later heard by the United States Supreme Court., Criminal Justice Panel and publication, Sovereignty Symposium, 2018
  • Baxter a 'Warranted' New Frontier, Oklahoma Bar Journal, 2013
  • Panel discussion concerning military justice, Speaker, Movie Night with the Justices, Oklahoma Supreme Court, 2013


  • Positive verdict for client in Family Law trial, 2018
  • Dismissal of two count Murder in the First Degree case, 2014
  • Acquittal in First Degree Robbery trial, 2013
  • Jury trial acquittal in First Degree Murder Trial, 2013
  • Acquittal in First Degree Burglary and Domestic Violence by Strangulation jury trial., 2016


  • Monthly newsletter to colleagues and clients concerning my practice area and recent legal developments, Cannon & Associates

Educational Background:

  • University of Kansas, B.A., Major: English Literature, Honors: Big XII Conference Commissioner’s honor roll, Honors: Pi Kappa Alpha fraternity, Vice-President, 2006
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Office Location for John P. Cannon

2133 N Kelly Ave
Suite 100
Edmond, OK 73003

Phone: 405-657-2323

Fax: 405-657-2413

John P. Cannon:

Last Updated: 1/8/2020

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