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John Cannon

John Cannon

Cannon Law Firm, PLLC
  • Criminal Law, Divorce, DUI & DWI...
  • Oklahoma, Western, Eastern, and Northern Districts of Oklahoma
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Summary

Cannon Law Firm, PLLC, is a leading criminal defense and family law firm in Oklahoma City founded by Judge Advocate and former Assistant Attorney General, John P. Cannon. Cannon Law Firm, PLLC, provides experienced legal representation in criminal defense as well as family law matters, including divorce and child custody. I work for clients and their families across Oklahoma.
You need professional legal counsel, if you have been arrested or need a family attorney. Your rights are at stake, you need to speak to an experienced attorney today. Cannon Law Firm, PLLC, is dedicated to helping individual clients and their families through difficult times in life. Each case is unique and I have extensive experience with complex and straightforward cases. I am a trial attorney, an advocate, and I will Fight for your Rights.

Practice Areas
  • Criminal Law
  • Divorce
  • DUI & DWI
  • Military Law
Fees
  • Free Consultation
  • Credit Cards Accepted
Jurisdictions Admitted to Practice
Oklahoma
Western, Eastern, and Northern Districts of Oklahoma
10th Circuit
Languages
  • English: Spoken, Written
Professional Experience
Owner
Cannon Law Firm, PLLC
- Current
Judge Advocate
Judge Advocate General's Corps
- Current
Assistant Attorney General
Oklahoma Attorney General's Office
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Litigation Division attorney handling complex torts and employment law cases for a variety of state agencies and department heads in state and federal court.
Assistant Public Defender
Oklahoma County Public Defender's Office
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Handled all aspects of a felony docket, including jury trials, motion practice, investigations, and negotiation.
Assistant District Attorney
Garfield County District Attorney's Office
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Handled all aspects of felony prosecution from assisting in coordination of investigations through jury trial.
Education
Judge Advocate General’s Legal Center and School
JAG | Military Law
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Oklahoma City University School of Law
J.D. (2010)
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Activities: National Trial Team and AAJ Trial Team
University of Kansas
B.A. (2010) | English
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Activities: Varsity Football lettermen
Professional Associations
10th Circuit Bar Association
Member
- Current
Judge Advocate General's Corps
Judge Advocate
- Current
Oklahoma Criminal Defense Lawyers Assocation
Member
- Current
Oklahoma State Bar
Member
- Current
William J. Holloway American Inn of Court
Member
- Current
Publications
Articles & Publications
Investigative Detention, the Warrantless Seizure of Citizens
Oklahoma Bar Journal
Baxter a 'Warranted New Frontier"
Oklahoma Bar Journal
Speaking Engagements
A Night with the Justices: A Few Good Men, Oklahoma History Center
Oklahoma Supreme Court
Legal analysis of the movie A Few Good Men through the lens of the Uniform Code of Military Justice and other applicable military law.
Websites & Blogs
Website
Cannon Law Firm website
Legal Answers
15 Questions Answered

Q. Charged with obstruction of an officer and tased because I was walking to my house after coming home to several authorit
A: You need to speak to a defense attorney about your rights and the process. Excessive force cases have a high standard due to qualified immunity. You should discuss that with a qualified attorney as well.
Q. How do I dismiss a domestic violence case. Can I make a affidavit of non prosecution?
A: The District Attorney’s Office has discretion on how they handle your case. You and your husband need the assistance of an attorney who handles domestic violence cases.
Q. How much time does chain of command have to initiate a statement of charges?
A: You need legal assistance office or a retained attorney to assist you in your FLIPL rebuttal. Not having a signed hand receipt for government property is potentially a valid defense.
Q. What does "it is a defense to prosocution" mean? Specifically in §21-1289.18 D.
A: You need to speak to an experienced criminal defense attorney in Texas, if that is the location of the case at issue.
Q. Can my child's dad take him out of state if no legal papers have been signed?
A: He does not have the authority to take the child out of state. You should mutually or independent initiate a paternity suit in Oklahoma with the assistant of counsel.
Q. My 20 yr old grsndson has been in trouble several times for fights now hes being charged with 1st degree burglary
A: Burglary charges do carrry prison time in Oklahoma, along with all other felony charges. Your family needs experienced criminal defense counsel.
Q. Will this effect me since I want to be a police
A: You need to hire an experienced criminal defense attorney licensed in the state you were arrested. He/she may be able to assist you in resolving the case without negatively impacting your chances of becoming a CLEET certified officer.
Q. Is jail time mandatory for a second DUI?
A: Jail time is not mandatory for a second DUI; however, it is difficult to obtain a probationary sentence without an attorney fighting for you. You should contact an attorney for assistance.
Q. trafficking & gun charges in someones house,but nothing found on me. someone put my id in a purse with bags of marijuan
A: The prosecution has to prove you had dominion and control over the substances in order possession them; however, possession may be actual or constructive under Oklahoma law. The government has the burden, but you need an experienced attorney to fight for your rights.
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Contact & Map
600 West Sheridan
Oklahoma City, OK 73102
USA
Telephone: (405) 888-7369