Legal Cannon
Led by John P. Cannon, a former Oklahoma prosecutor and Judge Advocate, Cannon & Associates are Your Fierce Advocates. DISMISSAL IS OUR GOAL. Your freedom is our passion. With deep experience on both sides of the courtroom, John Cannon leads a powerhouse team including former prosecutors and lawyers dedicated to protecting your Future, your Freedom, and your Reputation.
We take a strategic, team-based approach to every client’s case—holding weekly team strategy sessions, utilizing in-house investigations, and providing 24/7 access to your case file. We handle everything from federal cases and serious felonies to misdemeanors, including DUI, domestic violence, drug charges, white collar crimes, and violent offenses.
🔹 Proven Track Record of Dismissals & Reductions
🔹 Former Prosecutors - Your Fierce Advocates
🔹 Clear Communication - Real Results.
📞 Call (405) 777-6030 NOW
You’ve Got Questions, We’ve Got Answers!
Legal Cannon
NEW VIDEO: When you’re charged with a crime in Oklahoma, the biggest decision in your case often happens long before a jury is ever picked: do you take a plea deal, or go to trial? What almost no one tells you is how much you’re really trading away when you accept a plea—and how much you’re actually risking if you refuse it. In this video, Oklahoma criminal defense attorney John Cannon breaks down what’s really happening behind the scenes in plea negotiations, how prosecutors use charges and sentencing ranges to push you toward a deal, and the long-term consequences that decision can have on your record, your freedom, your job, and your future opportunities, long after court is over.
5 days ago | [YT] | 3
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Legal Cannon
NEW VIDEO:
If a cop or other public servant has ever yelled “you assaulted me!”, you know how fast things can spiral into a felony charge in Oklahoma. One bad moment can suddenly threaten your job, your gun rights, and even your freedom.
In my new video, “LAWYER: How to Stop Cops When They Claim ‘You Assaulted Me’”, I break down exactly what to do in this scenario and how to stop them!
1 week ago | [YT] | 4
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Legal Cannon
NEW VIDEO ALERT!
A criminal record in Oklahoma can show up everywhere—job applications, housing searches, even school admissions—and it won’t disappear on its own. In this video, attorney John Cannon explains who qualifies for expungement, how the process works, and what steps you need to take to erase your record completely. If your past is still holding you back, this guide shows you the fastest way to finally get a clean slate.
2 weeks ago | [YT] | 2
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Legal Cannon
NEW VIDEO:
Most people FAIL a DUI stop before they even realize they’re being investigated.
Police ask five “harmless” questions designed to make you slip up—even if you’re completely sober.
In today’s video, attorney John Cannon breaks down each question and shows you how to protect yourself without escalating the situation.
If you ever get pulled over, this is info you’ll wish you knew.
👉 Watch here:
1 month ago | [YT] | 3
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Legal Cannon
NEW VIDEO:
Assault With a Deadly Weapon in Oklahoma: In this video, you’ll learn exactly what the State must prove to establish the charge of Assault With a Deadly Weapon under Oklahoma law. Remember, the government has to prove every element beyond a reasonable doubt, and if they can’t, your case can be reduced—or dismissed entirely.
1 month ago | [YT] | 2
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Legal Cannon
NEW VIDEO:
You might think you’re following Oklahoma’s gun laws — but even responsible gun owners are getting arrested for simple mistakes they didn’t know they were making. In this video, former prosecutor and Oklahoma criminal defense attorney John Cannon breaks down 5 hidden firearm rules that could land you in serious legal trouble — even if you have a permit or think you’re protected under “constitutional carry.” https://youtu.be/aKSSXanbdoc
1 month ago | [YT] | 0
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Legal Cannon
NEW VIDEO:
If you’ve just been arrested or accused, and everything feels upside down - Former prosecutor–turned–defense attorney John Cannon explains the five critical moves that can protect your rights, guard your freedom, and keep a bad night from becoming a lifelong conviction. https://youtu.be/viUAYnb7zPI
1 month ago | [YT] | 1
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Legal Cannon
The answer isn’t as simple as most people think. In this video, John Cannon explains the real consequences of both choices and why refusal may sometimes be the smarter move.
3 months ago | [YT] | 1
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