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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Mississauga Legal Guides » Criminal Defence & Traffic Offences Mississauga » Violent Crimes, Theft & Drug Offenses Mississauga » How to defend against an aggravated assault charge in Mississauga

How to defend against an aggravated assault charge in Mississauga

23 May 2026 4 min read No comments Violent Crimes, Theft & Drug Offenses Mississauga
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Aggravated assault is the most serious level of assault in the Criminal Code, occurring when a victim is wounded, maimed, disfigured, or their life is endangered. It is strictly an indictable offence carrying a maximum penalty of 14 years in prison, requiring a highly aggressive legal defence strategy.

An aggravated assault charge represents one of the most severe violent crimes prosecuted in the Canadian justice system. ❗ Unlike a simple bar fight that results in a bruised eye, aggravated assault involves catastrophic, life-altering injuries to the complainant. If you are facing this charge in Mississauga, the Crown Attorney will almost certainly be seeking a lengthy federal penitentiary sentence.

Because the stakes are incredibly high, you cannot simply hope to explain the situation away to a judge. Defending against Section 268 of the Criminal Code requires a meticulous legal team capable of challenging medical evidence, cross-examining hostile witnesses, and aggressively advocating for your Charter rights in the Superior Court of Justice.

Step-by-Step Process of Defending Aggravated Assault in Ontario

Because aggravated assault is strictly an “indictable offence” (the Canadian equivalent of a major crime), it cannot be resolved quietly in lower courts. The legal journey is highly structured and requires intense preparation at every single stage.

Step 1: The Contested Bail Hearing

When you are arrested for aggravated assault by Peel Regional Police, you will not be released from the station. You will be held for a formal bail hearing at the A. Grenville and William Davis Courthouse. The Crown will heavily contest your release due to the violent nature of the charge. Your lawyer must present a robust bail plan, often requiring multiple reliable “sureties” (family members who pledge money to ensure you follow strict house arrest conditions).

Step 2: Analyzing the Medical Disclosure

To prove aggravated assault, the Crown must conclusively prove that the victim was “wounded, maimed, disfigured, or their life endangered.” Your defence lawyer will rigorously analyze the medical reports from Mississauga hospitals like Trillium Health Partners. They may even hire independent medical experts to argue that the injuries, while serious, do not meet the legal threshold for “aggravated” and should be reduced to a lesser charge.

Step 3: Conducting a Preliminary Inquiry

Because this is a major indictable offence, you have the right to request a Preliminary Inquiry at the Ontario Court of Justice before your actual trial. This is a crucial strategic hearing where your lawyer gets to cross-examine the main witnesses and the victim under oath to test the strength of the Crown’s evidence before the final jury trial.

Step 4: Trial at the Superior Court of Justice

Most aggravated assault trials are heard in the Superior Court of Justice, often before a judge and jury. Your legal counsel will present your core defence-whether that is arguing strict self-defence, proving mistaken identity, or demonstrating that you did not possess the necessary criminal intent to cause such severe bodily harm.

How Much Does it Cost to Defend Aggravated Assault?

Hiring a senior criminal defence lawyer for a major violent crime is a significant financial investment. 💵 Because these cases require extensive preparation, preliminary hearings, and multi-day trials in the Superior Court, the legal fees are substantially higher than those for minor offences.

Stage of Aggravated Assault DefenceEstimated Cost (CAD)
Bail Hearing & Initial Retainer$3,000 – $6,000
Preliminary Inquiry (1-2 Days)$7,000 – $12,000
Superior Court Trial Retainer$15,000 – $35,000+
Expert Medical Witnesses (If needed)$3,000 – $10,000

If you are entirely unable to afford private legal counsel, you must immediately apply to Legal Aid Ontario. Given the severity of a potential 14-year prison sentence, Legal Aid will generally cover these types of serious indictable charges if you meet their strict financial poverty guidelines.

How Long Does the Process Take?

Major indictable crimes progress slowly. ⏰ Between securing complex medical records, scheduling the preliminary inquiry, and waiting for an available trial date at the Superior Court, an aggravated assault case in the Peel Region routinely takes between 18 to 30 months to reach a final verdict. During this long period, you will likely be living under strict bail conditions.

Frequently Asked Questions (FAQ)

What is the difference between Assault Causing Bodily Harm and Aggravated Assault?

Assault causing bodily harm generally involves temporary injuries that interfere with the victim’s health or comfort, like a broken nose or severe bruising. Aggravated assault requires a much higher threshold of damage, meaning the victim’s injuries are permanent (maimed), deeply scarring (disfigured), or life-threatening.

Is there a mandatory minimum prison sentence?

Currently, there is no mandatory minimum sentence for aggravated assault unless a restricted or prohibited firearm was used during the commission of the offence. However, because it is an indictable offence, judges almost always impose significant federal prison time upon conviction.

Can the victim just drop the aggravated assault charges?

No. In Canada, the victim does not press or drop criminal charges; only the Crown Attorney has that legal authority. Even if the victim signs an affidavit stating they no longer wish to participate, the Crown can legally force them to testify via subpoena.

Can I argue that the severe injury was an accident?

Yes, lack of “mens rea” (criminal intent) is a valid defence. If you committed a minor assault but an unforeseen accident caused the severe injury (e.g., the victim tripped and struck their head on a curb), your lawyer may argue to have the charge reduced to simple assault.

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