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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Mississauga Legal Guides » Accidents & Personal Injury Claims Mississauga » How does partial fault (contributory negligence) reduce your settlement in Mississauga?

How does partial fault (contributory negligence) reduce your settlement in Mississauga?

23 May 2026 4 min read No comments Accidents & Personal Injury Claims Mississauga
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Under Ontario’s Negligence Act, you can still claim compensation even if you are partially at fault for an accident. However, your total settlement will be reduced by your exact percentage of blame-for example, if you are 25% at fault, your final payout is reduced by 25%.

Accidents on busy Mississauga roads like Dundas Street or Winston Churchill Boulevard are rarely black and white. Sometimes, both parties share a portion of the blame for the collision. In Ontario, this shared responsibility is legally known as “contributory negligence.” If you were speeding slightly when another driver suddenly ran a red light, you might worry that you are entirely barred from claiming compensation. Fortunately, Canadian law is designed to be equitable and fair.

Unlike some foreign jurisdictions that prevent you from recovering money if you are even 1% at fault, Ontario follows a comparative fault model. 📍 This means your local Mississauga lawyer can still help you recover damages, but the final amount will strictly reflect your specific share of responsibility. Understanding how insurance companies and courts divide this liability is critical to protecting your financial future.

The Ontario Negligence Act Explained Simply

The rules governing shared fault in our province are outlined in the Ontario Negligence Act. According to this statute, if multiple parties contribute to an accident, the liability to make good on the damage is proportionate to the degree of fault of each person. The court, or the insurance adjusters during negotiation, will assign a specific percentage of blame to everyone involved.

For motor vehicle accidents specifically, insurance companies initially use Ontario’s Fault Determination Rules to assign blame for property damage. 💵 However, when you pursue a personal injury tort claim for pain and suffering, the strict percentages in those rules can be heavily debated and adjusted based on real-world evidence.

How Contributory Negligence Impacts Your Payout

To clearly illustrate how this legal concept works in practice, consider a scenario where a judge determines your total damages (including lost wages and pain and suffering) amount to exactly $100,000 CAD.

Your Percentage of FaultDefendant’s FaultSettlement ReductionFinal Payout Amount
0% (Not at fault)100%$0 CAD$100,000 CAD
25% (Partially at fault)75%-$25,000 CAD$75,000 CAD
50% (Equally at fault)50%-$50,000 CAD$50,000 CAD

Step-by-Step Process to Dispute Partial Fault in Mississauga

Insurance companies frequently attempt to assign contributory negligence to reduce the amount they have to pay you. 📋 Here is how you and your legal team can fight back and protect your settlement.

Step 1: Reviewing the Police Report

Your first step is to obtain the official Motor Vehicle Accident Report from the Peel Regional Police. This document contains the responding officer’s initial assessment of the scene, notes on weather conditions, and any charges laid under the Highway Traffic Act.

Step 2: Gathering Independent Evidence

To successfully challenge an insurance adjuster’s fault rating, you need concrete proof. Your lawyer will help you gather dashcam footage, surveillance video from nearby Mississauga businesses, and statements from eyewitnesses who saw the accident unfold.

Step 3: Negotiating with the Insurance Adjuster

Armed with solid evidence, your legal representation will enter negotiations. 💵 They will present legal arguments demonstrating why the other party bears the majority, or the entirety, of the liability. Often, fault percentages are heavily negotiated during the mandatory mediation phase.

Step 4: Filing a Claim at the Superior Court

If the insurer stubbornly insists you are 50% at fault when you believe you are 0% at fault, you may need to file a Statement of Claim. A judge at the Superior Court of Justice will ultimately listen to expert witnesses and legally determine the exact percentage of contributory negligence.

How Much Does it Cost in Mississauga?

Fighting an unfair fault determination does not necessarily mean paying massive upfront fees. 💰 Most personal injury lawyers in Ontario operate on a contingency basis.

  • Accident Reconstruction Experts: If fault is heavily disputed, hiring an engineer to recreate the crash can cost between $3,000 and $8,000 CAD.
  • Court Fees: Initiating a lawsuit at the Superior Court of Justice costs $239 CAD for the filing fee.
  • Lawyer Fees: You typically agree to pay 25% to 33% of your successfully recovered settlement.

How Long Does the Process Take?

Disputing contributory negligence often extends the timeline of your claim. While a standard claim might settle in 2 years, highly contested liability cases can take 3 to 5 years if they proceed to trial. Remember, the statute of limitations to file your lawsuit in Ontario is strictly 2 years from the date of the injury.

Frequently Asked Questions (FAQ)

Can I claim compensation if I am 90% at fault?

Yes. Under the Ontario Negligence Act, you can theoretically claim the 10% of damages caused by the other party. However, practically speaking, the legal costs may outweigh the minimal settlement.

Do Ontario’s Fault Determination Rules apply to pedestrians?

No, the strict Fault Determination Rules only apply to collisions between motor vehicles for property damage purposes. Pedestrian accidents are evaluated based on ordinary negligence principles.

What if I wasn’t wearing a seatbelt?

Failing to wear a seatbelt is a classic example of contributory negligence. In Ontario, courts typically reduce your total settlement by up to 25% if your injuries were worsened by not wearing one.

Will partial fault affect my Statutory Accident Benefits (SABS)?

No. Standard SABS benefits (like medical and rehabilitation coverage) are available on a “no-fault” basis, meaning you receive them from your own insurer regardless of who caused the crash.

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