Home / Case types / Motor vehicle accidents / Ontario
Car, truck, motorcycle and passenger collisions · ON
Motor vehicle accidents in Ontario
Two claims run in parallel — benefits from your own insurer, and a lawsuit that has to clear a legal threshold.
The most common injury claim in Canada, and the one where the rules change most dramatically depending on which side of a provincial border you were on.
Provincial detail verified 2026-05-01
Two years from discovery
The Limitations Act, 2002 sets a basic two-year period running from the day the claim was discovered — which is not always the day of the accident — with a fifteen-year ultimate bar. Minors and persons under disability are treated differently.
Hybrid: no-fault accident benefits plus a restricted tort claim
Every injured person in an Ontario motor-vehicle accident claims statutory accident benefits from their own insurer regardless of fault — treatment funding, income replacement, attendant care. Separately, a claim against the at-fault driver for pain and suffering must clear a statutory threshold of serious and permanent impairment, and awards are reduced by a statutory deductible that is re-indexed every January. Whether you clear the threshold is a medical-evidence question decided years later, which is exactly why the early treatment record matters so much.
Short fuses in Ontario
The deadlines that end claims long before the limitation period does
These are provincial and they are short. Whether any of them apply to your facts is a legal question — which is the reason we ask about them in the first ten minutes.
- Auto insurer: notify within days of the accident and return the completed benefits application within a short fixed window, or benefits can be delayed or denied.
- Municipal road or sidewalk disrepair: written notice measured in days, not months, under the Municipal Act, 2001.
- Snow and ice on private premises: a written notice requirement under the Occupiers’ Liability Act that catches a large share of winter falls.
- Claims against the Crown, transit authorities and school boards carry their own notice regimes.
What changes the match
Facts that move a motor vehicle accidents file to a different practitioner
Commercial vehicle involvement
A transport truck brings federal and provincial carrier regulation, electronic logging data, maintenance records and a defence team retained within hours. Evidence preservation letters need to go out immediately. This is a narrow specialty.
Whether you were a passenger
Passengers are rarely at fault and often have claims against multiple policies, including drivers they know personally. That is emotionally difficult and legally advantageous, and it needs a lawyer who will explain the distinction properly.
Uninsured or unidentified driver
Hit-and-run and uninsured motorist claims run against your own policy or a provincial fund, with their own notice requirements and evidentiary burdens about the search for the other driver.
Loss of consciousness, even briefly
A few seconds of altered awareness at the scene is the single most under-reported fact in injury intake, and it reframes the file from soft-tissue to possible brain injury.
Whether you have already given a recorded statement
It changes the shape of the file immediately. It is not fatal, but the lawyer who takes it needs to know before they take it.
Pre-existing conditions
Defence counsel will find them. A good firm builds the aggravation argument from the start instead of being surprised by it at discovery.
- Accident-benefits denials and tort claims are genuinely different practices. Some firms are formidable at one and thin at the other; a serious file usually needs both handled well.
- The Licence Appeal Tribunal is where denied benefits are fought. Tribunal volume is a measurable proxy we look at.
- Ontario is the most heavily advertised legal market in Canada. Marketing spend and case results are close to uncorrelated here.
Worth doing now
Early moves that decide how this file ends
- Preservation demands to the other party for vehicle data, dash-camera footage and, in commercial cases, logs and maintenance records — before they are lawfully overwritten.
- Getting the benefits application filed correctly the first time so treatment funding is not interrupted.
- Establishing a consistent, specific treatment record instead of a scattered one, because gaps in treatment are the most reliable discount an insurer ever gets.
Not every collision produces a claim worth running. A low-speed impact with full recovery in three weeks and no income loss usually does not, and in capped or no-fault provinces it may produce nothing beyond benefits. We would rather tell you that in ten minutes than introduce you to someone who will take your file and neglect it.
Ten minutes gets you one name for a Ontario motor vehicle accidents file
The intake asks the Ontario-specific questions above, reads back what it sees, and nothing reaches any firm until you say go.
Same claim, other provinces
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