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How long do I have to start a claim?

There is a time limit to sue. Answer two questions to estimate the last day you can start your Small Claims case.

Estimate your last day to start

Nothing you type here is saved or sent anywhere.

The day of the event: a bill that wasn't paid, work that went wrong, or damage to your things.

Example: March 15, 2025

I'm not sure

Check receipts, invoices, texts, emails or bank statements for the date.

If you can't find it, use the earliest date it could have been. That gives you the safest estimate.

When did you first learn about the problem?
The day you knew, or should have known, that you had a loss caused by someone else and that a court case was a fitting way to fix it [VERIFY: exact legal test]. Your 2-year limitation period generally starts on this day.

How the time limit to sue works

Every court case has a time limit to start it. This is called a Limitation periodThe time limit to start a court case. In Ontario it is generally 2 years from when you discovered your claim, under the Limitations Act, 2002. If you miss it, you may lose the right to sue.. If you wait too long, you may lose the right to sue, even if the other side really does owe you.

In Ontario, the basic time limit is 2 years (Limitations Act, 2002). The clock usually starts on the day the problem was Discovered (a claim)The day you knew, or should have known, that you had a loss caused by someone else and that a court case was a fitting way to fix it [VERIFY: exact legal test]. Your 2-year limitation period generally starts on this day.: when you knew about the loss and who caused it. Often that is the same day the problem happened. Sometimes you find out later, for example when hidden damage shows up.

The estimator adds 2 years to that date. If you're not sure when you found out, it counts from the day the problem happened instead. That is the earliest date, so it gives you the safest answer.

To start your case, you file a Plaintiff's ClaimThe court form that starts a Small Claims case (Form 7A). It names the parties, says how much is claimed and why, and comes with a Schedule A. with the court before the last day. Don't leave it to the final weeks. Finding the right legal name, writing your claim and gathering documents take time.

Some situations have different rules [VERIFY]. If your case is unusual, read our guide to limitation periodsor get legal advice.

Questions people ask

How long do I have to sue in Ontario?

Generally 2 years from the day you discovered the problem (Limitations Act, 2002). Some situations have different rules, so read our guide to limitation periods if your case is unusual.

What if I don't know when I first learned about the problem?

Use the day the problem happened. That is the earliest date, so it gives you the safest estimate.

Why does the tool say my claim is urgent?

GoSelfRep flags a problem older than 18 months as urgent. This is our own warning, not a legal deadline. It leaves you time to prepare before the real limit.

What if my date has already passed?

It may be too late to start a claim. Get legal advice now. A lawyer or licensed paralegal can tell you if your claim can still go ahead.

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