Limitation Period Deadlines: Statutory Time Limits for Commencing Litigation Proceedings | PKM Legal Services
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Limitation Period Deadlines:

Statutory Time Limits for Commencing Litigation Proceedings



Last Updated: August 27 2026

Question: In Ontario, how do limitation periods affect when I can start a lawsuit?

Answer: In Ontario, limitation periods are the firm deadlines for starting a claim, and if you wait too long your right to sue can be barred for good. Under Limitations Act, 2002, S.O. 2002, c. 24, Sch. B, the general rule is a 2-year period from when the claim is “discovered,” meaning the earlier of when you first knew the key facts or when a reasonable person in your position ought to have known them, with some exceptions depending on the type of claim and whether another statute applies.   If you are approaching a deadline or are unsure when it started, contact PKM Legal Services for practical guidance on limitation deadlines and next steps; call (519) 410-5250 today.

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Limitation Periods Are Deadlines Upon the Right to Sue

Limitation Period Deadlines: Statutory Time Limits for Commencing Litigation Proceedings What are known as limitation periods are merely the time limits that restrict when legal proceedings may be commenced.  Wait too long and the right to start a lawsuit is lost.  In Ontario, the Limitations Act, 2002, S.O. 2002, Chapter 24, Schedule B, provides a general limitation period of two (2) years, with some exceptions, after which a right of action, meaning the legal right to sue, will expire and be lost forever.

Note: Please contact PKM Legal Services by phone at: (519) 410-5250 to discuss any specific questions that you may have.

The Law

The Limitations Act, 2002, statutorily prescribes a two-year limitation period within which a lawsuit must be brought or the right to commence a lawsuit may subsequently become barred whereas it is said:


Basic limitation period

4 Unless this Act provides otherwise, a proceeding shall not be commenced in respect of a claim after the second anniversary of the day on which the claim was discovered.

Discovery

5 (1)  A claim is discovered on the earlier of,

(a)  the day on which the person with the claim first knew,

(i)  that the injury, loss or damage had occurred,

(ii)  that the injury, loss or damage was caused by or contributed to by an act or omission,

(iii)  that the act or omission was that of the person against whom the claim is made, and

(iv)  that, having regard to the nature of the injury, loss or damage, a proceeding would be an appropriate means to seek to remedy it; and

(b)  the day on which a reasonable person with the abilities and in the circumstances of the person with the claim first ought to have known of the matters referred to in clause (a).

Presumption

(2)  A person with a claim shall be presumed to have known of the matters referred to in clause (1) (a) on the day the act or omission on which the claim is based took place, unless the contrary is proved.

The Limitations Act, 2002, as a general statute, may be superseded by other statutes, such as the Insurance Act, R.S.O. 1990, c. I.8, the Real Property Limitations Act, R.S.O. 1990, c. L.15, among others, whereas these statutes directly address certain types of matters where limitation periods specific to those matters are defined.  The primary purpose of limitation periods is to provide peace to potential defendants whereby upon expiry of the time limit, a potential defendant may rest knowing the risk and fear of lawsuit is relinquished and any right of action has become stale or lapsed.  Accordingly, the need to hang onto potential evidence is relieved, and retained legal representation may be discharged.  Essentially, the potential defendant is relieved of further worry or concern whereas once a limitation period has expired, the right to bring legal action is statute barred, meaning forbidden.  If a legal action is commenced outside this period, then the action will likely be struck down as there are few exceptions to limitations rules.

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NOTE: A significant quantity of online searches featuring “lawyers near me” or “best lawyer in” frequently indicates a pressing necessity for competent legal assistance rather than a distinct occupational label.  In Ontario, accredited paralegals fall under the regulation of the same Law Society that governs lawyers and possess the authority to advocate for clients in specific litigation issues.  Core elements of this position include advocacy, legal evaluation, and procedural expertise.  PKM Legal Services provides legal advocacy under its sanctioned mandate/scope, focusing on strategic alignment, evidence preparation, and persuasive representation aimed at attaining efficient and advantageous outcomes for clients.

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