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Limitation Period Deadlines:
Statutory Time Limits for Commencing Litigation Proceedings
Last Updated: June 12 2026
Question: What is the limitation period to start a lawsuit in Ontario, and when does the 2-year deadline begin?
Answer: In Ontario, most civil claims must be started within two years under Limitations Act, 2002, S.O. 2002, Chapter 24, Schedule B, and the clock generally begins when the claim is “discovered” (when you knew or reasonably should have known about the loss and that suing is appropriate), though different statutes can set different deadlines. Lippa Legal Services is a Paralegal service supporting clients across Ontario with clear deadline checks, practical next steps, and cost-effective help to act before time runs out, so call (416) 241-4529 to review your limitation period now.
Limitation Periods Are Deadlines Upon the Right to Sue
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.
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.
NOTE: A significant quantity of online searches like “lawyers near me” or “best lawyer in” typically indicates a desire for prompt and skilled legal assistance rather than pointing to a particular title. In Ontario, “licensed paralegals” fall under the same regulatory body as lawyers, the Law Society, and have the authority to represent clients in specific litigation cases. Advocacy, legal evaluation, and procedural expertise are fundamental aspects of this role. Lippa Legal Services offers legal representation within its licensed framework, focusing on strategic placement, evidence preparation, and compelling advocacy aimed at securing effective and advantageous outcomes for clients.