A demand letter is a formal written notice that you are owed something — money, the performance of an obligation, or the cessation of a specific conduct — and that you intend to pursue legal remedies if your demand is not met. In Ontario, demand letters are used in a wide range of disputes: unpaid invoices, contract breaches, security deposit disputes, property damage claims, and more. While a demand letter has no formal legal requirements to be "valid," writing one effectively requires understanding the legal landscape in which it operates.
The Purpose of a Demand Letter
Before drafting, it helps to be clear on what you are trying to achieve. A demand letter serves several practical purposes:
- Creating a paper trail: If you end up in court, a demand letter demonstrates that you gave the other party notice and an opportunity to resolve the matter before suing.
- Triggering the limitations clock: In some circumstances, a demand letter starts or resets the 2-year limitation period under Ontario's Limitations Act, 2002.
- Prompting settlement: Many disputes resolve after a well-written demand letter, especially when the recipient realizes you are serious and knowledgeable about your rights.
- Documenting the dispute: The letter creates a contemporaneous record of your position and the facts as you understand them.
Ontario's Limitations Act: The 2-Year Clock
One of the most important legal considerations when sending (or receiving) a demand letter is the Limitations Act, 2002. In Ontario, most civil claims must be brought within 2 years of the day the claim was "discovered" — the day you first knew, or ought reasonably to have known, that you had a potential claim, who is responsible, and that a legal proceeding would be an appropriate remedy.
There is also an absolute 15-year limitation period in Ontario — regardless of when you discover the claim, you cannot sue after 15 years from the act that gave rise to the claim. In practice, the 2-year period is far more relevant.
Essential Content of an Effective Demand Letter
While there is no prescribed form for a demand letter in Ontario, an effective letter should include:
- Your full name and contact information (or your lawyer's, if represented).
- The recipient's full name and address — accuracy matters, particularly if you proceed to court and need to prove service.
- A clear statement of the facts — what happened, when, and why it gives rise to your claim. Be accurate and factual; avoid emotional language.
- The legal basis for your claim — breach of contract, negligence, unjust enrichment, etc. (you do not need to cite specific cases, but clarity about what legal right you are asserting is helpful).
- A specific and quantified demand — the exact dollar amount you are claiming, or the specific action you are requesting, with a clear calculation or explanation.
- A reasonable deadline for response — typically 10 to 30 days, depending on the complexity of the matter.
- The consequences of non-compliance — a clear statement that you will commence legal proceedings without further notice if the demand is not satisfied.
Tone and Language: Professional, Not Emotional
The tone of your demand letter matters significantly. Courts and opposing parties take professionally written, factual demand letters more seriously than angry, emotional rants. Key tone guidelines:
- Write in a calm, businesslike tone — even if you are extremely frustrated.
- State facts objectively; avoid adjectives that convey moral judgment ("you fraudulently," "your disgusting conduct").
- Do not make threats beyond the legal remedy you intend to pursue. Threatening to "destroy someone's reputation" or contact their employer unless they pay is potentially extortionate.
- Keep the letter focused — one issue, one demand, one deadline. Multiple issues in one letter can muddy the waters and make settlement negotiations more complex.
Small Claims vs. Superior Court: Know Your Forum
In Ontario, the choice of court depends on the amount of your claim:
- Small Claims Court: Claims up to $35,000 (exclusive of costs and interest). A simplified, accessible process where you can represent yourself. Filing fees start at $102 for claims under $1,000 and increase with the claim amount.
- Superior Court of Justice — Simplified Procedure: Claims between $35,000 and $200,000. A streamlined process with limited documentary discovery and a 5-day trial maximum. Can represent yourself or hire a lawyer.
- Superior Court of Justice — Ordinary Procedure: Claims over $200,000 or complex matters requiring full discovery. Legal representation is strongly advisable.
Mention the appropriate court in your demand letter. A credible threat of litigation requires that the threat be realistic — a claim for $5,000 in Superior Court is harder to take seriously than one in Small Claims Court where the process is designed for exactly that amount.
When to Involve a Lawyer
Not every demand letter requires a lawyer, but legal involvement is advisable in several situations:
- The claim is significant (over $10,000–$15,000).
- The legal basis of your claim is complex (involves multiple contracts, professional negligence, or specialized statutes).
- The other party is represented by counsel — a lawyer's letter will carry more weight and ensure you do not inadvertently waive a right or make a damaging admission.
- There is a real possibility of counterclaim — what you say in a demand letter can be used against you.
- You are dealing with a business, corporation, or government entity with significant legal resources.
A lawyer-authored demand letter on a law firm letterhead often resolves disputes more quickly than a self-drafted letter — the implicit message is that the sender is prepared and serious about litigation.