Starting a Small Claims Court Case: How to Sue in Small Claims Court Ontario

ARTICLE 31 | SMALL CLAIMS COURT

Primary search phrase: how to sue in Small Claims Court Ontario

General public legal education | Ontario focus with Canada-wide context | Not individualized legal advice

People searching how to sue in Small Claims Court Ontario often want to know where a civil claim begins, what documents are required, and what happens after filing. The process is streamlined, but starting a case still involves legal and procedural choices. This article explains jurisdiction, limitation periods, Form 7A, filing, service, and early steps after a claim is issued.

What Does It Mean to Start a Small Claims Court Case?

Starting a Small Claims Court case means formally beginning a civil action against one or more defendants. In Ontario, an action is generally commenced by filing a Plaintiff’s Claim (Form 7A) with the court. The claim identifies the parties, explains the events giving rise to the dispute, states what the plaintiff is asking the court to order, and usually includes supporting documents.

Filing a claim does not mean that the plaintiff has proven the case. It begins the court process. The defendant must be properly notified and has an opportunity to respond, and disputed facts or legal issues may later be addressed at a settlement conference, motion, assessment, or trial.

How to Sue in Small Claims Court Ontario: Check the Court’s Jurisdiction First

Ontario Small Claims Court generally deals with eligible claims for payment of money or recovery of personal property where the amount or value does not exceed $50,000, excluding interest and costs. That limit has applied since October 1, 2025. Some disputes belong in Superior Court or another tribunal even when money is involved, and specialized statutes may create different procedures.

A cause of action cannot be divided into multiple lawsuits simply to bring each part below the Small Claims Court limit. If a claim exceeds the court’s jurisdiction, the legal consequences of reducing or abandoning part of the claim should be understood before filing.

Consider Limitation Periods Before Filing

A limitation period is a deadline for starting a legal proceeding. Ontario’s Limitations Act, 2002 generally provides a two-year basic limitation period running from the date a claim is discovered, but the Act contains important rules and exceptions. Other statutes may create different deadlines or notice requirements.

Limitation questions can be legally complex. The date of an event is not always the same as the date a claim is legally discovered. Because missing an applicable limitation period can affect whether a claim can proceed, anyone uncertain about a deadline should consider obtaining legal advice promptly.

Identify the Correct Defendant

A Plaintiff’s Claim should identify each person or legal entity being sued as accurately as possible. Ontario’s official guide cautions claimants to name each defendant correctly because business names, corporate names, and sole proprietors are not always interchangeable.

Errors in identity can create complications with service, amendments, or enforcement. Public registries and official records may help confirm legal names.

Choose the Proper Small Claims Court Location

Ontario’s Rules of the Small Claims Court contain territorial rules about where an action should be started. In general, a plaintiff may commence the action in the territorial division where the cause of action arose, where a defendant lives or carries on business, or at the court’s place of sitting nearest to where a defendant lives or carries on business, as permitted by the Rules.

The correct location can depend on the facts and the parties. Court staff can provide procedural information about court locations, but they cannot decide legal questions or provide legal advice.

Complete the Plaintiff’s Claim (Form 7A)

The Plaintiff’s Claim is the document that starts the action. Ontario’s current form asks for information about the court, the parties, the amount or property claimed, interest where applicable, and the reasons for the claim. If there are additional parties or insufficient space for names, the prescribed Additional Parties form may also be required.

The official guide recommends a clear explanation of what happened, including relevant dates, places, and how the amount claimed was calculated. Legal jargon is not required. Supporting documents are generally attached, while originals should be preserved.

File the Claim and Pay the Filing Fee

Ontario permits eligible Plaintiff’s Claims to be filed through the Small Claims Court Submissions Online portal. Filing may also be available in person or by mail. The claim must still be filed in the proper court location. When a claim is accepted and issued, the plaintiff receives an issued or court-stamped version for service on the defendant.

As of August 2026, the filing fee for a claim by an infrequent claimant is $108. Frequent claimants pay a higher prescribed fee, and additional fees may apply at later stages. People who cannot afford court or enforcement fees may be eligible to request a fee waiver. Fees should always be checked before filing because they can change.

Serve the Issued Claim on Each Defendant

Filing the claim with the court is not enough. Each defendant must receive the issued claim and supporting documents in a manner permitted by the Rules. A Plaintiff’s Claim is subject to specific service requirements, including personal service or authorized alternatives to personal service depending on the circumstances and the type of defendant.

Under the current Ontario Rules, a claim generally must be served within six months after it is issued, although the court has authority to extend that time. The person who serves documents should keep detailed notes so an Affidavit of Service (Form 8A) can accurately record who was served, when service occurred, and how it was completed.

What May Happen After Service

A defendant who disputes the claim generally has 20 days after service to serve and file a Defence (Form 9A). If a defence is filed, the court will generally schedule a settlement conference, subject to the Rules and any applicable exceptions. If no defence is filed, the plaintiff may be able to take steps toward default judgment or an assessment of damages, depending on the type of claim and the procedural requirements.

Settlement remains possible at any stage before final judgment. Starting a lawsuit does not prevent the parties from resolving the dispute by agreement.

Important Educational Considerations

• Small Claims Court is a real court. Filing begins a legal proceeding; it does not establish that the plaintiff is entitled to judgment.

• The current Ontario monetary jurisdiction is $50,000, excluding interest and costs, but not every dispute under that amount belongs in Small Claims Court.

• Limitation periods and special notice rules can apply before a claim is filed.

• Correctly identifying the defendant and the proper court location can affect the proceeding.

• An issued claim generally must be served within six months, and service must comply with the Rules.

• The defendant generally has 20 days after service to respond with a Defence.

• Court fees, forms, online systems, and procedural rules can change and should be checked against current official sources.

General Practical Steps

• Use the current Ontario Court Forms website and Ministry of the Attorney General Small Claims Court guide rather than old downloaded forms or unofficial summaries.

• Create a neutral chronology of relevant events and preserve contracts, invoices, receipts, messages, photographs, and other potentially relevant records.

• Confirm the legal names and contact information of the parties using reliable records where available.

• Keep copies of what was filed, what was issued by the court, what was served, and proof of service in separate, clearly labelled folders.

• Track limitation dates, the claim issue date, service dates, and any response or court dates in a calendar.

• Consider legal advice where there is uncertainty about the correct defendant, cause of action, limitation period, court jurisdiction, damages, or service requirements.

Emotional and Family Impact

Beginning a lawsuit can be stressful. The paperwork, uncertainty, cost, and ongoing conflict may affect finances, concentration, and family routines, especially when the dispute involves someone with whom there has been an important relationship.

Keeping court tasks organized can make the process easier to manage. Appropriate personal, community, or mental-health supports may also be helpful alongside legal assistance.

When Professional Assistance May Be Appropriate

A lawyer or licensed paralegal may be helpful where there is uncertainty about the cause of action, forum, defendant, limitation period, damages, service, or special statutory rules. Professional advice may be especially useful in disputes involving multiple parties, government bodies, complex evidence, or claims near the jurisdictional limit.

How Presumption of Innocence Canada May Help

Presumption of Innocence Canada provides public education and moderated discussion groups about Canadian legal processes. PIC can help readers understand general terminology, court stages, and publicly available legal information. PIC does not provide legal representation, individualized legal advice, legal strategy, or an assessment of whether a particular person should start a lawsuit.

Frequently Asked Questions

How do you start a Small Claims Court case in Ontario?

An Ontario Small Claims Court action is generally started by completing and filing a Plaintiff’s Claim (Form 7A), paying the applicable fee or obtaining a fee waiver where available, receiving the issued claim from the court, and serving the issued claim and supporting documents on each defendant in accordance with the Rules.

How much can you sue for in Small Claims Court Ontario?

As of October 1, 2025, Ontario Small Claims Court generally has jurisdiction over eligible money claims and recovery of personal property valued at up to $50,000, excluding interest and costs. The nature of the dispute still matters because some proceedings belong in another court or tribunal.

What form starts an Ontario Small Claims Court lawsuit?

The usual starting document is the Plaintiff’s Claim (Form 7A). Additional forms may be needed depending on the parties or circumstances. Current forms should be obtained from the official Ontario Court Forms website.

Where do I file a Small Claims Court claim?

The Rules provide territorial requirements. A claim may generally be started where the cause of action arose, where a defendant lives or carries on business, or at the permitted court location nearest to a defendant. The correct location should be verified before filing.

How long do I have to serve a Plaintiff’s Claim?

Under the current Ontario Rules, a Plaintiff’s Claim generally must be served within six months after it is issued. The court can extend the time in appropriate circumstances, but the existence of that power should not be treated as an automatic extension.

How long does the defendant have to respond?

A defendant who disputes the claim generally must serve and file a Defence within 20 days after being served with the Plaintiff’s Claim.

What happens if the defendant does not file a Defence?

The plaintiff may be able to ask that the defendant be noted in default and then seek judgment or an assessment, depending on whether the amount is fixed or requires a judge to assess damages. The applicable procedural requirements must still be followed.

Conclusion

Understanding how to sue in Small Claims Court Ontario involves more than filling out a form. Jurisdiction, limitation periods, the proper defendant, court location, Form 7A, filing fees, and service all matter. The process is designed to be accessible, but it remains a legal proceeding. Current official information and, where appropriate, professional advice can help people understand the process and how the law applies to individual circumstances.

Related Educational Resources

• Understanding Small Claims Court in Ontario

• Representing yourself in court in Canada

• Preparing for court when you represent yourself in Canada

• Understanding court forms and documents in Canada

• Organizing your court documents in Canada

PIC Editorial Review

Claims requiring source verification:

• The current $50,000 Ontario Small Claims Court jurisdiction and its October 1, 2025 effective date.

• The current Plaintiff’s Claim filing process, required supporting documents, and territorial jurisdiction rules.

• The current six-month period for serving a claim and the permitted methods of service.

• The current 20-day Defence period and the early steps following a defence or default.

• The current $108 filing fee for an infrequent claimant and available fee-waiver process.

• The general two-year Ontario limitation period and discovery rules, together with applicable exceptions or special notice provisions.

Suggested authoritative Canadian sources:

• Ontario e-Laws for the Courts of Justice Act, Limitations Act, 2002, Rules of the Small Claims Court, and applicable fee and jurisdiction regulations.

• Ontario Ministry of the Attorney General Small Claims Court guides and online filing information.

• Ontario Court Services for prescribed Small Claims Court forms.

• Law Society of Ontario for information about lawyers, licensed paralegals, and referral resources.

Final publication checklist:

• The article is framed as public legal education and does not tell a reader whether to sue or what legal strategy to use.

• The $50,000 jurisdiction is identified as the current Ontario limit and is not presented as a Canada-wide rule.

• The article distinguishes filing a claim from proving a claim.

• Limitation, service, and Defence deadlines are described generally and readers are directed to verify current rules.

• The article does not imply that court staff can provide legal advice.

• Fees and forms are identified as changeable and subject to verification before publication.

• The primary search phrase appears naturally in the title, opening paragraph, a heading, FAQ context, and conclusion without keyword stuffing.