In Ontario, overcoming the “open court principle” to seal a family court file is exceptionally difficult. You generally must prove a serious risk to an important public interest-such as protecting vulnerable children or highly sensitive psychological records-before a judge at the Superior Court of Justice will block public access to your divorce file.
Understanding the Open Court Principle in Ontario Family Law
Going through a separation is already an incredibly emotional and stressful experience. When couples in cities like Toronto, Mississauga, or Ottawa realise that their family court files are generally accessible to the public, anxiety often skyrockets. It is a fundamental rule in the Canadian justice system that court proceedings are open to the public. This “open court principle” ensures transparency, accountability, and fairness in how judges apply the law, meaning your financial statements and allegations are usually a matter of public record.
Many spouses naturally want to hide their private affairs from nosey neighbours, curious colleagues, or the media. 📝 However, embarrassment or a desire to protect your reputation is never enough to secure a sealing order. The Supreme Court of Canada has established a very strict legal test (known as the Sherman Estate test) that makes it incredibly difficult to seal a file. You must prove that public access poses a serious risk to a public interest that heavily outweighs the public’s right to open courts.
Attempting to seal your family court file requires meticulous legal strategy. The court will always look for the least restrictive measure possible. Instead of sealing the entire file, a judge might order a publication ban, the redaction of specific bank account numbers, or the anonymisation of the parties’ names (using initials). Understanding the step-by-step process is critical if you believe your family faces a genuine risk from public disclosure.
Step-by-Step Process to Request a Sealing Order
Securing a sealing order in Ontario is a complex procedural task. Whether your matter is in the Superior Court of Justice in Brampton or the Family Court in Hamilton, the steps generally follow this strict path.
Step 1: Evaluate the Legal Test with a Lawyer
Before filing any paperwork, you and your family lawyer must honestly assess your situation against the Sherman Estate test. You must prove three things: court openness poses a serious risk to an important public interest; the sealing order is necessary to prevent this risk; and the benefits of the order outweigh its negative effects. Protecting the psychological safety of a child or shielding a victim of severe domestic violence are examples where a judge might agree.
Step 2: Draft the Notice of Motion and Affidavit
To ask the court for a sealing order, your lawyer will draft a Notice of Motion (Form 14) and a highly detailed sworn Affidavit (Form 14A). 🗂 Your affidavit is your evidence. It must contain concrete facts, not just vague fears. If you are trying to protect highly sensitive medical records or proprietary business trade secrets during a spousal support dispute, you must clearly outline exactly how disclosure will cause irreparable harm.
Step 3: Serve the Opposing Party and the Media
A sealing order is not a secret process. You must serve your motion materials to your ex-partner so they have a chance to respond. Furthermore, because a sealing order impacts the freedom of the press, the court sometimes requires you to provide notice to the media so that journalists have the opportunity to attend the hearing and argue against the sealing order.
Step 4: Attend the Motion Hearing
Finally, your lawyer will argue your motion before a judge at the Superior Court of Justice. 👥 The judge will meticulously weigh your right to privacy against the democratic necessity of open courts. If the judge agrees, they will issue a formal Court Order. It is highly likely the judge will only grant a partial sealing order, redacting only the most sensitive paragraphs while leaving the rest of the divorce file public.
How Much Does it Cost in Ontario?
Pursuing a sealing order is an expensive procedural detour in your family law case. Here is an overview of the typical costs in Canadian dollars (CAD) as of May 2026:
- Court Filing Fees: Filing a standard Notice of Motion in the Ontario Superior Court of Justice typically costs around $181 CAD.
- Lawyer Fees: Because sealing orders require complex constitutional and privacy arguments, drafting the motion and arguing it usually requires 15 to 30 hours of legal work. At an average rate of $400 CAD per hour, expect legal fees between $6,000 and $12,000 CAD just for this specific motion.
- Cost Consequences: In Ontario family law, the “loser pays” principle generally applies. If your ex-partner opposes the sealing order and you lose the motion, the judge may order you to pay a portion of your ex-partner’s legal fees for having to respond to it.
How Long Does the Process Take?
Family courts in Ontario are currently facing massive backlogs. If you are requesting a sealing order on an urgent basis (for example, to protect a child in immediate danger of having highly sensitive psychological records leaked), your lawyer can request an emergency, temporary sealing order which can be heard in a matter of days.
However, for standard motions, the timeline is much slower. 📅 Once your lawyer files the motion, it generally takes between 2 to 5 months to get an available court date to argue the matter in front of a judge. During this waiting period, your file usually remains public unless the court grants an interim protective order.
Comparing Protective Measures in Family Court
| Protective Measure | What it Does | Difficulty to Obtain |
|---|---|---|
| Full Sealing Order | Locks the entire physical and digital file. No one but the parties can access it. | Extremely High. Rarely granted. |
| Publication Ban | The file remains open to the public, but the media is legally forbidden from publishing details. | High. Often used to protect the identity of children. |
| Redaction Order | Blacks out specific sensitive information (like SIN numbers or bank accounts) from public view. | Moderate. Courts prefer this as the least restrictive option. |
| Anonymisation | Replaces names with initials (e.g., A.B. v C.D.) to protect identities on public databases like CanLII. | Moderate. Common in cases involving severe abuse or minors. |
Frequently Asked Questions (FAQ)
Can I seal my divorce file just because I am wealthy or famous?
No. Ontario courts have repeatedly ruled that public embarrassment or the desire to keep wealth private is not a valid reason to seal a court file. You must prove a serious risk to an important public interest, not just personal discomfort.
Are child protection (CAS) files open to the public?
No. Unlike standard divorce files, cases involving the Children’s Aid Society (CAS) under the Child, Youth and Family Services Act are subject to strict, automatic confidentiality rules and publication bans to protect the highly vulnerable children involved.
What happens to my financial statements (Form 13/13.1)?
In Ontario, sworn Financial Statements are required to determine spousal support and child support. These forms generally become part of the public court record. However, you can request that specific, sensitive attachments (like proprietary corporate tax returns) be sealed or heavily redacted.
If I settle out of court, does my agreement become public?
Generally, no. If you negotiate a Separation Agreement privately using lawyers, mediation, or arbitration, the contract remains entirely private. It only becomes part of the public record if one party later files it with the court to enforce it or change it.
Can a judge seal the file on their own without me asking?
While judges have the inherent jurisdiction to control their own courtrooms, they rarely issue sealing orders unprompted due to the heavy burden of the open court principle. It is almost always up to the parties to bring a formal motion to request privacy protections.
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