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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Family Law & Divorce Ontario » Seeking Leave to Appeal an Interim Family Court Order in Ontario

Seeking Leave to Appeal an Interim Family Court Order in Ontario

13 Jun 2026 5 min read No comments Family Law & Divorce Ontario
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You cannot automatically appeal a temporary (interim) family court order in Ontario. You must first apply for “Leave to Appeal” within a strict 7-day window. To win leave, you must prove there is a conflicting decision by another judge or that there is good reason to severely doubt the temporary order’s correctness.

Family law litigation in Ontario can drag on for years. Because families cannot wait years for a final trial to decide critical issues, judges routinely issue “interim” (temporary) orders. These temporary orders dictate who the children will live with this month, who stays in the matrimonial home, and who pays interim spousal support while the massive legal battle slowly continues.

However, interim orders are often rushed. Judges must make temporary decisions based entirely on sworn affidavits, without hearing live testimony or conducting deep cross-examinations. As a result, temporary orders can sometimes feel deeply unfair or legally incorrect. If you want to appeal a temporary order in Markham, Vaughan, or Kitchener, you face a massive procedural roadblock. You do not have an automatic right to appeal. You must beg the appellate court for permission, known as seeking “Leave to Appeal.” In this detailed guide, we will explore this incredibly difficult legal test. 📍

Step-by-Step Process in Ontario

The rules for appealing interim orders are brutally strict. The courts deliberately make it difficult to appeal temporary orders to prevent endless, expensive delays before the actual final trial even begins. The process is governed by Rule 62.02 of the Rules of Civil Procedure. Retaining a high-level family litigation lawyer is absolutely essential.

Step 1: Understand the Stringent Legal Test

Before you spend thousands of dollars, your lawyer must objectively determine if your case meets the rigorous legal test. To be granted leave, you must definitively prove to a Divisional Court judge one of two things: 📄

Test A: There is a conflicting decision by another judge on the exact same legal matter, and it is highly desirable for the appellate court to settle the confusion.

Test B: There is a “good reason to doubt the correctness” of the interim order, and the specific legal issue is of such immense importance that it requires the appellate court’s immediate attention before the final trial.

Step 2: File the Notice of Motion for Leave

The timeline is terrifyingly fast. You have exactly 7 days from the date the interim order was made to serve and file your Notice of Motion for Leave to Appeal.

If you delay or spend too much time arguing with your ex-partner, you will instantly miss this window. The Notice of Motion must precisely identify the specific errors the judge made and explicitly state which part of the Rule 62.02 legal test you are relying on.

Step 3: Draft the Motion Record and Factum

You cannot simply show up to court and complain that the temporary order is unfair. Your lawyer must draft a comprehensive Motion Record and a highly persuasive written Factum.

The Factum must legally dissect the temporary judge’s ruling, cite specific Canadian case law, and rigorously prove that the judge’s error is so profound that it cannot simply wait to be fixed at the final trial. Your ex-partner’s lawyer will file a Responding Factum aggressively arguing that the temporary order is perfectly fine.

Step 4: Argue the Motion for Leave

You and your lawyer will attend a hearing before a single judge of the Divisional Court. This hearing is not the actual appeal; it is merely the gateway. 🔒

Your lawyer will verbally argue why you deserve the permission to appeal. If the Divisional Court judge agrees that your case meets the strict test, they will formally grant “leave.” Only then can you officially file your Notice of Appeal and begin the actual appellate process.

How Much Does it Cost in Ontario?

Seeking leave to appeal is essentially fighting a mini-trial just to get permission to fight the real appeal. It is highly expensive and carries immense financial risk. 💰

  • Court Filing Fees: Filing a Notice of Motion for Leave at the Divisional Court currently costs approximately $170 CAD.
  • Lawyer Fees (Leave Motion): Drafting the complex Factum and arguing just the leave motion will typically cost between $5,000 and $15,000 CAD.
  • Costs Awards: If you lose your motion for leave, the judge will almost certainly order you to pay a massive portion of your ex-partner’s legal fees (often an additional $3,000 to $7,000 CAD penalty).
Stage of AppealFinancial Cost (CAD)Likelihood of Success
Motion for Leave to Appeal$5,000 – $15,000Very Low (Courts hate delays)
The Actual Appeal (If granted)$10,000 – $25,000+Moderate (Must prove clear legal error)

How Long Does the Process Take?

The requirement to initiate the process is lightning fast: you must file your Notice of Motion within strictly 7 days.

However, getting a date to actually argue the leave motion before a Divisional Court judge may take 2 to 4 months. If you win leave, the subsequent actual appeal process will take an additional 6 to 12 months. Ironically, because this takes so long, many lawyers advise clients to simply push for an expedited final trial instead.

Frequently Asked Questions (FAQ)

What exactly is an “interim” family court order?

An interim order is a temporary ruling made by a judge meant to strictly hold the situation together until a final trial can happen. It includes temporary decisions on who pays the mortgage, who the children live with, and temporary spousal support amounts. Because it is not final, it is incredibly hard to appeal.

What happens if the judge completely denies my leave to appeal?

If the Divisional Court judge denies your motion for leave, the appellate door slams permanently shut. The temporary order remains fully active and legally binding, and you must strictly obey it until the final trial takes place, at which point the trial judge can make a brand new final decision.

Is it better to seek leave or just wait for the final trial?

In 90% of cases, experienced family lawyers will advise you to simply wait for the final trial. Because the Rule 62.02 test is so incredibly difficult to meet, spending $15,000 CAD on a doomed leave motion is often a massive waste of resources that could be spent preparing a bulletproof case for the final trial.

Can I stop paying temporary spousal support while I seek leave?

Absolutely not. Filing a motion for leave to appeal does not pause or “stay” your legal obligations. You must continue to pay the temporary support ordered. If you arbitrarily stop paying, the Family Responsibility Office (FRO) will aggressively garnish your wages and potentially suspend your driver’s licence.

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