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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Family Law & Divorce Ontario » Resulting Trust Claims on a Joint Investment Account Funded by One Partner in Ontario

Resulting Trust Claims on a Joint Investment Account Funded by One Partner in Ontario

27 Jul 2026 4 min read No comments Family Law & Divorce Ontario
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If you fund a joint investment account entirely with your own money, Ontario law presumes a resulting trust exists. Your common-law partner does not automatically get half, and to recover your funds legally, you may need to file an Application at the Superior Court of Justice.

During a relationship, unmarried couples often open joint bank accounts or lucrative investment portfolios like Questrade, Wealthsimple, or mutual funds to manage their day-to-day finances together 💰. However, when separation inevitably occurs, dividing these pooled assets becomes highly contentious, especially if only one person deposited all the funds.

In Ontario, placing your personal money into a joint account does not automatically mean you are gifting half of it to your common-law partner . Instead, family law heavily relies on the legal presumption of resulting trust. This concept assumes that the person who initially deposited the money into the account still rightfully owns it. The non-contributing partner has the burden to prove that a genuine gift was intended if they want to keep a share of the cash.

Step-by-Step Process for Resulting Trust Claims in Ontario

Whether you are separating in London, Kitchener, or Mississauga, navigating the division of joint accounts follows a specific legal pathway 📍. If you cannot agree on who rightfully owns the money, you will need to engage the family court system.

Step 1: Freezing the Joint Account Immediately

The first critical step is preventing the other partner from maliciously draining the funds. You should immediately contact your bank, credit union, or brokerage to freeze the joint account. Most financial institutions in Canada will freeze the assets immediately if they receive written notice of a separation dispute, protecting the money until a legal agreement is reached.

Step 2: Tracing the Exact Source of Funds

You must gather extensive financial records to prove your resulting trust . You need to prove that 100% of the deposits came from your sole income, an inheritance, or personal savings. Bank statements spanning the entire duration of the joint account, along with pay stubs and wire transfer records, are absolutely essential.

Step 3: Filing the Legal Application

If your ex-partner refuses to release the funds back to you, you must file a Form 8: Application (General) at the Superior Court of Justice. In your application, you will explicitly plead a resulting trust, asking the family court judge to declare that the money belongs solely to you and order the financial institution to release it.

Step 4: The Discovery and Questioning Process

Both parties will formally exchange financial disclosure through a Form 13.1 Financial Statement. In Ontario, your lawyers may also conduct Questioning (similar to a deposition), where your ex-partner will be asked under oath why they believe they are entitled to the money. They may try to rebut the resulting trust by producing emails or text messages attempting to prove you intended the deposits as a permanent gift.

How Much Does it Cost in Ontario?

Disputing a joint investment account involves several legal and administrative costs that can eat into your savings 💸.

  • Court Filing Fee: Issuing the initial family law Application at the courthouse costs exactly $214 CAD.
  • Forensic Accounting: If the funds are mixed with your partner’s money and difficult to trace, hiring a forensic accountant can cost $2,500 to $6,000 CAD.
  • Law Firm Fees: Retaining an experienced lawyer to litigate a resulting trust claim typically involves a starting retainer of $4,000 to $8,000 CAD.
Presumption of Resulting TrustStrongly applies to common-law partners.Assumes the person who originally deposited the money retains full ownership of it.
Presumption of AdvancementHistorically applied to married couples (now strictly limited).Assumes the transfer to a joint account was intended as an absolute gift.

How Long Does the Process Take?

Freezing a joint account takes only a few days, but legally unlocking and dividing the funds through the court is a much longer ordeal 🕑. A standard resulting trust claim at the Superior Court of Justice takes 12 to 24 months to resolve, depending entirely on how aggressively the non-contributing partner fights the claim and the current backlog of the local Ontario family court.

Frequently Asked Questions (FAQ)

What if we both contributed money to the joint account?

If both common-law partners contributed funds, the court will typically trace the proportionate amount each person deposited. You may be entitled to get back exactly the percentage you put in, plus your proportionate share of any investment gains.

Can my ex-partner successfully claim the money was a gift?

Yes, your ex-partner can attempt to rebut the presumption of resulting trust. To succeed in Ontario, they must provide clear and convincing evidence that you explicitly intended to gift them half of the money at the exact time the deposit was made.

Do these joint account rules apply to legally married couples?

No. Married couples in Ontario are governed by the equalization of net family property under the Family Law Act. Joint accounts held on the date of separation are generally divided 50/50, regardless of who originally deposited the funds.

Will the CRA tax me on the investment gains if I win my case?

Generally, if you prove a resulting trust and the funds are returned to you, the Canada Revenue Agency (CRA) will hold you solely responsible for any capital gains taxes or interest income triggered inside that non-registered investment account.

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