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Understanding Joint Custody

Published: June 3, 2016

Last Updated: July 3, 2026

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Understanding Joint Custody

In Family Law, the term “custody” refers to parental decision-making and authority respecting a child.  In 1993, the Supreme Court of Canada stated that “…the custodial parent is responsible for the care and upbringing of the child, including decisions concerning the education, religion, health and well-being of the child.”  (Young v. Young)

There are several types of custody arrangements that separated or divorced parents can enter into:  Sole, Joint, Shared, Parallel, and Split.

Let’s take a closer look at joint custody in Ontario.

Joint Custody Ontario gives both parents full decision-making authority and responsibility in all areas respecting the child.  Essentially what that means is that major decisions regarding the child’s health, education, and well-being are made together. Small, every day decisions, such as the decision to give a child medicine for a cold, or figuring out his or her Grade 6 speech topic, do not require consultation with the other parent. A joint custody arrangement is a potential for most parents in Ontario, including unmarried partners who share children together, depending on the best interests of their child.

Many people erroneously believe that joint custody means that the child spends equal time with both parents.  It does not.  The amount of time the child spends at their mother’s house versus their father’s house is a separate issue.

In what circumstances would joint custody be a good idea?

  • Effective Communication and Cooperation.  For a joint custody arrangement to be successful, you must be able to communicate and cooperate effectively with your ex.  You don’t have to like your ex, and you don’t need to need to have constant communication with him or her (imagine having to text updates every day?!), but you do need to be able to make long-term decisions together, and be able to put the best interests of your child ahead of any personal feelings of conflict that may linger; or
  • Balance of Power. In a 2013 decision of the Ontario Superior Court of Justice (Hoffman v. Hoffman), the Court noted that joint custody may be appropriate to preserve the balance of power between the parties, especially in a case where both parties are caring and competent parents, but one party has been primarily responsible for the conflict between the parties.

When should joint custody be off the table?

  • Poor Communication and Cooperation. It should go without saying that if you and your ex have never had the ability to cooperate or communicate effectively, or if one parent is unable to put the needs of the child before his or her own, joint custody is certainly not the right arrangement for you or your child; or
  • Abusive and Controlling Ex. Abusers are generally not cooperative and may seek joint custody to maintain control over you as the arrangement would require his or her agreement to all parenting plans.  Ensure that your lawyer knows about the abuse and control so that you can fight for a custody arrangement that does not require cooperation with your ex.

Child custody is a complex issue.  You want the best for your child, especially in the context of a split from his or her other parent, but it may not be easy to co-parent post-separation.  Be honest with yourself about your ability to cooperate and communicate effectively with your ex, and think carefully about issues such as power imbalances and abusive and/or controlling behaviour before agreeing to a joint custody arrangement.

For answers to all your questions about child custody or any other family law issue, call Gelman & Associates at (844) 736-0200 or contact us online for a confidential initial consultation.

Written by Lisa Gelman

Senior Lawyer

Senior Lawyer Lisa Gelman has over 25 years of family law experience and founded Gelman & Associates to provide strategic legal counsel in family law matters concerning divorce, parenting, separation, and more.

Frequently Asked Questions - child custody & access

Ontario law does not specify the age at which a child can decide which parent to live with. At most, the Court may consider the preference of the child but that does not necessarily mean that the Court will act favorably on it. The court will consider the child’s maturity, ability to articulate their desires, and the reasoning behind their views when seeking their opinion.

If a parenting plan is included in your court order under the Divorce Act, the document will be legally binding.

In order to change your child’s last name, you will have to be the child’s parent with legal custody or be the legal guardian of the child. In order to change the child’s last name, you will have to provide notice to anyone who has legal access to the child, and that may include your ex-spouse.

In most cases, the answer is no. However, there can be some exceptions that the mother can build a case upon. These include the father putting the child at risk, non-compliance with the court order, or a history of violence by the father.

Creating a custody plan with a narcissistic ex-partner is a task best left to legal professionals. While there might not be one way to deal with a narcissistic ex, there are things that you can do to turn the tables on a narcissistic co-parent. The best way to prevent problems is to go with no contact or limited contact with your ex-partner and put everything in writing if you must only communicate via email or text message to record statements and harassment.

Let us consider that the “moving away” is relocation and not just a change in residency.

Then, let us qualify that the mother will take your child with her.

If the mother is the primary caregiver of the child, you may oppose the relocation by applying the principles laid down under the Gordon vs. Goertz case. You must present your case strongly as to why potentially cutting your child’s relationship as the primary caregiver is to your child’s best interest. This situation falls under the purview of Section 16.93(2) of the Divorce Act.

If both you and the mother have equal parenting time over your child, the mother of the child has the burden of proof as to why the relocation is for the best interest of your child. This situation falls under the purview of Section 16.93(1) of the Divorce Act.

If there is no Court ordered, approved, or awarded parenting time or separation agreement, as contemplated under Section 16.93(3) of the Divorce Act, the mother has the burden of proof to show that relocation is in the best interest of your child.

Note that even if the burden of proof is not laid upon you, it still recommended that you present a strong opposition to the relocation.

Yes, it is possible for your ex to prevent you from relocating with a child you share, although this will likely plan on your parenting arrangements and decision-making responsibility. If you cannot agree about a relocation, a court will decide based on the child’s best interests.

Generally, you need to provide your ex with 60 days’ written notice of your relocation plan, and you must obtain consent or a court order to move the child. A lawyer can help you navigate this process. Our divorce lawyers will guide you through the application and court order process.

Yes, but they will need to establish paternity, especially if the father and the mother separate. Here are the ways to establish paternity as recognized by the court:

  • Act of birth
  • Presumption of paternity
  • Uninterrupted possession of status
  • Voluntary declaration

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