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High-Conflict Custody Cases in Ontario: What Parents Should Know

Published: October 17, 2013

Last Updated: October 21, 2026

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High-Conflict Custody Cases in Ontario: What Parents Should Know

Every divorce is different and has its own unique circumstances. Sometimes, parties to a divorce simply realize they have grown apart and amicably decide to go their separate ways. Other situations are more contentious. While it is preferable for parents to resolve family law issues through agreements without resorting to litigation, this is not always possible.

When parents are unable to get along, child custody disputes can become particularly heated. Feelings of hurt, anger, and frustration may lead to disagreements over parenting time, decision-making responsibility, and what is in a child’s best interests.

Unfortunately, children can become caught in the middle of these disputes. In some high-conflict separations, parents may speak negatively about one another, interfere with parenting arrangements, or involve their children in adult disagreements.

Our Toronto child custody and access lawyers explain how Ontario courts approach high-conflict parenting cases, the importance of protecting children from parental conflict, and common mistakes to avoid during family court proceedings.

Key Takeaways About High-Conflict Child Custody Cases in Ontario

  • The child’s best interests come first. Ontario courts prioritize children’s safety, security, well-being, and individual circumstances when making parenting decisions.
  • High conflict does not automatically prevent shared parenting. Courts consider whether proposed arrangements are appropriate and safe for the particular child.
  • Parental alienation allegations require careful assessment. Courts examine relevant evidence and distinguish harmful interference from legitimate safety concerns.
  • Parents should avoid involving children in adult disagreements. Speaking negatively about the other parent or pressuring children to take sides can create additional emotional difficulties.
  • Conduct during family court proceedings matters. Parents should be truthful, comply with court orders, and focus on the children’s needs.
  • Professional assistance may be beneficial. Family lawyers, qualified mental health professionals, and the Office of the Children’s Lawyer may play important roles depending on the case.

How Do Ontario Courts Handle High-Conflict Child Custody Cases?

In high-conflict custody cases, the court must carefully consider the circumstances before making parenting decisions.

Although people commonly refer to these disputes as custody cases, Ontario family law generally uses the terms decision-making responsibility and parenting time:

  • Decision-making responsibility concerns significant decisions about a child’s upbringing
  • Parenting time generally refers to the time a child spends in a parent’s care.

Under the Children’s Law Reform Act and the federal Divorce Act, parenting decisions must be based on the child’s best interests.

Courts consider factors such as the child’s needs, relationships, history of care, views and preferences where appropriate, and each parent’s ability to support the child’s well-being. The child’s physical, emotional, and psychological safety, security, and well-being receive primary consideration.

Where family violence is present, courts must also consider its impact on the child and the appropriateness of the proposed parenting arrangements.

High-conflict cases can be complex and may require careful legal analysis, professional assessments, or other measures to understand what arrangements will best serve the child.

Parental Alienation in High-Conflict Custody Cases

One concern that can arise in high-conflict parenting disputes is parental alienation.

Parental alienation generally refers to behaviour that undermines or damages a child’s relationship with another parent. However, an allegation of alienation does not establish that such conduct has occurred.

For example, one parent may repeatedly make negative comments about the other parent or attempt to involve the child in disagreements about the separation.

These behaviours can create additional stress for children and may affect their relationship with one or both parents.

However, a child’s reluctance to spend time with a parent does not automatically establish parental alienation. There may be other explanations, including experiences of family violence, neglect, fear, or difficulties in the parent-child relationship.

Courts must consider the evidence and the child’s circumstances before drawing conclusions.

Can Parental Alienation Affect a Parenting Order?

Where the evidence establishes harmful behaviour that affects a child’s best interests, a court may consider whether an existing parenting arrangement should be changed.

Depending on the circumstances, appropriate responses may include adjustments to parenting arrangements, counselling recommendations, or other court-directed measures.

Breaches of court orders may also raise enforcement issues. However, a finding of contempt requires its own legal analysis and is not an automatic consequence of an allegation of parental alienation.

For further information, read our article on understanding parental alienation in Ontario.

How Does the Questioning Process Work in Ontario Child Custody Cases?

In high-conflict child custody cases, parents may disagree about important issues such as parenting time, decision-making responsibility, and the child’s best interests. When these disagreements cannot be resolved, questioning may play an important role in helping the court evaluate the evidence presented by each party.

Under Rule 20 of Ontario’s Family Law Rules, questioning allows parties to obtain information relevant to the issues in dispute. In parenting cases outside the child protection context, pre-trial questioning generally requires the other party’s consent or a court order. It is not automatically available in every custody dispute.

If a case proceeds to trial, parents and other witnesses may also be questioned about their evidence. This can include examination by the party presenting the witness and cross-examination by the opposing party.

Why Is Questioning Important in High-Conflict Parenting Disputes?

In particularly contentious cases, parents may present conflicting accounts of events or make serious allegations concerning the other parent’s behaviour.

Questioning can help clarify disputed facts, assess the reliability of evidence, and explore issues affecting a child’s safety, stability, and well-being. For example, questioning may address communication difficulties, compliance with parenting orders, allegations of parental alienation, or concerns about family violence.

However, the purpose is not simply to discredit the other parent. The court’s ultimate responsibility is to make decisions based on the child’s best interests, as required by Ontario’s Children’s Law Reform Act.

Parents involved in these proceedings should understand that answers given under oath may become important evidence. Remaining truthful, responding carefully, and obtaining appropriate legal guidance can help ensure that relevant information is presented accurately.

For more information about trial procedures, the Ontario Court of Justice’s family law trial guide explains how witnesses are examined and cross-examined.

What Not to Do in Family Court When Negotiating Child Custody

When parents are involved in a high-conflict parenting dispute, the way they communicate and conduct themselves can affect the court process.

One of the most important things parents should avoid is treating child custody negotiations as a competition between adults rather than a process focused on the child’s best interests.

Courts are concerned with arrangements that support children’s safety, stability, and well-being, not with determining which parent has won an argument.

Do Not Speak Negatively About the Other Parent to Your Child

No matter what your former partner has done to upset or hurt you, it is important to avoid involving your child in adult disagreements.

Children should not feel that they must choose sides or demonstrate loyalty to one parent by rejecting the other.

There is an important distinction between making unnecessary negative comments about a parent and discussing genuine safety concerns with appropriate professionals.

Do Not Ignore Court Orders or Misrepresent the Facts

Parents should take existing parenting orders seriously and provide accurate information during family court proceedings.

Ignoring an order, making misleading allegations, or withholding relevant evidence can create additional legal difficulties.

Where an order presents an immediate safety concern, legal advice should be obtained promptly about appropriate protective steps or an urgent application rather than assuming the situation must remain unchanged.

Do Not Refuse Reasonable Negotiations Solely to Punish Your Former Partner

Not every disagreement needs to become a court battle. Where it is safe and appropriate, parents may benefit from considering reasonable proposals concerning parenting schedules, communication, and the children’s day-to-day needs.

However, negotiation is not always appropriate, particularly where family violence, coercive control, or serious safety concerns are involved.

Do Not Use Your Children to Communicate With the Other Parent

Children should not be expected to deliver hostile messages, negotiate parenting schedules, or report on the other parent’s private life.

Parents may benefit from establishing clear and appropriate communication arrangements that keep adult discussions separate from children’s experiences.

How Can Parents Protect Children During High-Conflict Separation?

If you believe your parenting issues will be particularly contentious, there are several steps that may help protect your child.

  1. Avoid speaking negatively about your former partner in front of or directly to your child. Children may be affected by conflict even when parents believe they are shielding them from it.
  2. Obtain appropriate legal assistance. A family lawyer can help you understand the applicable law, identify important evidence, and consider options for addressing contentious parenting arrangements.
  3. Where a parent cannot afford private legal representation, Legal Aid Ontario may be able to provide assistance depending on eligibility and the circumstances.
  4. Children involved in high-conflict disputes may also benefit from access to counselling or other age-appropriate emotional support.

Whether through a qualified therapist, school counsellor, or another trusted professional, children should have an appropriate opportunity to express their feelings without being pressured to take sides.

Can a Parenting Plan Reduce Conflict Between Parents?

A detailed parenting plan may help reduce uncertainty and disagreements after separation.

Depending on the family’s circumstances, a parenting plan can address schedules, holiday arrangements, exchanges, communication, and how significant decisions will be made.

For some families, clear procedures can reduce opportunities for repeated disputes about everyday parenting matters. However, parenting plans must be appropriate for the individual family, particularly where there are concerns about safety, harassment, or coercive control.

Our article on parental alienation and parenting plans explains how clear expectations may help address certain forms of conflict.

What Role Does the Office of the Children’s Lawyer Play?

In some parenting disputes, a court may request assistance from Ontario’s Office of the Children’s Lawyer (OCL).

The OCL may provide legal representation for a child, clinical assistance, or reports to help the court understand the child’s circumstances and views.

However, the OCL does not automatically become involved whenever parents disagree. Its participation depends on the court process, the child’s circumstances, and the services the office agrees to provide.

The Government of Ontario’s guide to the Office of the Children’s Lawyer provides further information about its role in parenting proceedings.

When Should Parents Consider Mediation or Court Intervention?

Family mediation and other alternative dispute resolution methods may help some parents resolve disagreements without a contested trial.

A neutral professional may assist with discussions about parenting schedules, communication expectations, and other arrangements.

However, mediation is not appropriate for every situation. Where domestic violence, intimidation, or significant power imbalances are present, additional safeguards or court involvement may be necessary.

If disputes cannot be resolved, court proceedings may be required.

Ontario’s family court process includes conferences intended to identify issues, encourage appropriate settlement discussions, and prepare unresolved matters for further proceedings.

The Ontario Court of Justice’s settlement conference guidance explains how settlement conferences can help narrow or resolve outstanding family law issues.

Frequently Asked Questions About High-Conflict Custody Cases in Ontario

What Is Considered a High-Conflict Custody Case?

A high-conflict custody case generally involves persistent and serious disagreements between parents concerning parenting arrangements. These disputes may include communication difficulties, repeated litigation, disagreements about decision-making, or concerns about interference with parent-child relationships.

What Should You Never Do in a Child Custody Case?

Parents should avoid involving children in disputes, providing misleading information, unnecessarily escalating conflict, or disregarding parenting orders. Genuine safety concerns should be raised through appropriate legal and professional channels.

Can High-Conflict Parents Share Parenting Time?

Possibly. High conflict does not automatically rule out shared parenting time. Courts consider the child’s best interests, including safety, parental communication, and whether the proposed arrangements can realistically meet the child’s needs.

Can Badmouthing the Other Parent Affect a Custody Case?

It may. Courts can consider conduct that undermines a child’s relationship with another parent when that behaviour is relevant to the child’s best interests. However, concerns about family violence or abuse must be evaluated separately and should not automatically be characterized as alienation.

Can a Child Have Their Own Lawyer in an Ontario Custody Dispute?

In some cases, the Office of the Children’s Lawyer may provide independent legal representation for a child. Its involvement is not automatic, and the court may request its assistance in appropriate circumstances.

How Can I Resolve a High-Conflict Parenting Dispute Without Going to Trial?

Depending on the circumstances, parents may consider parenting plans, mediation, negotiation through lawyers, or other appropriate dispute resolution services. Where safety concerns or serious disagreements prevent resolution, court intervention may be necessary.

Contact Our Toronto Child Custody Lawyers About High-Conflict Parenting Disputes

High-conflict parenting disputes can create significant emotional challenges for parents and children. When disagreements involve parenting time, decision-making responsibility, or concerns about a child’s well-being, understanding your legal options can be an important step toward addressing those issues.

At Gelman & Associates, our family law team assists parents throughout Toronto and Ontario with child custody disputes, parenting arrangements, and family court proceedings.

Our Toronto child custody lawyers can help you understand the relevant legal considerations and available options for your family’s circumstances.

To discuss your situation, contact Gelman & Associates or call 1-844-736-0200 to book a consultation.

Disclaimer: This article provides general information about Ontario family law and is not intended as legal advice. Parenting decisions depend on individual circumstances, evidence, and the applicable legal framework.

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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