When the Office of the Children’s Lawyer gets involved in an Ontario custody case, most parents feel one of two things: relief that someone is finally listening on behalf of the children, or anxiety about what a stranger is going to conclude about their family. Either way, OCL involvement changes the case – and what the investigator finds can directly shape what a judge decides.
The Office of the Children’s Lawyer Ontario (OCL) is an independent legal office that represents children’s interests in family court proceedings. It operates separately from both parents and their lawyers. Its involvement signals that the court has concluded the children’s perspective needs independent representation – and its findings carry significant weight in custody decisions.
This article explains what the OCL does, when it is appointed, what an OCL investigation in custody cases looks like, and how parents can navigate the process without making costly mistakes.
What Is the Office of the Children’s Lawyer and When Is It Appointed?
The Office of the Children’s Lawyer is a branch of Ontario’s Ministry of the Attorney General. It provides legal representation for children in custody and access disputes, child protection matters, and estate proceedings involving minors.
In OCL Ontario custody cases, the office becomes involved in two ways:
- Court-ordered involvement: A judge orders OCL appointment when the case involves serious custody disputes, allegations of abuse or neglect, parental alienation concerns, or situations where neither parent’s position adequately represents the child’s interests
- Consent of the parties: In some situations, both parents may agree to request OCL involvement jointly
Not every custody case triggers OCL involvement. The court typically orders it when the dispute is complex, parental conflict is high, or the children are old enough to have expressed views that need independent assessment. The OCL may appoint a lawyer to represent the child directly in court, or a clinical investigator – sometimes called a section 112 assessor – to conduct a full assessment and report to the court.
In the most contested cases, a child may have both an OCL lawyer and a clinical investigator working on their file simultaneously. According to the Ontario Ministry of the Attorney General, the OCL handles thousands of cases annually across Ontario’s family court system.
| OCL Role | What They Do | When Appointed |
|---|---|---|
| OCL Lawyer | Represents the child directly in court proceedings | Child is mature enough to express a legal position |
| Clinical Investigator | Conducts assessment, files report with recommendations | High-conflict custody, abuse allegations, parental alienation |
| Both | Lawyer represents child + investigator assesses family | Most complex, highest-conflict cases |
What the OCL Investigator Does During an OCL Investigation in Custody Cases
An OCL investigation in a custody case is thorough and structured. The investigator – typically a social worker or psychologist with specialized training in child development – gathers information from multiple sources over several weeks or months.
During an OCL custody investigation, the investigator typically:
- Interviews each parent separately, often multiple times
- Interviews the children, usually without either parent present
- Speaks with collateral contacts – teachers, doctors, family members, coaches, and others with direct knowledge of the children’s lives
- Reviews relevant documents, including school records, medical records, court filings, and any prior assessments
- Observes each parent interacting with the children in their home environment
- Reviews communications between the parents, including text messages and emails, where relevant to the dispute
The investigator examines the full picture: the children’s stated wishes (weighted by age and maturity), each parent’s capacity to meet the children’s physical and emotional needs, the quality of each parent’s relationship with the children, and any factors affecting the children’s wellbeing – including parental conflict.
This process is not a formality. OCL investigators are experienced in identifying patterns and inconsistencies that parents may not realize are visible. Every interaction – including how you speak about the other parent – is part of what the investigator observes and considers in their final report.
How OCL Reports Influence Custody Decisions in Ontario
Once the OCL investigation is complete, the investigator produces a written report filed with the court. This report sets out the findings, the children’s expressed wishes, and a recommendation about what custody and parenting arrangement best serves the children’s interests.
OCL reports carry significant weight for three reasons. First, the investigator has direct access to the children in a way the judge does not. Second, the investigator speaks with witnesses neither parent’s lawyer has interviewed. Third, the report reflects months of observation rather than a few hours of courtroom testimony.
Judges are not required to follow OCL recommendations – but departing from them requires a principled, evidence-based reason. In practice, OCL recommendations are adopted in the majority of cases where they are made. If your case goes to trial and the OCL recommendation goes against you, your lawyer will need to build a specific, evidence-based argument for a different outcome.
If you are already navigating a contested custody matter, our overview of child custody in Ontario explains the full legal framework courts apply when making these decisions.
Key fact: While judges are not bound by OCL recommendations, departing from them requires a specific, principled reason on the record. In practice, OCL findings are among the most influential pieces of evidence in contested custody proceedings.
What Parents Should and Should Not Do During an OCL Investigation
How you behave during an OCL investigation matters as much as what you say. Investigators are trained to notice the gap between what parents claim and how they actually conduct themselves. The following reflects what helps – and what consistently causes parents to undermine their own cases.
What to do during an OCL Ontario custody investigation:
- Be honest. Investigators have access to records and collateral contacts. Exaggerating or misrepresenting facts will surface – and it damages your credibility in ways that are hard to recover from
- Focus on the children. Every answer should return to what is best for the children, not what is fair to you or what your spouse deserves
- Facilitate the other parent’s relationship. This is one of the most significant factors in custody assessments. Parents who actively support the other parent’s access are viewed considerably more favourably
- Stay consistent. What you tell the investigator should align with your court documents and what collateral contacts are likely to say
- Document relevant events. Keep a factual, dated record of significant incidents without editorializing or opinion
What not to do:
- Do not speak negatively about the other parent in front of or to the children. This behaviour – sometimes called parental alienation – is heavily weighted against a parent in OCL investigations. If this is already an issue in your case, our guide on how to prove parental alienation in Ontario explains how courts assess these situations
- Do not coach the children about what to say. Investigators are specifically trained to identify coached responses – and coached children often provide less useful information about their actual preferences
- Do not refuse to cooperate or delay the process. Non-cooperation is noted directly in the report
- Do not use the investigation as a vehicle to air grievances about your spouse that are unrelated to the children’s wellbeing
- Do not make unilateral changes to parenting arrangements during the investigation period without legal advice
If there is an urgent safety concern during this period – a risk of harm to the children or a threat of removal from the jurisdiction – speak with a family lawyer immediately about whether an emergency custody order may be appropriate.
Can You Challenge an OCL Recommendation?
Yes – but it requires a deliberate legal strategy, not a reflexive objection.
If the OCL report reaches a conclusion you believe is wrong, you have the right to challenge it at trial. The OCL investigator can be cross-examined on their methodology, findings, and conclusions. Factual errors in the report, inconsistencies in how information was gathered, or aspects of the children’s situation the investigator did not adequately consider can all be identified and challenged through evidence.
You may also retain an independent expert – a private custody assessor or child psychologist – to provide a competing opinion. Courts consider competing expert evidence, though they will also weigh why the parties sought a private assessment after receiving an unfavourable OCL report.
What does not work is simply asserting that the investigator was biased or did not understand your family. That position needs specific evidence behind it. An experienced family lawyer can review the OCL report, identify the strongest grounds for challenge, and advise whether the conclusions are likely to withstand scrutiny at trial – or whether negotiating toward a modified arrangement is the more practical path forward.
Grounds that support challenging an OCL recommendation:
- Factual errors in the report that can be disproved with records
- Key collateral witnesses not interviewed
- Material information not disclosed to the investigator
- Significant changes in circumstances since the report was filed
- Inconsistent methodology compared to professional standards
Frequently Asked Questions About the Office of the Children’s Lawyer in Ontario
Does the OCL represent my child or act as an investigator in custody cases?
The Office of the Children’s Lawyer Ontario can do either, depending on what the court orders. In some cases, the OCL appoints a lawyer to represent the child directly – giving the child their own legal voice in court, separate from both parents. In other cases, the OCL appoints a clinical investigator to conduct an assessment and file a report with recommendations. In complex high-conflict cases, a child may have both. The court order appointing the OCL will specify which function applies in your case.
How long does an OCL investigation take in Ontario?
OCL investigations in custody cases typically take four to eight months from appointment to the filing of the final report. The timeline depends on the complexity of the case, investigator availability, and how quickly both parties and collateral contacts respond to interview requests. Delays caused by non-cooperation from either parent extend the process. Courts generally will not proceed to trial on contested custody until the OCL report is on file.
Can I request OCL Ontario custody involvement if my ex is not cooperating with parenting arrangements?
You can bring a motion requesting OCL involvement, but it is the judge’s decision whether to order it. Courts are more likely to appoint the OCL where there is a genuine dispute about what custody arrangement serves the children’s best interests – not simply because one parent is being uncooperative with existing terms. If non-compliance with court orders is the issue, other remedies such as contempt motions or variation applications may be more appropriate. A family lawyer can advise which approach fits your situation.
What if my child does not want to talk to the OCL investigator?
Children cannot be forced to speak with an OCL investigator. Investigators are trained to approach interviews in an age-appropriate and non-threatening way. If a child is reluctant, the investigator will note this in the report and consider whether the reluctance itself is informative – for example, whether it reflects coaching by a parent. Parents should not instruct children not to cooperate. Actively facilitating the investigation, including encouraging children to speak openly, is viewed positively in the assessment.
Get Legal Advice Before the OCL Process Moves Further
OCL involvement reshapes a custody case. The investigation creates a record that follows the file through trial, and the recommendations carry weight that is difficult to overcome without a well-prepared legal response.
Whether you have just been informed the OCL has been appointed, you are preparing for your first investigator interview, or you have received a report you want to challenge – getting legal advice at each stage makes a material difference. How you conduct yourself during the investigation, what you say, and whether you address issues proactively or reactively all affect the outcome directly.
Nussbaum Law works with parents navigating OCL investigations and contested custody proceedings across Ontario. Book a free consultation to discuss your situation and understand your options before the next step in the process.
