Disability — Ontario Employment Law
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About Disability
In Ontario, the law provides robust protections for employees with disabilities, ensuring they can participate fully and equally in the workplace. The cornerstone of these protections is the Ontario Human Rights Code (OHRC), which defines 'disability' very broadly. It includes not only physical conditions, such as an injury or chronic illness, but also mental health conditions like depression and anxiety, developmental disabilities, learning disabilities, and even 'perceived disabilities'—where an employer believes an employee has a disability, even if they don't. Under the OHRC, employers have two fundamental duties. First, they cannot discriminate against an employee based on a disability. This means they cannot terminate, demote, harass, or otherwise penalize an employee because of a past, present, or perceived disability. Second, employers have a proactive 'duty to accommodate' an employee's disability-related needs. This legal requirement means an employer must take steps to modify the job or workplace to enable the employee to perform their essential duties, unless doing so would cause the employer 'undue hardship.' Accommodation can take many forms, from providing ergonomic equipment or modifying work schedules to reassigning non-essential tasks. While an employer can ask for medical information to understand your limitations and needs for accommodation, they are generally not entitled to your specific diagnosis. The process is a collaborative one, requiring participation from both you and your employer. Issues often arise when an employer fails to accommodate, denies a request, or terminates an employee who is on disability leave. Because every situation depends heavily on the specific medical evidence and workplace context, understanding your precise rights can be complex, and seeking tailored guidance is often a crucial step.
Frequently Asked Questions
What counts as a 'disability' under Ontario employment law?
The Ontario Human Rights Code (OHRC) uses a very broad definition. It includes any degree of physical disability, infirmity, or malformation, as well as mental health conditions, learning disabilities, developmental disabilities, and addictions. It also protects you if your employer merely perceives you as having a disability.
Can my employer fire me while I'm on disability leave (STD or LTD)?
Generally, no. Your employment is protected while you are on a disability leave approved by a doctor. Terminating an employee because they are on disability leave is a form of discrimination under the OHRC. However, in rare cases of very long absences where there is no reasonable prospect of return, an employer may argue the employment contract is 'frustrated'.
What medical information do I have to give my employer for accommodation?
You must provide enough information for the employer to understand your work-related limitations and how to accommodate them. This usually means a doctor's note outlining your restrictions (e.g., 'cannot lift more than 10 lbs'), but you are not typically required to disclose your specific diagnosis.
My boss thinks I have a mental health issue and is treating me differently. Is that legal?
No, that is likely illegal. The Ontario Human Rights Code protects against discrimination based on 'perceived disability.' If your employer treats you adversely because they believe you have a disability, even if you don't, you may have a human rights claim.
What happens if my employer says they can't accommodate me?
An employer can only refuse to accommodate if they can prove it would cause 'undue hardship,' which is a very high legal standard involving prohibitive costs or significant health and safety risks. A simple inconvenience or minor cost is not enough to prove undue hardship.
Is there a time limit to file a human rights complaint for disability discrimination?
Yes. In Ontario, you generally have one year from the date of the discriminatory incident (or the last incident in a series) to file an application with the Human Rights Tribunal of Ontario. It is critical to be mindful of this deadline.
When should I consult an employment lawyer about a disability issue?
You should consider consulting a lawyer if your employer denies a reasonable accommodation request, disciplines you for disability-related absences, terminates you while on leave, or if you feel you are being harassed or pushed out of your job because of your condition.
Common Scenarios
- An administrative assistant returning from a leave for anxiety is told their position has been filled and is offered a more junior role with fewer responsibilities.
- A construction worker who injures their back is cleared to return to work with modified duties, but the employer claims there is no light-duty work available and keeps them off work without pay.
- An employee with diabetes who needs consistent break times for meals and blood sugar monitoring is disciplined by a new manager for 'taking too many unscheduled breaks'.
- A long-serving employee is terminated for 'performance issues' shortly after taking a few sick days and mentioning they are being tested for a chronic illness.
- An employee on Long-Term Disability for over two years receives a letter stating their employment contract is 'frustrated' and they are being terminated with no severance pay.
What You Should Know
- Always make your accommodation requests in writing to your manager and HR, clearly explaining your needs and providing a doctor's note supporting your functional limitations.
- Keep a detailed log of all communications, incidents of discrimination or harassment, and any refusal by your employer to provide accommodation.
- Remember that you have a duty to cooperate in the accommodation process; be open to reasonable suggestions from your employer that meet your medical needs.
- Be aware of the strict one-year deadline to file a claim at the Human Rights Tribunal of Ontario, which starts from the last act of discrimination.
- If you are terminated, pressured to resign, or have a critical accommodation denied, seek advice from an Ontario employment lawyer before signing any documents or accepting any offers.
Featured Cases
D. v. Staff Plus et al
2026 ONSC 2084 (CanLII) · 2026-04-27Judicial Review: HRTO Disability Discrimination Dismissal
This is a judicial review of a Human Rights Tribunal of Ontario (HRTO) decision dismissing an application alleging employment discrimination based on disability. The Divisional Court applied the Vavilov reasonableness standard, finding that the HRTO's determination that disability was not a factor in the termination was justified, transparent, and intelligible. The court also upheld the HRTO's refusal to admit supplementary evidence and denied the request for reconsideration, resulting in the dismissal of the judicial review application.
B. v. Top Medical Transportation Services
2026 ONSC 1073 (CanLII) · 2026-02-20Judicial Review: Ankle Injury Disability Claim
This is a judicial review of a Human Rights Tribunal's jurisdictional decision regarding whether an ankle injury qualifies as a disability under the Human Rights Code. The Divisional Court set aside the Tribunal's decision, finding that the Tribunal improperly applied a screening standard and failed to conduct the required contextual analysis for determining disability.
B. v. Top Medical Transportation Services
2025 ONSC 1208 (CanLII) · 2025-03-10HRTO Judicial Review: Disability Discrimination in Employment
This is a judicial review of a Human Rights Tribunal of Ontario decision concerning an allegation of employment discrimination based on disability. The Divisional Court upheld the Tribunal's finding that the applicant's ankle injury was transitory and did not constitute a disability under the Human Rights Code, and confirmed that the Tribunal's procedural practices and standard of review were fair.
B. v. Bombardier Transportation Canada
2024 ONSC 4886 (CanLII) · 2024-09-04A wrongful dismissal case involving an employee terminated by Bombardier Transportation Canada, with disability issues raised as a relevant factor in the dispute.
S. v. Syra Group et al.
2024 ONSC 2169 (CanLII) · 2024-04-24Workplace Disability Harassment and Vicarious Liability
This case involves allegations of disability-related harassment in the workplace, raising issues of vicarious liability for the employer. The primary legal focus is on whether the employer is liable for the harassment suffered by the employee.
L. v. Aramark
2023 ONSC 2040 (CanLII) · 2023-03-31HRTO Judicial Review: Disability & Reactivation
This is a judicial review application to the Divisional Court concerning the HRTO's dismissal of the applicant's requests to reactivate and reconsider a deferred human rights application. The applicant alleged that the HRTO erred by failing to consider medical evidence of disability regarding time limits and by relying on false information, but the Court found the HRTO's decisions were reasonable, internally coherent, and justified.
M. v. Aramark Food Services Ltd.
2022 ONSC 4563 (CanLII) · 2022-08-05Judicial Review: Labour Board Finality & Extension of Time
This is a judicial review application concerning the finality of Labour Board decisions from 2015 and 2016. The applicant sought an extension of time to challenge these decisions seven years later, citing disability-related delays and alleged fresh evidence from recovered memories. The Divisional Court reviewed the application, finding the delay inordinate and unjustifiable, and holding that generalized assertions of fresh recollections were insufficient to disturb the final decisions.
R. v. University of Ottawa
2022 ONSC 219 (CanLII) · 2022-01-13Judicial Review: University Dismissal & Disability Accommodation
This is a judicial review of the University of Ottawa’s Senate Appeals Committee decision to dismiss an applicant from a Pediatric Neurology Residency Training Program. The applicant, diagnosed with narcissistic personality disorder, alleged the university failed to accommodate their disability and violated procedural fairness. The Divisional Court upheld the SAC's decision as reasonable, finding that full-time supervision would cause undue hardship and that the committee properly relied on medical evidence regarding the risk of unprofessional behaviour.
L. v. Huron Tire
2021 ONSC 8026 (CanLII) · 2021-12-06Disability Accommodation & Termination
This case concerns the termination of an employee's employment due to drug addiction, raising issues regarding the employer's duty to accommodate the disability short of undue hardship. The legal analysis involves the intersection of reasonable notice requirements and statutory obligations under the Employment Standards Act.
C. v. Human Rights Tribunal of Ontario
2019 ONSC 142 (CanLII) · 2019-01-21HRTO Judicial Review: Duty to Accommodate Disability
This is a judicial review of a Human Rights Tribunal of Ontario decision regarding an employer's procedural duty to accommodate a disabled employee. The Divisional Court reviewed the Tribunal's findings that the employer failed to consider temporary and non-standard jobs, and the reasonableness of the Tribunal's award of $5,000 in general damages for injury to dignity.
R. v. RONA Inc.
2018 ONSC 2934 (CanLII) · 2018-06-27Frustration of Contract: Disability Termination After 13 Years
This is a summary judgment motion addressing whether an employer properly terminated an employee with 13 years of service due to permanent disability under the doctrine of frustration of contract. The court examined whether the employer acted reasonably in relying on available medical evidence without further inquiry and whether post-termination evidence could be used to establish frustration at the time of dismissal.
C. v. Katz Group Canada Ltd.
2017 ONSC 6927 (CanLII) · 2017-11-20This is a wrongful dismissal case involving an employee with a disability and a summary judgment motion.
N. v. Thunder Bay Orthopaedic Inc.
2017 ONCA 641 (CanLII) · 2017-08-03Wrongful Dismissal: 15 Months Notice Upheld After Disability Termination
This appeal concerns a wrongful dismissal claim where an employee was terminated after being placed on medical leave due to disability. The trial judge awarded 15 months' pay in lieu of notice and damages under the Human Rights Code, finding the employer satisfied its duty to accommodate but did not prove the contract was frustrated. The Court of Appeal upheld the trial judge's decision, finding no palpable and overriding error in the assessment of undue hardship or the refusal to award additional damages for loss of income.
Ontario Public Service Employees Union v Ontario (Children and Youth Services)
2016 ONSC 5732 (CanLII) · 2016-09-13Judicial Review: Duty to Accommodate Absenteeism
This is a judicial review of a Grievance Settlement Board decision regarding the termination of a public service employee with a chronic degenerative back condition due to excessive absenteeism. The court addressed whether the employer's duty to accommodate required accepting sporadic and unpredictable absenteeism that prevented the employee from fulfilling basic employment obligations. Applying the Hydro-Québec standard, the court found the employer's duty to accommodate ended where the employee could not meet attendance standards.
S. v Granite Club
2016 ONSC 4215 (CanLII) · 2016-06-24Setting Aside Default Judgment in Wrongful Dismissal
This is an interlocutory motion regarding the setting aside of a default judgment in a wrongful dismissal action. The court evaluated whether the defendant's explanation for failing to file a Statement of Defence—relying on suspended litigation during mediation—was plausible and whether an arguable defence existed. The court found that the defendant raised arguable defences regarding performance-based termination and disability benefits interference, leading to the decision to set aside the default judgment.
S. v Human Rights Tribunal (Ontario)
2016 ONSC 3705 (CanLII) · 2016-06-02Judicial Review: Duty to Accommodate Disability
This is a judicial review of a Human Rights Tribunal of Ontario decision regarding an employer's duty to accommodate an employee's disability. The Divisional Court upheld the Tribunal's finding that the employer fulfilled its obligations and that the applicant failed to participate in the collaborative accommodation process. The application for judicial review was dismissed, and costs were awarded to the employer.
V. v HRTO and Elia Associates Professional Corporation
2015 ONSC 7163 (CanLII) · 2015-12-10Judicial Review: HRTO Upheld on Disability Discrimination
This is a judicial review of a Human Rights Tribunal of Ontario decision regarding an employee's termination. The Divisional Court upheld the Tribunal's findings that the employer's request for an official transcript was a neutral job requirement, that the dismissal was based on performance rather than disability, and that there was no evidence of harassment or reprisal.
C. v. Revera Retirement LP
2014 ONSC 3233 (CanLII) · 2014-06-17Human Rights: Duty to Accommodate Judicial Review
This is a judicial review of a Human Rights Tribunal of Ontario decision regarding an employee with a disability who was terminated after being unable to perform offered modified work. The Divisional Court reviewed whether the employer breached its procedural duty to accommodate under the Human Rights Code and whether the Tribunal's award of $5,000 for injury to dignity was reasonable.
D. v. PSI Peripheral Solutions Inc.
2013 ONSC 6923 (CanLII) · 2013-12-17This is a constructive dismissal case involving the duty to accommodate disabled employees. The legal issues center on whether the employer's actions or omissions regarding accommodation amounted to a fundamental breach of the employment contract.
D.P. v. Hilti Canada Corporation
2012 ONSC 5956 (CanLII) · 2012-11-09Human Rights: Criminal Charge as Disability
This is a judicial review of a Human Rights Tribunal decision dismissing an application for lack of jurisdiction. The applicant, an employee, alleged discrimination after being refused return to work following a criminal charge, arguing this constituted a 'disability' under the Human Rights Code. The Divisional Court reviewed the Tribunal's interpretation that 'disability' is limited to physical and mental conditions and declined to hear a constitutional challenge raised for the first time on review.