Labour Relations — Ontario Employment Law

95 casesDecisions from 1951–2025

About Labour Relations

In Ontario, 'labour relations' refers to the legal framework governing workplaces where employees are represented by a trade union. This area of law is fundamentally different from the 'employment law' that applies to non-unionized settings. While non-union employees rely on individual employment contracts, the Employment Standards Act (ESA), and common law principles like wrongful dismissal, the unionized environment operates under a distinct system.

The cornerstone of this system is the Ontario Labour Relations Act, 1995 (LRA). The LRA's primary purpose is to promote fair labour practices and encourage the resolution of workplace disputes through collective bargaining. Instead of individual contracts, the terms and conditions of employment for all employees in a specific 'bargaining unit' are detailed in a single document called a collective agreement. This agreement is negotiated between the employer and the union and covers everything from wages and benefits to job classifications, seniority, and discipline procedures.

When disputes arise in a unionized workplace—for instance, if an employee is disciplined or terminated—the process for resolution is not a lawsuit in civil court. Instead, the employee and their union follow a grievance and arbitration procedure outlined in the collective agreement. The legal standard for termination is typically 'just cause,' a higher threshold than that required in many non-union contexts. The Ontario Labour Relations Board (OLRB) is a specialized, independent tribunal that plays a crucial role. It oversees union certification drives, hears complaints about unfair labour practices (e.g., an employer punishing an employee for union activity), and resolves jurisdictional disputes between unions. Because the legal rights and procedures in a unionized workplace are so specific, understanding which system applies to your situation is the critical first step in addressing any issue.

Frequently Asked Questions

What's the main difference between labour law and employment law in Ontario?

Labour law governs unionized workplaces under the Labour Relations Act and collective agreements. Employment law applies to non-unionized employees, governed by the Employment Standards Act and common law principles like individual contracts and wrongful dismissal.

I was fired from my union job. Can I sue for wrongful dismissal?

Generally, no. In a unionized workplace, your recourse for termination is through the grievance and arbitration process defined in your collective agreement. The legal standard is typically 'just cause' for termination, not 'reasonable notice' as in common law.

What is the Ontario Labour Relations Board (OLRB)?

The OLRB is a specialized tribunal that administers and interprets the Labour Relations Act. It handles union certification applications, unfair labour practice complaints against employers or unions, and other disputes specific to the unionized sector.

My union isn't helping me with my workplace issue. What can I do?

Unions have a 'duty of fair representation' to their members. If you believe your union has acted in a manner that is arbitrary, discriminatory, or in bad faith, you may be able to file a complaint against them with the OLRB. These complaints have very strict deadlines.

How long do I have to file a grievance after being disciplined?

Grievance timelines are set by your collective agreement and are usually very short, often just a matter of 5 to 15 working days. It is critical to contact your union steward immediately after the incident to ensure you do not miss the deadline.

Can my employer just change my job duties if I'm in a union?

An employer's ability to change your duties is limited by the language in your collective agreement. A significant, unilateral change by the employer may be a violation of the agreement and could be challenged through a grievance.

When should I consult a labour lawyer instead of just my union representative?

You should consider consulting a labour lawyer if you have a dispute with your union itself, such as a belief that they are not fairly representing you. A lawyer can advise you on the process of filing a duty of fair representation complaint with the OLRB.

Common Scenarios

  • A manufacturing plant employee is given a three-day suspension and immediately contacts their union steward to file a grievance, arguing the discipline is excessive.
  • A hospital administration announces a new scheduling policy, and the nurses' union files a 'policy grievance' arguing it violates the collective agreement's terms on hours of work.
  • A retail employee who was active in a recent (but failed) union organizing drive is suddenly terminated for poor performance, and they suspect it is retaliation for their union activities.
  • On a large construction project, a dispute arises between the carpenters' union and the ironworkers' union over which group is responsible for installing certain building components, leading to a jurisdictional dispute at the OLRB.
  • A group of public sector employees learns their department is being reorganized, and their union enters into discussions with the employer to negotiate the impact on affected members.

What You Should Know

  • Obtain and read your collective agreement. This document is the primary source of your rights and the procedures you must follow in a dispute.
  • Act immediately on workplace issues. The timelines for filing a grievance under a collective agreement are extremely strict and non-negotiable.
  • Always go through your union first. Your union is your legal representative in disputes with your employer; work with your steward or union representative as the first step.
  • Keep detailed written records of all incidents, including dates, times, what was said, and who was present. This documentation is vital for any potential grievance.
  • If your issue is with your union's conduct, not your employer's, seek advice from a lawyer specializing in labour law to understand your options regarding the OLRB.

Featured Cases

EllisDon Residential Inc. v. Limen Group Const. (2019) LTD. et al.

2022 ONSC 1917 (CanLII) · 2022-03-30

Jurisdictional Dispute: Court Defers to OLRB in Labour Relations Case

A court case determining the jurisdiction to adjudicate disputes between a contractor and unions, involving economic tort claims and civil procedure matters. The court deferred to the Ontario Labour Relations Board (OLRB) for specialized expertise in construction labour disputes and granted a representation order to validate the proceedings.

economic torts jurisdiction labour relations ontario labour relations board representation order

Pearce v. HMTQ

2020 CanLII 5758 (ON SC) · 2020-01-24

Constructive Dismissal in Federal Public Service

A jurisdictional dispute over constructive dismissal in the federal public service, involving the application of Federal Public Service Regulations sections 208(1), 236(1), 236(3), and 236(3).

constructive dismissal federal public service jurisdiction labour relations

Campos v. Sun Life Assurance Company of Canada

2009 CanLII 43186 (ON SC) · 2009-08-17

Arbitration Jurisdiction: LTD Benefits Under HOODIP in Collective Agreements

A case concerning whether disputes over long-term disability benefits under HOODIP fall within the exclusive jurisdiction of labour arbitrators. The court held that such disputes are arbitrable and not within the court’s jurisdiction, applying the framework from Weber v. Ontario Hydro.

arbitration collective agreements exclusive jurisdiction labour relations long-term disability benefits

Coleman v. Demers

2007 CanLII 7526 (ON SC) · 2007-03-13

Constructive Dismissal and Union Jurisdiction in Ontario Workplace Dispute

A case involving claims of constructive dismissal, harassment, and conspiracy in a unionized workplace, addressing whether the Ontario Superior Court of Justice has jurisdiction to adjudicate such claims under the Ontario Labour Relations Act, 1995, and whether claims against unions for breach of duty of fair representation fall under the exclusive jurisdiction of the Ontario Labour Relations Board.

collective agreements constructive dismissal duty of fair representation jurisdiction labour relations

Myrtezaj v. Cintas Canada Limited

2007 CanLII 4299 (ON SC) · 2007-02-16

Constructive Dismissal Jurisdiction Dispute: Ontario Labour Relations Board Exclusivity

A constructive dismissal case where the plaintiff alleged harassment, unfair evaluations, and pay reduction, leading to a dispute over whether the Ontario Superior Court of Justice had jurisdiction to hear the claim or if it fell under the exclusive jurisdiction of the Ontario Labour Relations Board (OLRB). The court determined that the essential character of the dispute, rather than the legal framing of the claim, dictates jurisdiction, and emphasized deference to specialized tribunals in labour relations matters.

constructive dismissal employment law exclusive jurisdiction jurisdiction labour relations

Duke v. Toronto District School Board

2006 CanLII 16483 (ON SC) · 2006-04-28

Arbitration Dispute: Long-Term Disability Benefits Under Collective Agreement

A dispute over the entitlement to long-term disability benefits under a self-insured plan administered by an agent, with the central legal question being whether the dispute arises from the collective agreement and thus requires arbitration under the Labour Relations Act. The plaintiff sought to pursue a civil action, but the court considered whether the matter is exclusively arbitrable.

arbitration collective agreements disability benefits jurisdiction labour relations

Fraser v. Ontario (Attorney General)

2006 CanLII 121 (ON SC) · 2006-01-10

Agricultural Workers' Labour Rights: Charter Challenge to Exclusion from Collective Bargaining

A labour relations case involving agricultural workers challenging their exclusion from collective bargaining rights under the Labour Relations Act, 1995 (LRA) and the adequacy of the Agricultural Employees Protection Act, 2002 (AEPA) in protecting their right to associate and organize under the Canadian Charter of Rights and Freedoms, s. 2(d). The court found that the AEPA meets minimum constitutional standards for freedom of association and that the exclusion of agricultural workers from the LRA does not constitute discrimination under section 15 of the Charter.

agricultural workers charter of rights freedom of association labour and employment labour relations

Way v. Deslauriers

2005 CanLII 26600 (ON SC) · 2005-07-28

An employment-related case involving labour relations, though the specific legal dispute or outcome is not detailed in the keywords.

employment labour relations

Rattai v. Hydro One Inc.

2005 CanLII 13786 (ON SC) · 2005-04-28

Labour Dispute: Court Refuses Interlocutory Injunction in Employee Reclassification Case

A merits decision involving a labour dispute where the plaintiff sought an interlocutory injunction to prevent the reclassification of employees pending a decision by the Labour Relations Board. The court ruled that it should defer to the specialized tribunal unless exceptional circumstances exist and found that the plaintiff failed to meet the test for an interlocutory injunction.

interlocutory injunction jurisdiction labour disputes labour relations specialized tribunals

Soulos v. Leitch

2005 CanLII 13790 (ON SC) · 2005-01-17

Collective Agreement Dispute: Arbitration vs. Court Action

A dispute involving the interpretation of a collective agreement and whether the plaintiffs' claims must be resolved through arbitration under the Labour Relations Act, 1995. The court addressed whether the plaintiffs' defamation and interference claims fall within the scope of the arbitration clause and whether the court action should be stayed in favor of arbitration.

arbitration collective agreements defamation labour relations stay of proceedings

The International Union of Painters and Allied Trades, Local 200 v. S & S Glass and Aluminum (1993) Ltd.

2003 CanLII 10562 (ON SC) · 2003-09-22

Labour Relations: Enforceability of OLRB Common Employer Declarations

A labour relations case involving the enforcement of a declaration of common employer under s. 1(4) of the Labour Relations Act, 1995, and whether such declarations are enforceable in garnishment proceedings. The case addresses the interpretation of statutory provisions and the obligations of successor business entities in relation to collective bargaining rights.

collective bargaining common employer declaration enforceability of orders garnishment proceedings labour relations

3782981 Canada Inc. v. Ottawa (City)

2003 CanLII 6942 (ON SC) · 2003-09-18

Employment Jurisdiction Dispute: 3782981 Canada Inc. v. Ottawa

An employment-related case addressing jurisdictional issues under the Courts of Justice Act and the Federal Court Act, involving a dispute between 3782981 Canada Inc. and the City of Ottawa.

courts of justice act employment federal court act jurisdiction labour relations

Claxton v. BML Multi Trades Group Ltd.

2002 CanLII 20968 (ON SC) · 2002-12-13

Employment Jurisdiction Case: Claxton v. BML Multi Trades Group Ltd.

An employment-related case involving jurisdiction and labour relations issues.

employment jurisdiction labour relations

Roberts v. Serca Foodservice Inc.

2001 CanLII 28315 (ON SC) · 2001-10-09

Employment Jurisdiction Case: Roberts v. Serca Foodservice Inc.

An employment-related case involving labour relations and jurisdictional considerations.

employment jurisdiction labour relations

Dunmore v. Ontario (Attorney General)

1997 CanLII 16229 (ON SC) · 1997-12-09

Agricultural Workers' Charter Rights: Exclusion from Collective Bargaining

A constitutional challenge to the exclusion of agricultural workers from the statutory labour relations regime, questioning whether this exclusion violates their Charter rights to freedom of association and equality. The case examines whether the exclusion infringes on these rights and whether such infringement is justified under section 1 of the Charter.

agricultural workers charter rights collective bargaining freedom of association labour relations

United Steelworkers of America, Local 12998 v. Liquid Carbonic Inc.

1996 CanLII 11787 (ON SC) · 1996-06-12

Labour Relations Act: Compensation in Lieu of Reinstatement in Grievance Arbitration

A merits decision involving a grievance arbitration where an arbitrator awarded compensation in lieu of reinstatement after finding no just cause for dismissal. The case examines whether the Labour Relations Act permits such compensation as a lesser penalty and the applicable standard of review for judicial review of the arbitrator’s decision.

grievance arbitration judicial review labour relations labour relations act remedies

Henson v. Ontario Hydro Corp.

1995 CanLII 7291 (ON SC) · 1995-05-16

Union Representation and Confidentiality in Grievance Proceedings

A case addressing whether a union-retained lawyer owes a duty of confidentiality or loyalty to a union member during grievance proceedings, and whether a solicitor-client relationship exists between the lawyer and the member. The case also examines potential conflicts of interest when a union-retained law firm represents the union in litigation initiated by a former member.

conflict of interest duty of confidentiality grievance process labour relations union representation

Sobeys Inc. v. United Food & Commercial Workers' International Union, Local 1000A

1993 CanLII 8631 (ON SC) · 1993-07-30

Labour Relations Case: Sobeys Inc. and UFCW Local 1000A

A labour relations case involving Sobeys Inc. and United Food & Commercial Workers' International Union, Local 1000A, addressing issues under the Labour Relations Act, R.S.O. 1990, c. L.2, s. 65.

employment labour relations labour relations act unionized workplace

Ellis-Don Limited v. Ontario Labour Relations Board and International Brotherhood of Electrical Workers, Local 894

1992 CanLII 6320 (ON SC) · 1992-07-17

Judicial Review of OLRB: Procedural Fairness and Natural Justice

A judicial review case concerning the procedural fairness of the Ontario Labour Relations Board (OLRB), where the applicant alleged a denial of natural justice in the OLRB’s decision-making process. The court examined whether statutory protections for administrative board officers could override natural justice principles and held that procedural transparency is essential in administrative decisions.

administrative law judicial review labour relations natural justice procedural fairness

C.U.P.E. Local 1394 v. Extendicare Health Services Inc. (Ont.Div.Ct.)

1990 CanLII 6904 (ON SC) · 1990-01-26

Labour Relations Grievance Arbitration Case Under Ontario Labour Relations Act

A labour relations case involving grievance arbitration and judicial review under the Labour Relations Act, R.S.O. 1980, c. 228, s. 106(1).

employment grievance arbitration judicial review labour relations labour relations act