Ontario Severance

Union Dispute — Ontario Employment Law

8 casesDecisions from 1975–2017

About Union Dispute

For unionized workers in Ontario, the relationship with an employer is just one part of the workplace dynamic. A "union dispute" often refers to a conflict involving the worker and the union itself, or disagreements between fellow union members. These disputes can take many forms, from complaints that a union failed to properly represent an employee, to internal defamation accusations, to complex disagreements over union trust funds and governance. Navigating these conflicts requires a careful understanding of where to assert your rights.

The most significant hurdle workers face in a union dispute is jurisdiction. In Ontario, the Labour Relations Act, 1995 deeply governs how unionized environments operate. The established legal framework dictates that if a dispute's essential character arises from a collective agreement, it belongs in front of a labour arbitrator, not a judge. Consequently, when frustrated workers attempt to launch civil lawsuits against their union or employer in the Superior Court of Justice for workplace mistreatment or failure to investigate complaints, judges routinely strike these claims down. The courts generally refer these matters to the Ontario Labour Relations Board (OLRB) or the grievance procedure.

However, there are rare instances where civil courts will intervene. For example, if a union member is actively targeted and defamed by fellow workers or union officials out of sheer malice—such as false, calculated accusations of sabotaging equipment—a court may entertain a civil defamation claim. In these narrow scenarios, the defence of qualified privilege that normally protects internal union communications can be defeated by proven malice. Similarly, highly specific conflicts regarding entitlement to excess funds in union trust accounts may cross over into civil litigation, though these cases are notoriously complex and time-consuming.

Because the line dividing what belongs at the labour board, what goes to arbitration, and what a civil court might accept is highly technical, securing independent legal guidance is crucial to ensure you are taking action in the legally correct forum.

Frequently Asked Questions

Can I sue my union in civil court if they mishandle my grievance?

Generally, no. Ontario courts routinely dismiss civil lawsuits against unions for failing to adequately advance a grievance. Your appropriate legal avenue is usually to file a duty of fair representation complaint directly with the Ontario Labour Relations Board.

What happens if union officials spread false rumours about me?

While internal union communications generally enjoy "qualified privilege" protecting them from defamation claims, this protection vanishes if statements are made with malice. If fellow members maliciously spread damaging lies about you, a civil defamation lawsuit might be possible.

How quickly do I need to act if I have an issue with my union?

Time limits are strict when dealing with labour matters. If you are filing a complaint with the OLRB against your union, you must do so promptly; excessive or unexplained delay can result in the Board dismissing your case before holding a hearing.

Why did a judge throw out my lawsuit against union leadership?

Judges often strike down statements of claim against unions because of jurisdiction issues. If the fundamental dispute relates to the workplace, union governance, or a collective agreement, it legally belongs in arbitration or at the labour board, not the Superior Court.

When does it make sense to hire a lawyer for a dispute with my union?

You should speak with an independent employment lawyer whenever you feel stuck between an uncooperative union and an unfair employer. An outside lawyer cannot automatically take over your grievance, but they can assess whether you have grounds for an OLRB complaint or a rare civil action.

Common Scenarios

  • An assembly line worker feels their union steward completely ignored targeted harassment complaints from peers, prompting the worker to seek recourse against the union leadership at the labour board.
  • A tradesperson is maliciously accused by fellow union members of intentionally damaging workplace equipment, leading to lost income and a civil defamation lawsuit to clear their name.
  • A disgruntled employee drafts a long civil lawsuit in the Superior Court alleging years of union mismanagement and mistreatment, only to have the employer and union successfully move to strike the claim because it belongs in arbitration.
  • Members of a specific union local discover an ongoing dispute over how surplus money in a union trust fund is being allocated, triggering a complicated legal battle regarding fiduciary obligations.

What You Should Know

  • Before accusing your union of failing you, ensure you have documented all your attempts to communicate with your union representatives and requested updates on your grievance in writing.
  • Do not assume you can bypass your union's grievance procedure simply by hiring a lawyer to sue your employer; the courts almost always defer workplace claims back to the arbitration process if a collective agreement is in place.
  • If you believe fellow union members are defaming you, meticulously record dates, witnesses, and the exact statements made, as concrete proof of malice is required to succeed in court.
  • Consult an independent legal professional before spending money to file a lawsuit in Superior Court, as launching a claim in the wrong jurisdiction often results in the case being thrown out and you paying the union's legal costs.

Featured Cases

S. v OPSEU

2017 ONSC 995 (CanLII) · 2017-02-09

S. v OPSEU: Union Dispute Jurisdiction

This is a procedural ruling in an action where the plaintiff alleged mistreatment by union officials and failure to investigate complaints. The court reviewed the statement of claim under Rule 2.1.01, finding the allegations non-justiciable and bearing hallmarks of querulant litigation. The court determined that any cognizable claims fell within the jurisdiction of the Ontario Labour Relations Board rather than the Superior Court of Justice.

abuse of process civil procedure jurisdiction labour relations union dispute

S. v. International Brotherhood et. al.

2014 ONSC 7305 (CanLII) · 2014-12-18

Union Trust Fund Dispute: Jurisdiction & Rule 21 Motion

This case addresses a Rule 21 motion to strike a Statement of Claim brought by plaintiffs against their union, involving issues of jurisdiction between the Superior Court and the Ontario Labour Relations Board, as well as entitlement to excess funds in a union trust fund. The motion was dismissed due to significant delay and the presence of factual issues requiring a trial.

jurisdiction labour relations board rule 21 motion trust fund union dispute

B. et al v. P. et al

2013 CanLII 54779 (ON SC) · 2013-09-03

Union Class Action Costs: 15-Year Litigation

This is a costs ruling in a 15-year class action litigation involving union officers and members alleging breaches of union obligations. The court addressed whether the defendants' unlawful conduct during litigation precluded cost recovery despite their success on the merits. The plaintiffs and defendants were ordered to bear their own costs.

class action costs award labour relations party conduct union dispute

Teibas Ltd. v. Maintenance Construction and Skilled Trades Council

2011 ONCA 19 (CanLII) · 2011-01-05

This is an appeal to the Court of Appeal from a motion judge's decision concerning the interpretation of a Trust Agreement in a labour relations context. The parties were Teibas Ltd. (administrator of the Trust), the Maintenance Construction and Skilled Trades Council, and the Toronto District School Board. The motion judge decided that the collective agreement between the Council and the School Board did not meet the definition of a collective agreement under the Trust Agreement. The Court of Appeal allowed the appeal, finding that the union affiliated with the Council was bound by the agreement, thus bringing it within the required definition. The Court substituted an order indicating the collective agreement qualifies for the purpose of the Trust Agreement.

collective agreements labour relations trust agreements union dispute

H. v. D.

1998 CanLII 14642 (ON SC) · 1998-01-27

Defamation in Union: Malice Defeats Privilege

This is a defamation case arising in the context of a union dispute where the plaintiff, a projectionist and union member, was accused by fellow employees of sabotaging equipment. The court found that the defence of qualified privilege was defeated by malice, as the defendants continued to make defamatory allegations after the plaintiff was cleared in a union trial. The court awarded damages for mental distress, loss of reputation, and lost income.

damages defamation malice qualified privilege union dispute

West Park Hospital v. S.E.I.U., Local 204

1993 CanLII 8481 (ON CA) · 1993-03-11

West Park Hospital v. SEIU: Pay Equity Appeal

This is an appeal to the Court of Appeal for Ontario concerning a labour dispute between West Park Hospital and the S.E.I.U., Local 204. The central issue involves pay equity obligations under the Hospital Labour Disputes Arbitration Act and the Pay Equity Act.

hospital arbitration labour relations pay equity union dispute

Canadian Union of Public Employees v. Canadian Broadcasting Corp.

1992 CanLII 8644 (ON CA) · 1992-05-21

Union Arbitration: Natural Justice & Jurisdiction

This is an appeal concerning the jurisdiction of an arbitrator to resolve disputes between unions and the procedural fairness of the arbitration process. The Court of Appeal held that the failure to provide notice of arbitration proceedings to significantly affected unions constituted a denial of natural justice, resulting in the quashing of the arbitration award.

arbitration labour relations natural justice procedural fairness union dispute

Re Weston Bakeries Ltd. and Milk & Bread Drivers, Dairy Employees, Caterers & Allied Employees, Local 647

1975 CanLII 2160 (ON HCJDC) · 1975-11-10

This is a labour relations dispute concerning overtime entitlements and rates between an employer and a unionized workforce. The case addresses the interpretation of weekly rates and hours worked under the relevant collective agreement or employment standards.

collective agreements employment standards overtime union dispute