R.W. Tomlinson Limited v. Labourers’ International Union of North America, Local 527

2025 ONCA 861 (CanLII)Court of Appeal for OntarioDecided Labour relations

Labour Arbitration Jurisdiction: Weber Approach

Summary

An appeal concerning the jurisdiction of a labour arbitrator versus the courts in a dispute between an employer and a union. The Court of Appeal affirmed the arbitrator's exclusive jurisdiction over claims arising from the collective agreement but ordered a temporary stay for non-party claims pending arbitration.

Outcome

appeal allowed in part

Key Factors

  • labour arbitration
  • arbitral jurisdiction
  • Weber contextual approach
  • collective agreement
  • temporary stay

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