Judicial review dismissed; OLRB reasonably found union abandoned bargaining rights through prolonged inactivity.
The applicant union sought judicial review of Ontario Labour Relations Board decisions finding that it had abandoned its bargaining rights for certain construction employees, thereby allowing a rival union's certification application to proceed.
The applicant argued the Board unreasonably departed from precedent by failing to focus on the union's intention to abandon its rights and by ignoring its 2021 negotiating efforts.
The Divisional Court dismissed the application, holding that the Board reasonably applied established principles, properly assessed the objective evidence of the applicant's prolonged inactivity, and correctly concluded that the bargaining rights had been abandoned by 2020 and could not be revived by subsequent conduct.
International Union of Operating Engineers, Local 793 v. Labourers’ International Union of North America, Ontario Provincial District Council, 2025 ONSC 902