- Parties: The applicant was the Public Service Alliance of Canada. The respondent was Paul Abi-Mansour. 

- Subject Matter: This applicant – a certified bargaining agent under the Federal Public Sector Labour Relations Act, 2003 (FPSLRA) – sought a vexatious litigant order under s. 40(1) of the Federal Courts Act, 1985. The respondent was a member of one of the bargaining units for which the applicant was certified under the FPSLRA. The application arose from the respondent's unsuccessful complaint against the applicant under s. 187 of the FPSLRA. The complaint alleged that the appellant breached its duty of fair representation by failing to support him in a grievance against his employer. This case is ongoing. 

- Date: The hearing was set on Mar. 13, 2025. 

- Venue: This was a federal case before the Federal Court of Appeal. 

- Amount: No financial award was specified.