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M
Justice Mason
Human Rights Tribunal of Ontario
Reported rulings
11
Practice focus
Human Rights, Administrative
Outcomes · all rulings
Defendant prevailed
27%
Plaintiff prevailed
27%
Mixed / split
18%
Procedural
18%
Dismissed
9%
Based on 11 reported rulings. Past results are not necessarily indicative of future results.
Curia · Appearance strategy

Run heavy on record-based arguments. This judge is historically receptive to plaintiff submissions grounded in contemporaneous medical records. Narrative-heavy expert opinions without corroborating documentation are more likely to be discounted.

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Recent rulings
Case
Citation
Date
Sadler v. Ontario (Children, Community and Social Services)
2026 HRTO 231 (CanLII)
Feb 6, 2026
Thompson v. Dobb
2026 HRTO 191 (CanLII)
Feb 3, 2026
Zindros v. The Regional Municipality of Peel Police Service Board
2026 HRTO 151 (CanLII)
Jan 27, 2026
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