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P
Justice Patterson
Workplace Safety and Insurance Appeals Tribunal
Reported rulings
15
Practice focus
Employment, Personal Injury
Outcomes · all rulings
Defendant prevailed
53%
Plaintiff prevailed
33%
Mixed / split
13%
Based on 15 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
Decision No. 1029/25
2025 ONWSIAT 1504 (CanLII)
Dec 17, 2025
Decision No. 730/25
2025 ONWSIAT 1413 (CanLII)
Nov 27, 2025
Decision No. 1116/25
2025 ONWSIAT 1391 (CanLII)
Nov 21, 2025
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