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P
Justice Petrykowski
Workplace Safety and Insurance Appeals Tribunal
Reported rulings
18
Practice focus
Employment, Personal Injury
Outcomes · all rulings
Plaintiff prevailed
50%
Defendant prevailed
28%
Mixed / split
22%
Based on 18 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. 507/25
2025 ONWSIAT 1495 (CanLII)
Dec 16, 2025
Decision No. 6/25
2025 ONWSIAT 1420 (CanLII)
Nov 28, 2025
Decision No. 585/25I
2025 ONWSIAT 1365 (CanLII)
Nov 18, 2025
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