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K
Justice Kosmidis
Workplace Safety and Insurance Appeals Tribunal
Reported rulings
11
Practice focus
Employment, Personal Injury
Outcomes · all rulings
Plaintiff prevailed
45%
Mixed / split
27%
Defendant prevailed
27%
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
Decision No. 946/25
2025 ONWSIAT 1493 (CanLII)
Dec 16, 2025
Decision No. 819/25
2025 ONWSIAT 1454 (CanLII)
Dec 8, 2025
Decision No. 812/25
2025 ONWSIAT 1435 (CanLII)
Dec 2, 2025
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