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All judges
KP
Justice Ken Petryshen
ongsb
Reported rulings
5
Practice focus
Employment, Human Rights
Outcomes · all rulings
Plaintiff prevailed
80%
Dismissed
20%
Based on 5 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
Ontario Public Service Employees Union (Hyland) v Ontario (Solicitor General)
2021 CanLII 26637 (ON GSB)
Jan 1, 2021
Ontario Public Service Employees Union (Ceresato) v Ontario (Liquor Control Board)
2018 CanLII 77316 (ON GSB)
Jan 1, 2018
Ontario Public Service Employees Union v. Ontario (Children and Youth Services)
2007 CanLII 40534 (ON GSB)
Jan 1, 2007
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