Overview

Leah Ostler is a Toronto-based McCarthy Tétrault litigator, currently identified by the firm as Leah Rooney (Ostler). McCarthy's 2025 partnership announcement lists Leah Rooney (Ostler) as an income partner in Litigation, while official 2023 firm materials document her work in pension and class-action litigation.

Practice Areas

• Litigation and Dispute Resolution
• Class Actions
• Pensions, Benefits, & Executive Compensation
• Employment

Bar Information

Called to the bar: 2017 (ON)