Mary Paterson

Mary was ranked as a Benchmark Litigation Canada 2018 Future Star – Ontario (Arbitration; Bankruptcy; Class Action; General Commercial); an Acritas 2018 Star Lawyer; and an Benchmark Litigation, 2017, rising star in the Under 40 Hotlist. Mary’s commercial litigation practice focuses on tax litigation, contract disputes in court or in arbitrations and other general commercial litigation, and assisting stakeholders in receiverships, bankruptcies and proceedings pursuant to the Companies’ Creditors Arrangement Act. Mary has appeared in the Ontario Court of Appeal, the Ontario Divisional Court, the Ontario Superior Court (including the Commercial List), the Federal Court, the Alberta Court of Appeal, the Alberta Court of Queen’s Bench, the British Columbia Supreme Court, the Manitoba Court of Queen’s Bench, the Supreme Court of Newfoundland and Labrador, and the Tax Court of Canada. Before joining Osler, Mary clerked at the Court of Appeal for Ontario. Mary worked to establish several pro bono programs within the firm and has appeared in the Court of Appeal on a pro bono basis numerous times. She won a 2011 Lexpert Zenith Award for her work assisting a UN employee obtain a widower’s benefit after his same-sex partner died while working for the UN. Mary is a contributing author to the LexisNexis Practice Advisor Canada Insolvency & Restructuring module.