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S. Lewis



Contact by email at [email protected]

t. +1 416-601-7859


Law School

University of Toronto

Bar Admission

Ontario, 2013

Atrisha Lewis is a Partner in McCarthy Tétrault’s Litigation Group in Toronto. She is a trial litigator and maintains a litigation practice focused on commercial disputes (including breach of contract and oppression claims), professional liability litigation, and intellectual property disputes. Ms. Lewis has appeared before all levels of Court in Ontario, the Federal Court, and the Federal Court of Appeal. In 2019, Atrisha was elected as bencher of the Law Society of Ontario. 


  • Counsel to the successful defendant in a pension class action in Austin v. Bell Canada, 2019 ONSC 4757
  • Counsel to the successful defendant in a two week breach of contract trial at the Commercial List involving a Labour Sponsored Investment Fund in Growthworks WV Management Ltd. v. Growthworks Canadian Fund Ltd., 2018 ONSC 3108;
  • Counsel to the successful defendant physician in a medical negligence trial in Peller v. Ogilvie-Harris, 2018 ONSC 725;
  • Counsel to the successful defendant physician in a medical negligence trial in Bauer v Kilmurry, 2016 ONSC 7749;
  • Counsel to the successful defendant in Re GrowthWorks Canadian Fund Ltd., 2015 ONSC 6875, a dispute over the interpretation of a contract;
  • Counsel to successful respondent at the Divisional Court in a dispute about the distribution of proceeds from a sale of a winery in Scene Holding Inc. v. Moos, 2014 ONSC 1378;
  • Counsel to the successful plaintiff in patent litigation trial in Abbvie Corporation v. Janssen Inc, 2014 FC 489.

Atrisha has consistently demonstrated her commitment to leadership in the law profession. In 2019, she was recognized as one of Lexpert's Rising Stars: Leading Lawyer Under 40. In 2018, she was recognized as a “Precedent Setter” by Precedent Magazine and was awarded an Arbour Award in recognition of her outstanding volunteer contribution. She is an adjunct professor at the University of Toronto Faculty of Law, coaching the Grant Moot team, and lecturing on topics such as motions and litigation strategy. In her role as Bencher of the Law Society of Ontario, Atrisha is the vice-chair of the Equity and Indigenous Affairs Committee. Atrisha is a champion of equity and diversity within the legal profession.

Atrisha obtained her JD with honours from the University of Toronto, Faculty of Law in 2012. Upon graduation from law school, she was recognized with the Dean’s Key award. This award recognizes a student who has best demonstrated academic excellence and extra-curricular achievement during their time in law school. She also received many other leadership and academic accolades, including the Class of 1967 Prize for placing 3rd in 3rd year, the Gordon Cressy Student Leadership Award, and the BLG Professional Excellence Award. She also obtained a Bachelors of Commerce with Great Distinction at McGill University in 2009, where she concentrated in Accounting and Global Strategy.

Atrisha was called to the Ontario bar in 2013. She is a member of the Law Society of Upper Canada, the Canadian Bar Association, the Ontario Bar Association, and the Advocates’ Society. She is fluent in French.

Vote Atrisha Lewis for Bencher 2019

Vote Atrisha Lewis for Bencher 2019

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