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        Mari Galloway

          About

              Contact    Assistant Contact
            
                T 416-865-2904
                E mgalloway@litigate.com
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                Monica Wasik
                T 416-865-0222
                E mwasik@litigate.com

              Expertise

                  * Practice Areas:
                    + Appeals
                    + Arbitration
                    + Class Actions
                    + Commercial Litigation
                    + Construction and Infrastructure
                    + Insurance
                    + Professional Liability and Regulation
                    + Public Law
                  * Bar Admissions:
                    + Ontario (2020)
                  * Education:
                    + University of Ottawa (2019) JD
                    + Freie Universität Berlin (2016) Master of Arts (Environmental Policy and Planning)
                    + McGill University (2013) BA (Political Science and Environmental Studies)

              Details

                  * Bio
                  * Cases
                  * Associations
                  * Blog Posts
                  * News & Media
                  * Publications & Presentations

                  Mari Galloway (she/her)

                    is an associate at Lenczner Slaght.

                    Mari’s litigation practice includes a broad spectrum of commercial, construction, estates, insurance, and public law matters. She has appeared as counsel at all levels of court in Ontario and regularly appears before administrative tribunals and boards.

                    As a 2020-2021 Harold G. Fox Scholar, Mari worked in chambers with leading Barristers at Middle Temple in London, England on international, private, and public law matters.

                    Mari graduated magna cum laude from the University of Ottawa where she worked as a research assistant for the Centre for Law, Technology and Society, the Refugee Hub and the Environmental Justice project. She mooted throughout her time at the University of Ottawa, participating in both the Nelligan O'Brien Payne First Year Moot Court Competition and the Harold G. Fox Intellectual Property Moot.

                    Prior to attending law school Mari earned a joint master's degree in Environmental Policy and Planning from the Technische Universität and Freie Universität in Berlin, and a bachelor's in Political Science from McGill University.

                    * Cameron Stephens Mortgage Capital Ltd v 3803DSW TAS LP et al

                      Counsel to a commercial mortgage lender on a receivership application and guarantee enforcement action with respect to a defaulted loan concerning a vacant Toronto commercial real estate development. A receiver was appointed, and judgment was obtained against the borrower and guarantor in the amount $17,505,744.44.

                      Matthew B. Lerner , Jonathan Chen , Mari Galloway , Cassie Chaloux & Shane Ramnanan | March 6, 2025

                    * Mueller v Nissan Canada Inc et al

                      Co-counsel to the plaintiff in a certified class action related to timing chains.

                      Peter Griffin , Brian Kolenda , Margaret Robbins & Mari Galloway | January 1, 2025

                    * International Commercial Arbitration

                      Counsel to a general contractor in an arbitration relating to the construction of an international airport.

                      Andrew Parley , Mari Galloway , Sam Hargreaves , Ravneet Minhas & Christina Shiels-Singh | January 1, 2025

                    * Bridging Finance Inc (Re)

                      Counsel in defending an Executive of Bridging Finance in a number of complex civil litigation and mandatory prosecution proceedings, in Canada and in various foreign jurisdictions, regarding breaches of the Ontario Securities Act relating to disclosure obligations as well as allegations of fraud, misappropriation, and conflict of interest.

                      Lawrence E. Thacker , Jonathan Chen & Mari Galloway | October 28, 2024

                    * Loblaw Companies Limited et al v Royal & Sun Alliance Insurance Company of Canada et al

                      Counsel to the appellant, AIG Canada in an important coverage matter arising from opiate class proceedings, and which brought important clarity to defence obligations for long-tail claims spanning multiple insurance policies.

                      Nina Bombier , Shara N. Roy , Sean Lewis & Mari Galloway | February 7, 2024

                    * Max Aicher (North America) Realty Inc v Stelco Inc

                      Counsel to a supplier of hot rolled steel bar products in successfully obtaining an interlocutory injunction preventing the termination of a supply agreement.

                      Lawrence E. Thacker , Jonathan Chen , Mari Galloway & Blerta Gjoci | October 30, 2023

                    * Confidential Matter

                      Counsel to investor in arbitration regarding oppression and dissent claims.

                      Tom Curry , Lynne McArdle , Paul-Erik Veel , Brian Kolenda , Christopher Yung , Mark Andrews-Lee , Zachary Rosen , Mari Galloway , Amy Goudge , Solomiya Zakharchuk , Liza Leshchynska & Christina Shiels-Singh | January 1, 2023

                    * Wood et al v Cook et al

                      Counsel to the successful respondents in an Application by family members challenging the Will of a deceased on the basis of lack of testamentary capacity and undue influence.

                      Brendan F. Morrison , Mari Galloway & Shane Ramnanan | August 16, 2022

                    * 2007414 Ontario Inc v Berman et al

                      Counsel to the plaintiffs in an oppression and breach of contract dispute regarding real estate developments and not for profit corporations.

                      Lawrence E. Thacker , Sean Lewis & Mari Galloway | January 1, 2022

                    * Kalra v Mercedes Benz-Canada Inc

                      Co-counsel to plaintiff in a certified Canadian class action against Daimler AG and Canadian and U.S. subsidiaries in relation to emissions technology. The parties have recently reached a settlement, which the Court approved.

                      Peter Griffin , Brian Kolenda , Margaret Robbins , Sarah Millar , Mari Galloway & Christina Shiels-Singh | June 29, 2017

                  Show more

                    * Canadian Association of Women in Construction

                    * Canadian Bar Association

                    * Ontario Bar Association

                    * The Advocates' Society

                    * Pro Bono Ontario

                    * The Competition Bureau’s Final Word on Greenwashing: What Businesses Need to Know

                      In light of concerns that unsubstantiated or misleading sustainability claims are eroding consumer trust, Canadian legislators took steps last year to increase oversight into environmental claims under the Competition Act.

                      Mari Galloway & Donya Tamehi | June 9, 2025

                    * Court Affirms Extreme Circumstances Required to Restrain Power of Sale

                      A power of sale is a very common mortgage remedy used by lenders where a borrower defaults under the applicable mortgage agreement. In light of the current interest rate environment, the power of sale process has anecdotally been exercised more frequently. Lenders (and borrowers), however, should keep in mind when such a right can be restrained.

                      Jonathan Chen & Mari Galloway | April 3, 2024

                    * Loblaw Companies Limited et al v Royal & Sun Alliance Insurance Company of Canada et al

                      In Canada, numerous class proceedings have launched on behalf of governments and individuals against entities involved in the manufacture and distribution of opioids. These actions claim wrongful acts and damages that extend over 23 years, raising important legal questions for the insurers of these entities as to the extent of their obligation to defend the proceedings on behalf of their insureds.

                      Nina Bombier , Sean Lewis & Mari Galloway | March 7, 2024

                    * Competition Bureau Prioritizes Greenwashing: Keurig Fined $3 Million Over Recyclability Claims

                      The Competition Bureau’s focus on greenwashing continues to grow. This past week, the Bureau announced in a news release that it had reached a $3 million settlement agreement with Keurig Canada Inc. in respect of concerns over misleading and false claims about the recyclability of its single use Keurig K-Cup Pods. The agreement marks a growing trend in enforcement activities against “greenwashing”, the practice of making false or misleading environmental ads or claims about a product’s environmental benefits.

                      Paul-Erik Veel & Mari Galloway | January 12, 2022

                    * SCC Expands the Duty of Honest Performance: Silence or Non-Disclosure Can Now Also Constitute a Breach

                      This past Friday, the Supreme Court of Canada released its much-anticipated decision in C.M. Callow Inc v Tammy Zollinger (“Callow”), the first of two appeals heard in December 2019 seeking clarification on the scope of the organizing principle of good faith recognized in Bhasin v Hrynew (“Bhasin”).

                      Eli S. Lederman & Mari Galloway | December 21, 2020

                    * Thriving Not Surviving: Key Takeaways from the Young Lawyers Summit

                      On November 24, 2020, Canadian Lawyer held the Young Lawyers Summit: Thriving in Today’s Changing Legal Industry. Like everything this year, the group gathered virtually for a packed agenda of panel discussions ranging from becoming a thought leader to making time for mental rest and wellbeing. What follows is a short summary of the sessions that we found particularly relevant given our varied experience and roles at the firm.

                      November 27, 2020

                    * The Greenhouse Gas Pollution Pricing Act and the National Concern Doctrine: A Rights-Based Approach?

                      Over the past two days, the Supreme Court of Canada heard appeals from decisions of the Alberta, Saskatchewan, and Ontario Courts of Appeal on the constitutionality of the federal government’s Greenhouse Gas Pollution Pricing Act (the “GGPPA” or the “Act”).

                      Rebecca Jones & Mari Galloway | September 24, 2020

                    * Lexpert’s Top 10 Business Decisions of 2023–2024

                      Lenczner Slaght was featured twice in Lexpert's Top 10 Business Decisions of 2023-24 for its involvement in Loblaw Companies Limited v Royal & Sun Alliance Insurance Company of Canada and Yatar v TD Insurance Meloche Monnex.

                      Nina Bombier , Sean Lewis & Mari Galloway | November 21, 2024

                    * Welcome Back Sam & Mari

                      Both Sam Hale and Mari Galloway have previously summered, articled, and were associates at the firm. We are thrilled to have them return following their clerkship and pupillage terms, respectively.

                      Samantha Hale & Mari Galloway | September 7, 2021

                    * Lenczner Slaght Welcomes Five New Associates

                      Canada’s leading litigation firm continues to add to its collective experience and knowledge with the addition of five exceptional associates.

                      September 8, 2020

                    * 2024 Snapshot: Through the Lens of Lenczner Slaght

                      Lenczner Slaght launches our 2024 Snapshot, which highlights the most significant developments, decisions, and trends in litigation from the past year across 20 areas of expertise. Reflect on 2024 and look ahead to 2025 through the lens of our expert litigators.

                      February 1, 2025

                    * Teitiota v New Zealand, Climate Migration and Non-refoulement: A Case Study of Canada’s Obligations under the Charter and the ICCPR

                      Mari Galloway's article "Teitiota v New Zealand, Climate Migration and Non-refoulement: A Case Study of Canada’s Obligations under the Charter and the ICCPR" was published in Volume 45, Issue 2 of the Dalhousie Law Journal. The article seeks to explore the application of Teitiota to the Canadian context. The goal is to assess Teitiota’s potential impact on Charter jurisprudence and examine positive steps that Canada may take to build a framework around transnational climate change and disaster displacement.

                      Mari Galloway | September 13, 2022

                    * Competition Bureau Goes After ‘Greenwashing’

                      Paul-Erik Veel and Mari Galloway co-authored the article Competition Bureau Goes After ‘Greenwashing’, which was published by The Lawyer's Daily. In their article, they discuss the Competition Bureau's growing focus on greenwashing, the practice of making false or misleading environmental ads or claims about a product’s environmental benefits.

                      Paul-Erik Veel & Mari Galloway | January 25, 2022

                    * 2021 Nelligan Moot

                      Zachary Rosen and Mari Galloway served as judges at the University of Ottawa's 2021 Nelligan Moot.

                      Zachary Rosen & Mari Galloway | November 13, 2021

                    * New Court-Ordered Validity of Will Under SLRA

                      Anne E. Posno and Mari Galloway co-authored the article New Court-Ordered Validity of Will Under SLRA published by the Law Society of Ontario.

                      Anne E. Posno & Mari Galloway | October 20, 2021

                    * The Unwritten Constitutional Principles and Environmental Justice: A New Way Forward

                      Mari Galloway’s article "The Unwritten Constitutional Principles and Environmental Justice: A New Way Forward" was published in Volume 52, Issue 2 of the Ottawa Law Review.

                      Mari Galloway | March 24, 2021

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