Class Actions
Commercial LitigationNews & Media
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The 2026 edition of Lexpert's Leading 500 Cross-Border Lawyers features 11 of our preeminent lawyers, reflecting their exceptional advocacy and the trusted counsel they provide to clients navigating complex, high-stakes cross-border disputes.
January 15, 2026
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In the latest edition of Best Law Firms in Canada, we are proud to be recognized with 27 Tier 1 rankings nationally and in Toronto. This recognition reflects our team’s deep expertise and commitment to delivering exceptional client service.
October 30, 2025
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Canada’s leading litigation firm continues to be recognized in world-renowned directory, with new rankings highlighting its deep bench of expertise.
September 25, 2025
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As recognized leaders of the bar, our lawyers will help advance the mission of Canada’s leading organization for litigators – fostering a national, collegial community of advocates committed to excellence inside and outside the courtroom.
August 6, 2025
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Peers and senior members of the legal profession across the country continue to recognize the depth and breadth of Canada’s leading litigation firm in the latest 2025 Canadian Legal Lexpert Directory.
March 11, 2025
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Brian Kolenda was interviewed by Global TV News, where he shared his expert insights on the Supreme Court's decision allowing other provinces and the federal government to join British Columbia's class action lawsuit against pharmaceutical companies that manufacture opioids.
Brian Kolenda | November 29, 2024
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In Lexpert’s Special Edition on Litigation, Brian Kolenda was interviewed for an article feature on class actions. Brian provided his expert insights on the trends and developments that have reshaped the class action landscape in Canada over the past year.
Brian Kolenda | November 21, 2024
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Lenczner Slaght is proud to announce its recognition as Law Firm of the Year in Corporate and Commercial Litigation and Medical Negligence in the inaugural edition of Best Law Firms in Canada.
November 6, 2024
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Canada’s leading litigation firm continues to advance their position in the latest edition of the world-renowned directory.
September 26, 2024
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We are pleased to announce that Sahar Talebi, Aoife Quinn, Aaron Grossman, Christopher Yung, Paul-Erik Veel, and Andrew Parley will be serving prominent leadership positions at The Advocates’ Society, a preeminent organization dedicated to promoting effective advocacy and access to justice.
July 2, 2024
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Paul-Erik Veel was interviewed by Canadian Lawyer Magazine, where he comments further on Lundin Mining Corporation v Dov Markowich. Paul-Erik emphasized the importance of clarifying the definition of "material change" in securities law. He also highlighted potential burdens on publicly traded companies with overly broad interpretations, impacting both business operations and meaningful investor information.
Paul-Erik Veel | April 16, 2024
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Lenczner Slaght’s litigators continue to be recognized by their peers as the foremost practitioners in their fields.
March 5, 2024
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Canada’s leading litigation firm and its expert litigators continue to be recognized by world-renowned directory, Chambers & Partners.
September 28, 2023
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Following comprehensive peer review surveys and interviews with senior members in the legal profession, the 2023 Canadian Legal Lexpert Directory has recognized 31 of the firm’s expert litigators for their experience, knowledge, and precision, with 108 rankings spanning 17 practice areas.
March 1, 2023
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Paul-Erik Veel and Drew Black, successfully represented the Law Foundation of Ontario in a recent Court of Appeal decision which confirms a broad interpretation as to what kinds of class actions count as public interest cases. The Lawyer's Daily wrote a feature on the decision.
Paul-Erik Veel & Drew Black | December 23, 2022
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In the latest Lexpert Special Edition on Litigation, Paul-Erik Veel shared his expert insights on class actions certification.
Paul-Erik Veel | November 23, 2022
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Monique Jilesen will bring her extensive and formidable experience to the Law Foundation of Ontario's Class Proceedings Committee.
Monique Jilesen | October 27, 2022
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Canada’s leading litigation firm and its expert litigators continue to be recognized in the latest edition of world-renowned directory, Chambers & Partners.
September 29, 2022
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In the latest edition of Best Lawyers in Canada, 39 of our expert litigators are recognized by their peers for their expertise across 24 practice areas.
August 25, 2022
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We are pleased to announce that Brendan Morrison, Christopher Yung, Paul-Erik Veel, Andrew Parley, Nina Bombier, and Anne Posno will be serving prominent executive positions at The Advocates’ Society, a preeminent organization dedicated to promoting effective advocacy and access to justice.
June 28, 2022
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31 of our expert litigators are recognized by their peers as the foremost practitioners across 18 fields.
February 25, 2022
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Lenczner Slaght continues to be recognized as the #1 firm in Toronto for Litigation and Commercial Litigation by the 2022 Lexpert®/American Lawyer Guide to the Leading 500 Lawyers in Canada.
January 6, 2022
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Daimler AG and its Canadian and American Mercedes-Benz subsidiaries have agreed to settle a class proceeding concerning approximately 83,000 "BlueTEC" diesel vehicles in Canada. The proposed settlement provides for cash payments and other benefits to current and former owners and lessees.
Peter Griffin, Brian Kolenda & Margaret Robbins | December 10, 2021
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Canada’s leading litigation firm and its expert litigators continue to advance their position in the latest edition of world-renowned directory, Chambers & Partners.
September 9, 2021
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Canada’s leading litigation firm continues to be recognized with the top tier ranking of “Highly Recommended in Ontario” for its Dispute Resolution practice.
May 3, 2021
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An increasing number of our expert litigators are recognized by their peers as the foremost practitioners in their fields.
April 22, 2021
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The 2021 Lexpert®/American Lawyer Guide to the Leading 500 Lawyers in Canada continues to recognize Lenczner Slaght as the #1 firm in Toronto for Litigation and Commercial Litigation.
December 17, 2020
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Canada’s leading litigation firm and its expert litigators continue to be recognized by world-renowned directory, Chambers & Partners.
September 9, 2020
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Monique Jilesen was interviewed by the Globe & Mail in their article “Proposed Sinopec lawsuit highlights risk of underpaying workers on overtime”. In this article, Monique discusses the class action lawsuits that could arise from the COVID-19 pandemic.
Monique Jilesen | September 6, 2020
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Lenczner Slaght is proud to announce that 33 of our expert litigators are recognized in Best Lawyers in Canada 2021. Our lawyers received a total of 128 rankings, up from 100 in 2020.
August 27, 2020
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Lenczner Slaght’s litigators continue to be recognized by their peers as the foremost practitioners in their fields.
April 24, 2020
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Paul-Erik Veel was interviewed by CTV News for the Your Morning Show on February 10. Paul-Erik commented on the proposed Class Actions brought against Canadian cannabis companies in the U.S. and their implications on the cannabis industry in Canada.
Paul-Erik Veel | February 10, 2020
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In this Law Times article, Paul-Erik Veel shares his expert opinion on the proposed changes to class action certification tests in Bill 161, the Smarter and Stronger Justice Act, 2019.
Paul-Erik Veel | January 9, 2020
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Canada’s leading litigation firm continues to be recognized as the #1 firm in Toronto for Litigation and Commercial Litigation by the 2020 Lexpert®/American Lawyer Guide to the Leading 500 Lawyers in Canada.
December 13, 2019
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Paul-Erik Veel was quoted in the Canadian Lawyer article SCC rules that class actions in lawsuits against tech giants can proceed.
Paul-Erik Veel | September 24, 2019
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Canada’s leading litigation firm and its expert litigators continue to advance their position in the latest edition of world-renowned directory, Chambers Canada, with nine new rankings.
September 19, 2019
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In the latest edition of Best Lawyers in Canada, 28 Lenczner Slaght lawyers earned a total of 100 rankings, up from 86 in 2019.
August 21, 2019
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Paul-Erik Veel was mentioned in the Law Times article “Pre-certification motion can be efficient” on October 28, 2018. This article discusses why the launch of a pre-certification motion in a proposed class action may be worthwhile.
Paul-Erik Veel | October 29, 2018
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Canada’s leading litigation firm is proud to announce that 25 of the firm’s 58 lawyers have been recognized in the Best Lawyers in Canada 2019 publication across multiple categories.
August 21, 2018
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Monique Jilesen was mentioned in the Law Times article “Crown must pay costs after being ‘overly enthusiastic’” on July 30, 2018.
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Monique Jilesen, a partner at Lenczner Slaght Royce Smith Griffin LLP, says lawyers must tread carefully when they get into the merits of a proposed class action, even as early as certification, as parties try to get as much information as possible.
That’s especially the case with expert witnesses, since Canadian procedure doesn’t usually have discovery of expert witnesses in advance of trial.
“It was just a disproportionate request to what was being asked,” Jilesen says, who was not involved in the case.
Monique Jilesen | July 30, 2018
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Paul-Erik Veel is quoted in the Law Times article Viability of umbrella purchaser claims in question on April 23, 2018. This article discusses the intensifying debate over the viability of umbrella purchaser claims.
Paul-Erik Veel | April 23, 2018
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An increasing number of the firm’s lawyers have been ranked by their peers as leading practitioners in their field.
April 12, 2018
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Paul-Erik Veel is quoted in the Canadian Underwriter article Gift cards–a new way to reduce liability on January 26, 2018. This article discusses Loblaws' response to the revelations of bread price-fixing.
Paul-Erik Veel | January 26, 2018
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Canada’s leading litigation firm is one of two firms with the highest number of lawyers ranked in Corporate Commercial Litigation in the 2018 Lexpert®/American Lawyer Guide to the Leading 500 Lawyers in Canada.
December 12, 2017
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Monique Jilesen appears on the cover of the 2017 issue of Lexpert/ROB Special Edition: Canada's Leading Litigation Lawyers. She is also quoted in the article The Anonymous Representive where she discusses anonymous representative plaintiffs in Canadian class action law suits.
Monique Jilesen | November 24, 2017
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The two firms have combined forces and launched a class proceeding against Nissan, and other defendants, alleging that certain Nissan models contain a dangerous engine defect.
October 5, 2017
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Canada’s leading litigation firm and its expert lawyers are ranked once again by Chambers & Partners for their exceptional litigation work.
September 28, 2017
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Almost half of the leading litigation firm’s lawyers are recognized in the Best Lawyers in Canada.
August 22, 2017
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Lenczner Slaght’s litigators continue to be recognized by their peers as leading practitioners in their fields according to the 2017 Canadian Legal Lexpert Directory.
May 5, 2017
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Canada’s leading litigation firm continues to attract top talent.
Jonathan Chen | April 3, 2017
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The firm’s litigators earned the top rankings alongside full-service, national and international counterparts in the litigation categories.
March 29, 2017
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Canada’s leading litigation boutique leads all firms with 10 lawyers ranked in litigation practice areas in the 2017 Lexpert®/American Lawyer Guide to the Leading 500 Lawyers in Canada (“ALM 500”)
January 4, 2017
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Fifteen Lenczner Slaght lawyers have been ranked in the Lexpert 2016 Guide to the Leading U.S/Canada Cross-Border Litigation Lawyers in Canada
November 25, 2016
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Nearly half of the firm’s lawyers recognized among Canada’s foremost practitioners
August 10, 2016
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Lenczner Slaght and Koskie Minsky have combined forces to launch a class proceeding against Mercedes-Benz Canada Inc., Daimler AG, and other defendants...
Peter Griffin & Andrew Skodyn | April 7, 2016
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Canada's leading litigation practice recognized in tier one for 14 consecutive years.
March 30, 2016
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Canada's leading litigation practice once again tops the list of litigation firms in the 2016 Lexpert®/American Lawyer Guide to the Leading 500 Lawyers in Canada.
February 4, 2016
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Canada's leading litigation practice acted as counsel on the top case in Lexpert's annual ranking
January 11, 2016
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Recognition of Lenczner Slaght lawyers as Canada's Leading Cross-Border Litigators Endures
December 8, 2015
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Half of the firm's lawyers are ranked as leading practitioners and three named "Lawyer of the Year" in the latest Best Lawyers in Canada Directory.
August 24, 2015
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Recognized by Canadian Legal Lexpert® Directory as leading practitioners.
June 25, 2015
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Monique Jilesen was quoted on the decision in the Nortel Networks Corporation case both by the Lawyers Weekly on June 19, 2015 and the July issue of Bottom Line Newspaper published by Lexis Nexis Canada Inc.
Monique Jilesen | June 19, 2015
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Lawrence Thacker was quoted in Law Times on June 1, 2015 in relation to the recent ruling granting carriage to a group of law firms in the Barrick Gold Corp. class action.
Lawrence E. Thacker | June 1, 2015
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Lawrence Thacker was quoted in the Financial Post on May 27, 2015 in relation to the issue of mass tort litigation as an alternative to class actions.
Lawrence E. Thacker | May 27, 2015
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Rebecca Jones is quoted in the April 20, 2015 issue of Law Times on summary judgements and class actions.
Rebecca Jones | April 22, 2015
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Canada's leading litigation practice remains highly regarded for 13 consecutive years.
April 2, 2015
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13 Lenczner Slaght lawyers recognized in the 2015 Benchmark Litigation Directory.
March 30, 2015
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Alan J. Lenczner and Brendan Morrison were featured in the Fall/Winter issue of the University of Toronto's UTLaw Alumni Magazine regarding the Yaiguaje et al. v. Chevron Corporation et al. case.
Alan J. Lenczner & Brendan F. Morrison | March 9, 2015
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Canada's leading litigation practice is once again ranked #1 in The 2015 Lexpert/American Lawyer Guide to the Leading 500 Lawyers in Canada.
January 6, 2015
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14 Lenczner Slaght litigators ranked in Lexpert 2014 Guide to the Leading U.S/Canada Cross-Border Litigation Lawyers in Canada.
December 18, 2014
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Lawrence Thacker was quoted in the October 3, issue of the Lawyers Weekly published by LexisNexis Canada Inc.
Lawrence E. Thacker | October 3, 2014
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Lawrence Thacker was quoted in the Financial Post on September 19, 2014 in relation to a Supreme Court of Canada decision on whether provincial consumer protection legislation applies to federally regulated financial institutions.
Lawrence E. Thacker | September 19, 2014
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Monique Jilesen was quoted in the September 1, 2014 issue of Law Times regarding overtime cases in Ontario.
Monique Jilesen | September 1, 2014
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Nearly half of the firm's 49 lawyers are ranked as leading practitioners and two named "Lawyer of the Year" in the latest Best Lawyers in Canada Directory.
August 27, 2014
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Mark Veneziano was quoted in the July, 2014 issue of Lexpert - the Business Magazine for Lawyers.
Mark Veneziano | July 9, 2014
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Canada's leading litigation practice continues to add new names to the list.
June 3, 2014
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Mark Veneziano was quoted in the Financial Post on May 28, 2014 following his interview with Drew Hasselback.
Mark Veneziano | May 28, 2014
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Lawrence E. Thacker was quoted in the Financial Post on May 28, 2014 following his interview with Julius Melnitzer.
Lawrence E. Thacker | May 28, 2014
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Lawrence Thacker was quoted in this Financial Post article on April 23, 2014.
Lawrence E. Thacker | April 24, 2014
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Canada's leading litigation practice remains in Band 1 for 12th consecutive year.
March 25, 2014
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Canada's leading litigation practice grows to 20 partners with newest additions.
Rebecca Jones | January 28, 2014
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Canada's leading litigation practice is once again ranked #1 in The 2014 Lexpert/American Lawyer Guide to the Leading 500 Lawyers in Canada.
January 21, 2014
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Alan J. Lenczner, Q.C. and Brendan F. Morrison act for villagers from Ecuador's rainforest which filed a lawsuit in Canada against Chevron to compel the...
Alan J. Lenczner & Brendan F. Morrison | December 17, 2013
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Canada's leading litigation practice also wins two national impact cases.
February 13, 2013
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Lawrence E. Thacker comments in the National Post on the right of class members to opt-out in class action litigation.
Lawrence E. Thacker | May 30, 2012
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Recognized by Canadian Legal Lexpert Directory as leading practitioners.
May 29, 2012
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