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Our lawyers are distinguished by their wealth of litigation experience – gained through regular appearances in all levels of the courts, before administrative and regulatory tribunals, as well as mediation and arbitration. Lenczner Slaght partners, ranked among the best of their peers nationally, lead a recruitment and mentoring program that attracts gifted litigators who are committed to upholding the highest professional standards.

From commercial disputes and class actions to cross-border matters and professional regulation, we bring expert strategy – backed by rigorous research, data management and administrative support – to highly demanding cases in all litigation practice areas.

Awards

In recent years, Lenczner Slaght has received several industry-leading awards to recognize the firm’s excellence in litigation, client service, innovation, and commitment to equity, diversity, and inclusion.

  • Chambers Canada Awards – Litigation/Dispute Resolution Law Firm of the Year (2021)
  • Best Lawyers in Canada – Administrative & Public Law Firm of the Year (2022)
  • Canadian Law Awards – Litigation & Dispute Resolution Boutique Law Firm of the Year (2020-2021)
  • Canadian Law Awards – Mid-Market Deal of the Year (2021)
  • Benchmark Canada Awards – Ontario Firm of the Year (2021)
  • Precedent Innovation Awards – Commerciallist.com (2020)
  • Canadian Law Awards – Canadian Boutique Law Firm of the Year (2020)
  • Benchmark Canada Awards – Medical Defense/Health Firm of the Year (2019 & 2020)
  • Precedent Innovation Awards – R&R Lounge (2019)
  • Legal Marketing Association’s Eastern Canada Your Honor Awards – Client Services: ReferToHer (2019)
  • Legal Marketing Association’s Your Honor Awards – Content Marketing: commerciallist.com (2019)
  • Benchmark Canada Awards – Ontario Firm of the Year (2018)
  • Life Sciences Awards – Canadian Patent Contentious Firm of the Year (2017)
  • Life Sciences Awards – Canadian Firm to Watch (2017)
  • Legal Marketing Association’s Your Honor Awards – Website, Analytics, and SEO: litigate.com (2017)
  • Chambers Canada Awards – Dispute Resolution Team of the Year (2015)

Chambers Global

For the 19th consecutive year, Lenczner Slaght has been ranked by Chambers Global 2021 for its dispute resolution expertise alongside notable full-service, national and international firms.

In addition to the firm's ranking, four of our lawyers are recognized for their litigation excellence:

Clients had this to say about our firm:

“They are an excellent firm, an excellent team; high-performing, responsive and strategic.”

"They were sensitive to my needs as a client and were a very comforting source in an otherwise stressful situation."

“[Their lawyers are] intelligent, responsive, and very experienced in the area."

Chambers Canada

After extensive research and interviews with firm clients and legal professionals across Canada, Chambers Canada 2022 highlights Lenczner Slaght’s expertise in the following areas:

  • Dispute Resolution: Class Actions (Defence) (Nationwide – Canada)
  • Healthcare: Contentious (Nationwide – Canada)
  • Insurance: Dispute Resolution (Nationwide – Canada)
  • Litigation: Administrative & Public Law (Ontario)
  • Litigation: General Commercial (Nationwide – Canada)
  • Litigation: General Commercial (Ontario)
  • Litigation: Securities (Ontario)

In addition to the firm’s rankings, 14 Lenczner Slaght lawyers are ranked as some of the top litigators in their field for their exceptional expertise and knowledge.

  • Paul-Erik Veel – Healthcare: Contentious (Nationwide – Canada)
  • Sana Halwani – Intellectual Property: Litigation (Nationwide – Canada)
  • Shara N. Roy – Litigation: Securities (Ontario)
  • Rebecca Jones – Healthcare: Contentious (Nationwide – Canada); Litigation: Administrative & Public Law (Ontario)
  • Matthew Sammon – Employment & Labour: Non-Unionised Employees; Healthcare: Contentious (Nationwide – Canada)
  • Monique Jilesen – Litigation: General Commercial (Ontario)
  • Risa Kirshblum – Healthcare: Contentious (Nationwide – Canada)
  • Lawrence E. Thacker – Dispute Resolution: Arbitration (Nationwide – Canada)
  • Peter J. Osborne – Litigation: General Commercial (Ontario)
  • Tom Curry – Dispute Resolution: Class Action (Defence) (Nationwide – Canada); Healthcare: Contentious (Nationwide – Canada); Litigation: General Commercial (Ontario)
  • William C. McDowell – Litigation: Administrative & Public Law (Ontario)
  • Peter Griffin – Dispute Resolution: Class Action (Defence) (Nationwide – Canada); Litigation: General Commercial (Ontario); Litigation: Securities (Ontario)
  • Glenn Smith – Insurance: Dispute Resolution (Nationwide – Canada)
  • Ian Binnie – Dispute Resolution: Most in Demand Arbitrators (Nationwide – Canada)

Canadian Legal Lexpert® Directory

The 2021 Canadian Legal Lexpert® Directory recognizes the professional excellence of 30 lawyers at Lenczner Slaght, who have been ranked among Canada's best in the annual peer-based ratings conducted by Lexpert, a leading source of news and information about the Canadian legal profession.

The following Lenczner Slaght lawyers have been selected through peer surveys as leading practitioners in their field: Ian Binnie, C.C., Q.C.Glenn Smith, Peter Griffin, Tom Curry, William C. McDowell, Peter Osborne, Anne Posno, Lawrence E. ThackerRisa Kirshblum, Cynthia L. TapeScott RollwagenMark VenezianoNina BombierMonique Jilesen, Eli Lederman, Matthew Sammon, Rebecca Jones, Colin JohnstonJaan Lilles, Shara Roy, Dena Varah, Sana Halwani, Matthew B. Lerner, Andrew ParleyPaul-Erik Veel, Amanda Smallwood, Ian MacLeodBrian Kolenda, Andrew Porter, and Brendan F. Morrison.

Also in this directory, Lexpert has once again placed Lenczner Slaght at the centre of the Bull's Eye – its highest possible rating for a litigation practice.

Click here for the Lexpert® "Litigation – Toronto" Bull's-eye graphic.

Click here for the Lexpert® "Commercial Litigation – Toronto" Bull's-eye graphic.

Best Lawyers in Canada

Best Lawyers in Canada is an annual guide to the international legal profession.

Since the annual peer ratings were inaugurated in Canada in 2006, Lenczner Slaght has been recognized for the excellence of its practitioners in a wide range of areas.

The 2022 Best Lawyers in Canada guide recognizes the following Lenczner Slaght lawyers: Ian BinnieGlenn Smith, Peter Griffin, Tom Curry, William C. McDowell, Peter J. Osborne, Anne E. Posno, Lawrence E. Thacker, Risa M. Kirshblum, Cynthia L. TapeMark A. Veneziano, Scott RollwagenNina Bombier, Monique JilesenEli S. Lederman, Matthew Sammon, Rebecca Jones, Colin Johnston, Jaan Lilles, Shara N. Roy, Dena N. Varah, Sana Halwani, Matthew B. Lerner, Andrew ParleyPaul-Erik Veel, Brian KolendaAmanda SmallwoodIan MacLeod, Andrew Porter, Brendan F. Morrison, Aaron I. Grossman, Jonathan Chen, and Andrea Wheeler.

Further, Delna Contractor, Kaitlin Soye, Veronica C. Tsou,and Margaret Robbins are recognized in the inaugural edition of Best Lawyers: Ones to Watch in Canada. 

In addition to the rankings, Lenczner Slaght is also named Law Firm of the Year in Administrative & Public Law.

Legal 500 Canada

Following comprehensive research, client feedback, and interviews with leading lawyers in the industry, Lenczner Slaght continues to be ranked in Tier 1 for Dispute Resolution. The firm is also recognized for its expertise in Insurance, Intellectual Property, Labour and Employment, and Restructuring and Insolvency.

Dispute Resolution

Leading Lawyers:

Next Generation Partner

Recommended Lawyers

Rising Stars

Legal 500 had this to say about our expert litigators:

Lenczner Slaght remains one of the dominant figures in dispute resolution across Canada, fielding a large team of experts in various disciplines from its office in Toronto. Lawyers have extensive experience at all levels of the courts, before administrative and regulatory tribunals, and in mediation and arbitration proceedings, and the firm is a regular fixture in the country’s ground-breaking contentious cases.

Insurance

Leading Lawyer:

Recommended Lawyer

Litigation boutique Lenczner Slaght handles the full range of insurance disputes, covering a number of policy, coverage and defense matters. The team is also active in reinsurance disputes, providing policy interpretations, and defending against bad faith and punitive damage issues. Glenn Smith, who has a diverse commercial insurance litigation practice, with an emphasis on product liability, and Nina Bombier, who frequently litigates large environmental claims, co-lead the team.

Intellectual Property

Leading Lawyer

Recommended Lawyer

 

Litigation boutique Lenczner Slaght fields a dedicated IP team, headed by Sana Halwani; she recently provided representation to Tivo Solutions in three patent actions against Videotron, Bell Canada and Telus, respectively, which included the first two zoom trials at the Federal Court. The team’s patent trial experience includes PM(NOC) matters for pharmaceutical companies and a growing number of cases in the technology sector. The practice also litigates trade secret, copyright and trademark disputes and has grown steadily in recent years, most recently through the arrival of oil and gas, IT and biologics expert, Andrew Moeser, who joined from Gilbert’s LLP.

Labour and Employment

Recommended Lawyer

 

Litigation boutique Lenczner Slaght handles a variety of complex employment law cases, including those concerning terminations of executives, employee fraud, confidentiality breaches, and employment law class actions. The team also advises clients on the planning and implementation of employment strategies, including recruitment and dismissals. Clients include Royal Bank of Canada, Ernst & Young and Cineflex. Matthew Sammon leads the department, with support coming from associates Aoife Quinn and David Salter.

Restructuring and Insolvency

Recommended Lawyer

 

Lenczner Slaght, which is well-known as a leading name for litigation, acts for clients such as debtors, creditors, monitors and receivers. The team demonstrates prowess in matters such as commercial reorganisations, receiverships and bankruptcies. Its courtroom experience covers all levels of courts. Matthew Lerner, Peter Osborne and Monique Jilesen are key contacts.

About the Legal 500

The Legal 500 rankings are based on a series of criteria that recognize the practice area teams who provide the most cutting edge and innovative advice to corporate counsel. The research is based on feedback from 300,000 clients worldwide, submissions from law firms and interviews with leading private practice lawyers, and a team of researchers who have unrivalled experience in the legal market.

IAM Patent 1000

IAM Patent 1000, the guide to leading private practice patent professionals and firms, is dedicated to recognizing best-in-class patent prosecution, licensing and litigation practitioners on a global basis. 

After an extensive qualitative research process that included peer and client feedback, Lenczner Slaght is proud to once again be ranked in the 2021 edition of IAM Patent 1000: The World’s Leading Patent Professionals.

In addition to the firm’s ranking, Sana Halwani and Cynthia L. Tape are also recognized for their in-depth knowledge and extensive trial experience in patent matters.

Canadian Lawyer's Top 10 Civil Litigation Boutiques

After an extensive survey of in-house counsel and clients from across Canada, Canadian Lawyer Magazine has once again named Lenczner Slaght one of Canada's Top 10 Civil Litigation Boutiques in 2020.

Lexpert Guide to the Leading US/Canada Cross-Border Lawyers

The 2019 Lexpert Guide to the Leading US/Canada Cross-Border Lawyers in Canada recognizes leading lawyers who have significant expertise in cross-border cases. The rankings are a result of peer review surveys completed by senior members of the legal profession.

The Lenczner Slaght lawyers that are Most Frequently Recommended for their cross-border expertise in Dispute Resolution include:

Lexpert Special Edition: Canada's Leading Litigation Lawyers

Following an in-depth peer review process, the 2021 Lexpert Special Edition: Canada's Leading Litigation Lawyers guide recognizes 19 Lenczner Slaght lawyers for their extensive courtroom experience and subject-matter expertise.

The following prominent litigators are ranked:

Lexpert/American Lawyer Guide to the Leading 500 Lawyers in Canada

Lenczner Slaght is once again 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.

Click here for the Lexpert® "Litigation – Toronto" Bull's-eye graphic.

Click here for the Lexpert® "Commercial Litigation – Toronto" Bull's-eye graphic.

Determined by extensive peer surveys, the bull's-eye charts are created using a comprehensive point system that identifies lawyers who have been consistently cited as the leaders in their areas of practice. Lenczner Slaght has held the centre position since the introduction of the litigation bull’s-eye in 2001.

11 of our expert litigators are also recognized for their individual excellence in advocacy in the 2021 Lexpert/ALM 500 Guide.

  • Matthew B. Lerner – Corporate Commercial Litigation
  • Sana Halwani – Intellectual Property, Intellectual Property Litigation
  • Shara N. Roy – Corporate Commercial Litigation, Securities Litigation
  • Eli S. Lederman – Corporate Commercial Litigation
  • Monique Jilesen – Corporate Commercial Litigation
  • Peter J. Osborne – Corporate Commercial Litigation
  • William C. McDowell – Corporate Commercial Litigation
  • Tom Curry – Class Actions, Corporate Commercial Litigation; Directors' and Officers' Liability Litigation; Securities Litigation
  • Peter Griffin – Class Actions; Corporate Commercial Litigation; Directors’ & Officers’ Liability Litigation, Securities Litigation
  • Ian Binnie –  Arbitration; Corporate Commercial Litigation

Benchmark Canada

Endowed with what peers agree is “the deepest litigation talent roster in Toronto,” Lenczner Slaght commands brand-name respect among its Bay Street peers. Recognized in the 2021 Benchmark Canada rankings are the following leading litigators:

Top 50 Trial Lawyers in Canada, Litigation Stars: Peter GriffinTom Curry, Monique Jilesen

Litigation Stars: William C. McDowellPeter J. Osborne, Lawrence E. ThackerMark VenezianoEli S. LedermanMatthew SammonRebecca JonesShara N. RoySana HalwaniMatthew B. LernerPaul-Erik Veel

Future Stars: Jaan Lilles, Dena N. Varah, Andrew Parley

The firm was also recognized at the 2021 Benchmark Canada Awards as the Ontario Firm of the Year.

Who's Who Legal

In the latest edition of Who's Who Legal: Canada, Lenczner Slaght achieves eight recognitions in the Litigation chapter, with a total of ten expert litigators ranked.

The following Lenczner Slaght lawyers are recognized:

About Who’s Who Legal: Canada

Who's Who Legal: Canada is an annually published directory of leading Canadian lawyers across 35 areas of business law, based on comprehensive peer review surveys and interviews with general counsel and lawyers in private practice.