November 10, 2015

Lenczner Slaght Recognized by Who's Who Legal 2015

Seven lawyers singled out by peers as leading practitioners in their field.

Who's Who Legal published its annual Canada Special Report in November and Litigation Report in September for 2015 recognizing Canadian lawyers.  The Canada Special Report covers the work and performance of almost 1500 Canadian lawyers across 46 practice areas.  The Litigation Report reveals 740 lawyers in 69 jurisdictions who can truly be considered leaders in their field.

The following Lenczner Slaght lawyers were recognized through peer review surveys and interviews with general counsel and lawyers in private practice as leading practitioners in the following areas:

Commercial Litigation:

Life Sciences:

The firm and its lawyers figured prominently in the Commercial Litigation analysis for 2015.

Lenczner Slaght Royce Smith Griffin performs impressively with five listings, including Ronald Slaght QC who is "highly sought after" as a litigator. He "expertly advises" a wide range of eminent clients, and is praised for his "exceptional level of commitment, wealth of experience and all-round technical excellence."

Peter Griffin has "a reputation for achievement" founded on his "invaluable legal advice". He specialises in complex cross-border litigation relating to class proceedings, insolvency and restructuring.

One of the founding partners of the firm is Alan Lenczner, widely acknowledged as one of Canada's leading litigators. Described as "a precedent-setting practitioner", clients value his "practical and authoritative advice".

The firm also achieved special recognition in the Life Sciences analysis for 2015.

At Lenczner Slaght Royce Smith Griffin, Marguerite Ethier is "a definite inclusion" for her "terrific" patent litigation practice. She is very active in the courts and notable recent representations include defending Janssen Inc against a suit filed by AbbVie Inc.

The Intellectual Property Litigation practice at Lenczner Slaght represents clients covering an extensive range of intellectual property matters in proceedings before the Federal Court, the Federal Court of Appeal, the Ontario Superior Court and the Ontario Court of Appeal.

Our lawyers have also litigated IP cases in the U.S., and they regularly represent U.S.-based corporations on the Canadian aspects of disputes that span multiple jurisdictions.


Since 1996 Who's Who Legal has identified the foremost legal practitioners in multiple areas of business law. In total, this site features over 17,000 of the world's leading private practice lawyers from over 100 national jurisdictions. We pride ourselves on the integrity and authority of our findings. Who's Who Legal is published by Law Business Research Limited.

View the 2015 edition of Who's Who Legal

Learn about our Commercial Litigation and Intellectual Property Litigation practices

Recognized as Canada's leading litigation firm, Lenczner Slaght has successfully represented clients' interests in complex, high-profile cases across the country. The firm's lawyers are distinguished by their depth of courtroom experience. They appear regularly at all levels of the federal and provincial courts and before professional and regulatory tribunals, and in mediation and arbitration proceedings. Lenczner Slaght is known for its wealth of talent: the firm's partners, ranked among the best of their peers nationally, lead a recruitment and mentoring program that attracts gifted litigators committed to upholding the highest professional standards.

From commercial disputes, class actions and cross-border disputes to administrative law and professional regulation, Lenczner Slaght brings expert strategy – backed by rigorous research, skilled data management and solid administrative support – to demanding cases in all areas of litigation. Founded in 1992, the Toronto-based firm has a diverse roster of clients that ranges from individuals and small businesses, to large and multinational companies, to professional associations and regulatory bodies. The firm's 52 lawyers focus exclusively on litigation.

For more information or to arrange an interview, please contact:
Tracy Holotuk
Director, Client Development