Skip to content

WELCOME TO LENCZNER SLAGHT listen
* § .

We're innovators. If it hasn't been done, we aren't afraid to be the first.

Read More

"Matt Lerner is an exceptional advocate. His legal expertise, combined with his business, strategic and practical advice, forthright communication style and absolute commitment to success, separates him from his competition."

Read More
8

Expert Litigators Ranked in Chambers Global 2026

Read More

"Lenczner Slaght is a top-tier firm in Canada. They are one of the top litigation boutique firms and live up to that reputation."

— Chambers Canada
We have published A New Vision for Litigation, featuring a summary of the proposed civil justice reforms in Ontario, practical steps for in-house counsel, and an analysis of the potential implications.
Read More
publication - 
February 12, 2026
2025 Snapshot: Through the Lens of Lenczner Slaght

We’ve released our 2025 Snapshot, highlighting the most significant developments, decisions, and trends in litigation from the past year across 21 practice areas. Reflect on 2025 and look ahead to 2026 through the lens of our expert litigators.

February 12, 2026
View article
news - 
February 26, 2026
Sana Halwani Receives Inaugural OBA Luminary Award

We are proud to announce that Sana Halwani will be the inaugural recipient of the 2026 Luminary Award for the OBA Information Technology & Intellectual Property Law Section. The award will be presented at the OBA IT/IP Fireside Chat Program on April 28, 2026.

February 26, 2026
View article
blog - 
March 12, 2026
Breaking New Ground: Ontario Court of Appeal Issues Landmark Ruling on Deemed Waiver of Privilege

In One York Street Inc v 2360083 Ontario Limited, Lenczner Slaght’s Matthew Lerner and Jim Lepore succeeded with an appeal on behalf of their client, Menkes Developments (One York Street) in the Ontario Court of Appeal’s first decision to substantively address deemed waiver of solicitor-client privilege by pleading a party’s state of mind. Waiver of privilege is often said to exist when a party “places its state of mind in issue,” but before the Court of Appeal provided clarity, there was much confusion as to what it means for a party to place its state of mind in issue.

March 12, 2026
View article
news - 
March 17, 2026
Lenczner Slaght Celebrates 25 Years on the Lexpert Bull’s-Eye

The 2026 Canadian Legal Lexpert Directory continues to recognize Lenczner Slaght as the #1 firm in Toronto for Litigation and Commercial Litigation.

March 17, 2026
View article