Matthew Peter Sammon

Matt * is recognized as a leading trial lawyer with extensive experience spanning commercial litigation, construction and infrastructure, professional regulation, medical malpractice, and employment law, serving clients across sectors and of all sizes. A tenacious advocate and formidable cross-examiner, Matt does § everything in his power to deliver a positive outcome for his clients. Beyond the courtroom, Matt provides strategic counsel to clients across a number of industries and shares his expertise through continuing legal education programs. Yet, his passion for intensive advocacy means he is usually found conducting trials ‡ , regulatory hearings, and arbitral proceedings. And he does them exceptionally well, achieving results for clients in the toughest cases. .

"Matt Sammon is a warrior of a litigator. He is fearless and takes on strong cases. His skill at cross-examination is unparalleled. He is one of the best in the country." — Chambers Canada

Recognized as a leading and formidable trial counsel, Matthew has extensive litigation experience across a broad range of areas, including complex corporate and commercial litigation , professional liability and medical malpractice, and employment cases.

After 20 years of practice at Lenczner Slaght, Matthew is now one of the most experienced civil trial lawyers of his generation, having conducted trials, applications, and arbitrations in myriad areas, including infrastructure and construction, complex commercial proceedings, insurance , medical litigation, professional liability, and employment disputes.

Matthew's experience as lead counsel for constructors in complex infrastructure and construction disputes in Ontario and other jurisdictions has earned him recognition as one of Canada's leading infrastructure lawyers.

His roster of clients has included large and mid-sized corporations across a wide range of sectors, including construction, financial services, insurance, banking, telecommunications, retail, health care, manufacturing, hospitality, and oil and gas. He also acts regularly for executives and other individuals in civil and regulatory disputes.