Lenczner Slaght Welcomes New Partners: Jim Lepore & Sean Lewis
Canada’s leading litigation firm is proud to announce that two of our expert litigators, Jim Lepore and Sean Lewis, have been promoted to the partnership.
“We are very excited to welcome Jim and Sean to the partnership,” says Monique Jilesen, Managing Partner of Lenczner Slaght. “They are exceptional advocates with deep subject‑matter expertise. Our clients rely on them to navigate their most complex disputes, and their commitment to excellence strengthens our firm and the results we achieve for clients.”
Jim Lepore’s practice focuses on commercial and intellectual property litigation. Combining deep experience with steady, practical judgment, he expertly navigates complex, high-stakes disputes involving companies in the technology, artificial intelligence, fintech, telecommunications, and natural resource sectors. Drawing on his background in engineering, business, and law, he provides strategic advice and creative solutions to legal issues inside and outside of the courtroom.
Sean Lewis’ multi-faceted practice encompasses corporate commercial, employment, construction and infrastructure, and professional liability disputes. He has significant experience acting for individuals, corporations and partnerships across several industries, including healthcare, real estate development, and professional services. He is relied upon for his steady approach, strong judgment, and ability to distill complicated legal issues into clear, strategic advice.
Congratulations to Jim and Sean! Their expertise and dedication will continue to be key to our firm’s success.

