Karen B. Groulx

Timothy Squire is one of Canada's leading life sciences industry practitioners. With his extensive regulatory and commercialization experience, Tim has become a trusted advisor to stakeholders in the drug, medical device, natural health product, cosmetic and food industries in Canada and from around the world. Tim’s practice is devoted to the Life Sciences industry, and he is the Co-Leader of the firm's International Life Sciences Industry Group. He adds substantial bench strength given...

John Turner is Leader of the firm’s Global Mining Group and Chair of the Capital Markets and Mergers & Acquisitions (CM and M&A) Group. His practice is focused in the resource sector, where he has been involved in many leading corporate finance and mergers and acquisitions deals. One of Canada's national newspapers, the Financial Post, has described John as "one of the best dirt lawyers in Canada, if not the world." John represents issuers and underwriters in capital markets and...

Scott is a seasoned litigator with experience in a wide variety of litigation matters, including complex commercial litigation, director and officer liability, construction litigation, class actions, and bankruptcy and insolvency. Scott has acted on matters at all levels of court in Ontario, the Supreme Court of Canada, the Federal Court of Appeal, and various administrative tribunals. His practice includes providing top-tier client service to a variety of clients across several industries. S...

Nader R. Hasan is a lawyer recognized by Best Lawyers in the practice areas of Aboriginal Law / Indigenous Practice, Administrative and Public Law, Appellate Practice, Bet-the-Company Litigation, Criminal Defence and Privacy and Data Security Law. Nader R. practices law in Toronto, Ontario Best Lawyers has recognized Nader R. Hasan since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflect...

David graduated with Honours from Montreal’s McGill University in 1978. He next received his Juris Doctorate degree, cum laude, from Southwestern University School of Law in Los Angeles. In 1982 he was admitted by the Supreme Court of California to practice as an Attorney and Counsellor-at-Law in the courts of California. After receiving his Certificate of Qualification through the University of Ottawa Faculty of Law, in 1985 David was admitted by the Law Society of Ontario as a Barrist...

Fredrick Schumann is a lawyer recognized by Best Lawyers in the practice areas of Administrative and Public Law, Appellate Practice, Corporate and Commercial Litigation and Criminal Defence. Fredrick practices law in Toronto, Ontario Best Lawyers has recognized Fredrick Schumann since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Fredrick Schumann i...

Valarie Matthews is a lawyer recognized by Best Lawyers in the practice area of Family Law. Valarie practices law in Toronto, Ontario Best Lawyers has recognized Valarie Matthews since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Valarie Matthews is held by other lawyers.

Brian Greenspan is one of the most prominent and respected defence lawyers in Canada. He has served as counsel on many of Canada’s most significant cases that have helped shape criminal law over the past five and a half decades. He has an unparalleled and distinguished reputation in both trial and appellate law. A Fellow of the American College of Trial Lawyers, the International Society of Barristers, and Litigation Counsel of America, Brian is sought after for his sage advice in respe...

Valerie is a senior member of our Litigation Group and is a highly respected member of the litigation bar. In addition to her extensive experience as trial counsel, she has appeared as appellate counsel before both the Ontario Court of Appeal and the Supreme Court of Canada. With more than 25 years of experience at the Bar, Valerie has demonstrated established expertise in damages analysis, including business loss claims, business and share valuations, and real property valuations. She has ex...

John is a partner at Margie Strub Construction Law LLP with more than twenty years of experience providing legal services, exclusively in construction and infrastructure law, to help clients manage and mitigate risks and resolve disputes. John has represented every party in the construction pyramid including public and private owners, contractors, trades, and suppliers and he represents clients from across the construction industry including small and national to international companies. His ...