Lisa Armstrong

"I became a personal injury lawyer because I wanted to ensure that people, when devastated by injuries had access to not only benefits and compensation, but access to the courts in order to seek out justice for injuries they have suffered ." A dedicated advocate for people who have suffered personal injuries, Paul has 20 years of experience involving cases of defective products and medical devices and fighting for those denied justice. Paul has proven experience with high profile cases includ...

Andrea works with lawyers ( inhouse , domestic and foreign) to help navigate the patent, trademark, copyright and industrial design regulatory regimes. She is peer recognized for specialty intellectual property expertise in Chambers ( Global and Canada) , WTR 1000, Best Lawyers, Lexpert and Who’s Who Legal. Andrea is Bar certified in Ontario, Quebec, ( Canada) and Massachusetts (U.S.), and is also registered with CPATA as a patent agent and as a trademark agent. In addition, she is an a...

Matthew Williams is a partner and practices in the firm’s Toronto office. Matthew’s practice focuses on all aspects of taxpayer representation. He has appeared before the Tax Court of Canada, the Federal Court of Canada, the Federal Court of Appeal, the Ontario Superior Court and the Supreme Court of Canada on a wide range of issues. Matthew has extensive experience dealing with Canada’s general anti-avoidance rule (GAAR) in both domestic and international contexts having su...

Alden Dychtenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation. Alden, who practices law in Toronto, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alden is held by other top lawyers in the same geographic and legal practice area.

Ivan Grbesic is a partner and Co-Head of the Mining Group. He is also a member of the Capital Markets, Securities and Mergers & Acquisitions Groups. Ivan plays a leading role in the firm’s Latin American coverage group. Ivan’s practice focuses on corporate and securities law, with an emphasis on corporate finance transactions, mergers and acquisitions, and corporate reorganizations. He regularly provides advice to issuers and underwriters in connection with initial public offe...

Virginie Gauthier is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Financial Restructuring Law. Virginie, who practices law in Toronto, Ontario, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Virginie is held by other top lawyers in the same geographic and legal practice area.

Alf earned his JD from the U of T in 1970. He and Morris Singer founded the firm in 1974. He has appeared at all court levels including the Supreme Court of Canada, where he appeared on behalf of the successful plaintiff in the landmark decision of Oldfield v. Transamerica Insurance. Alf has achieved some of Canada’s largest jury awards for punitive damages against an insurer. He acted for the plaintiff in the milestone case of Kamin v. Kawartha Dairy, which reduced the onus on plaintif...

Ben first joined Oatley Vigmond as a summer student in May 2013. He returned to Oatley Vigmond as an articling student, and was later welcomed to the firm as an associate lawyer following his call to the bar in June 2015. Ben holds a Juris Doctor (J.D.) from the University of Ottawa, a Master of Arts (M.A.) in International Affairs from the Norman Paterson School of International Affairs (NPSIA) at Carleton University, and an Honours B.A. in Criminology from York University. Ben enjoys the co...

Robert Barbiero is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Medical Negligence. Robert, who practices law in Toronto, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert is held by other top lawyers in the same geographic and legal practice area.

Joe Michelucci is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence. Joe, who practices law in Richmond Hill, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joe is held by other top lawyers in the same geographic and legal practice area.