Tom Halinski

Cathy serves as the Chief Executive Officer and a partner at OKT. Her practice is focused on advancing Aboriginal and treaty rights through litigation and negotiation. Cathy has represented clients in applications and actions in Ontario and Manitoba, as well as in federal court and at the Supreme Court of Canada. She has also represented Indigenous clients in proceedings and tribunals regarding election processes, labour and employment, and environmental assessment. Cathy provides negotiation...

David is a trusted advisor who is known for his unique ability to cut through the noise, develop an effective strategy and achieve the desired outcome. No stranger to the courtroom, David has represented clients in numerous trials, applications, appeals, mediations and arbitrations. Although he is respected for his willingness to “fight” when necessary, clients appreciate David’s ability to recognize when a negotiated resolution best serves their interests. David’s pra...

Louisa Pontrelli practises intellectual property law with an emphasis on pharmaceutical patent litigation. She has particular experience in matters affecting the innovative pharmaceutical and biotechnology industry, including infringement and validity opinions, subsequent entry biologics, infringement and impeachment actions and proceedings under the Patented Medicines (Notice of Compliance) Regulations. During her graduate studies she investigated the molecular and cellular biology of lipopr...

Robert has extensive experience in a broad spectrum of real estate-based transactions, with an emphasis on complex and challenging matters. He acts on commercial, industrial and multi-residential acquisitions and sales; all forms of financings, including mezzanine, construction and permanent mortgage lending and equity participation for borrowers and lenders; complex joint ventures; construction and lease-back transactions; condominium development; non-profit housing development; life lease t...

Biography John Pirie leads the Firm's Litigation and Government Enforcement Group in Canada. He acts for clients in complex business disputes and white collar matters. John is widely recognized as a leading trial, arbitration and appellate lawyer. He is certified by the Law Society of Ontario as a Specialist in Civil Litigation, and ranked by Chambers as a leading individual in both the Corporate Litigation and White Collar categories. Clients interviewed by Chambers have said: "John Pirie ha...

John D. Leslie is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Financial Restructuring Law. John D., who practices law in Toronto, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John D. is held by other top lawyers in the same geographic and legal practice area.

Adam J. Patenaude is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Medical Negligence and Professional Malpractice Law. Adam J., who practices law in Toronto, Ontario, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adam J. is held by other top lawyers in the same geographic and legal practice area.

Kaitlyn legal practice at Howie, Sacks & Henry focuses on personal injury litigation, long-term disability claims , accident benefits claims , and various insurance-related cases. With a deep understanding of the challenges faced after serious personal injuries, she is committed to helping her clients navigate the complexities of their circumstances. Kaitlyn has a personal connection to brain injury advocacy, motivated by her father’s diagnosis following a serious assault. With a pr...

Marc is the managing partner of our personal injury group. He practices exclusively in the area of personal injury litigation, representing accident victims and disability claimants. Marc graduated from McGill University with Bachelor of Commerce, Bachelor of Civil Law, and LL.B. degrees. He has been associated with Devry Smith Frank LLP since 1990. Since his call to the bar in 1992, Marc has appeared frequently before a number of courts and tribunals in Ontario. Marc also has extensive exper...

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...