Harry M. Fogul

Christopher A. Guerreiro practises intellectual property dispute resolution and litigation, with an emphasis on patents and issues affecting the life sciences, healthcare, and other high-technology industries. Mr. Guerreiro has spent much of his career working with life sciences innovators. As a litigator and advisor, he focusses on developing dispute-resolution strategies that align with the unique interests and business objectives of clients in this space—whether through litigation or...

Ruth Kalnitsky Roth is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Ruth, who practices law in Toronto, Ontario, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ruth is held by other top lawyers in the same geographic and legal practice area.

Nancy Kleer is one of the founding partners of OKT. In her practice of Aboriginal rights, she represents Aboriginal clients responding to a variety of resource developments, including mineral exploration, mining, and hydroelectric development, in negotiations and litigation. She also advises on federal and provincial environmental protection and assessment law. She provides legal advice and does legal drafting on issues addressed in negotiations for comprehensive land claims, Aboriginal self-...

Sloan Mandel was called to the Ontario Bar in 1996 and is certified by the LSO as a specialist in Civil Litigation. He is a partner at the law firm Thomson Rogers. He attended Cornell University and graduated from Osgoode Hall Law School in 1994. His practice focuses exclusively on personal injury and medical malpractice litigation on behalf of plaintiffs. Sloan is one of only 14 plaintiff-side personal injury lawyers in the province to have been concurrently listed in The Canadian Legal Lexp...

Michael B. McWilliams is a partner at Loopstra Nixon LLP and the head of the firm’s Commercial and Construction Litigation Group. He is a skilled and experienced advocate passionate about helping clients solve their litigation problems effectively and affordably. Michael works with lawyers and support professionals dedicated to providing outstanding representation and excellent client service. Michael practices in commercial and construction litigation and has appeared in all levels of ...

Michael Fenrick is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Appellate Practice, Corporate and Commercial Litigation and Labour and Employment Law. Michael, who practices law in Toronto, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.

Stephen’s practice involves civil litigation matters related to insurance law, the defence of personal injury actions, and medical-legal issues. In particular, he focuses on serious injury and wrongful death claims, as well as cases at the appellate court level. Stephen is a widely published author on a variety of legal matters, including recent commentaries on appellate advocacy, expert evidence, and on summary judgment in the post-Hryniak world. Stephen believes in the finer tradition...

Allan Oziel’s practice focuses on providing a broad range of business, technology, and intellectual property law services to clients ranging from start-up ventures to established businesses. He advises clients on complex technology agreements, as well as, financing and M&A matters, which has equipped him with a unique perspective of the client’s preference for creative and cost-effective business solutions. As an active writer and speaker in the legal community, Allan regularl...

Derry Millar is a skilled and dedicated advocate with a broad civil litigation and administrative law practice who brings his skills in dispute resolution and as an advocate to his work as an arbitrator and mediator. Derry was elected as the Treasurer (President) of the Law Society of Upper Canada (governing body for Ontario lawyers and paralegals) on June 26, 2008 and May 29, 2009, and served as Treasurer from June 26, 2008 to June 29, 2010. Derry is the fourth partner in the history of the ...

Melissa is a partner in our commercial leasing department and has dedicated her career to representing commercial landlords and tenants in a variety of commercial leasing matters. She has expertise in managing commercial lease transactions for all types of properties, including office, retail, industrial and mixed-use. Melissa's practice includes the interpretation of commercial leases and the coordination of major projects, including multi-location deals and due diligence on acquisitions. He...