Kathleen M. O'Neill

Catherine DiMarco has more than 17 years of construction and general civil litigation experience. Certified by the Law Society of Ontario as a specialist in construction law, with a deep understanding of the industry, Catherine provides practical guidance on managing risks during contract negotiations, and assists with project delivery plans. When disputes arise, she represents different sectors of the construction industry on claims, or on the defence of claims. These include owners, general...

Orestes Pasparakis is co-chair of our Canadian special situations team, which encompasses Canada’s leading shareholder activist practice, sophisticated securities litigation and complex reorganization transactions. Mr. Pasparakis has led and won some of Canada's most contentious and complex corporate disputes. Mr. Pasparakis focuses on high-stakes disputes that often proceed in “real time” or on an urgent basis. His approach is practical and results-oriented. Many of his cas...

Suzana Popovic-Montag is the Managing Partner of Hull & Hull LLP, who practices exclusively in the areas of estates, trusts, capacity and fiduciary litigation. She also maintains a specialized mediation practice through Hull Estate Mediation Inc., focusing on pre-death and post-death estate resolutions. Suzana has an LL.B. from the University of Western Ontario and an Honours B.A. from Wilfrid Laurier University. She received mediation training at Harvard Law School. Suzana was called to ...

Errol Tenenbaum is a top lawyer recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Errol, 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 Errol is held by other top lawyers in the same geographic and legal practice area. Errol Tenenbaum, Partner in the Tax and Wills & Estates Groups at Robins Appleby LLP, has over 20 years of experience advising ...

A strong defender of the view that a messy desk is a sign of creative genius, Colleen Bauman enjoys grappling with legal questions that don’t have an easy answer. Clients and colleagues look to Colleen when facing complex or novel constitutional, labour, or human rights issues. In her down to earth style, Colleen guides them with thoughtful advice that is both practical and tactical. Colleen’s clients include unions, professional associations, employees, other lawyers and even jud...

Lucy-Maude Lachance is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Labour and Employment Law. Lucy-Maude, who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lucy-Maude is held by other top lawyers in the same geographic and legal practice area.

Susan Philpott understands how important pensions and benefits are to the well-being of workers and their families. She has dedicated her career to it. Trade unions across Canada rely on Sue to help them expand workplace pension and benefits coverage, bargain new pensions and benefits arrangements, and navigate through employer insolvencies and restructuring. She also helps pension plan trustees meet their legal obligations to plan members by providing first-rate strategic, governance, and le...

Mr. Patrick Henry is a litigator and a Partner in our Insurance Law Group. His practice focuses on insurance law, civil litigation, civil and professional liability and product liability law. Mr. Henry has pleaded before all judicial instances and appeal levels including on four occasions before the Supreme Court of Canada. His fields of practice include insurance law, civil litigation, civil and professional liability and product liability law.

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 ...

Gary's practice extends from the prosecution of trademark applications through to litigation of intellectual property rights. He appears in the courts of the Province of Ontario, as well as the Federal Court of Canada and before the Trademark Opposition Board. Gary has thirty years' experience in the intellectual property field. He advises clients in complex licensing issues and has acted as intellectual property counsel in major corporate transactions. Gary is also involved in charitable org...