John Mascarin

Jonathan Lancaster’s litigation practice is focused on corporate commercial litigation, commercial real estate litigation, lease arbitrations, banking law, product liability litigation, professional negligence and estate litigation. Jonathan has a broad commercial real estate and estate litigation practice. Acting successfully as counsel in Ontario cases, Jonathan has advised on a broad array of real estate litigation issues, including mortgagee and tenant rights/priorities, rights of f...

Ellen Bessner is an experienced, tough-minded commercial litigator, known for her determination and common sense advice. After 25 years of practice on Bay Street at prominent Canadian law firms, Cassels Brock & Blackwell LLP and Gowling WLG, Ellen joined Babin Bessner Spry LLP in 2014, where she is a leader in commercial and securities litigation, employment litigation, insurance defence, directors’ and officers’ liability, professional negligence, class actions, and regulator...

Aaron Edgar is a lawyer recognized by Best Lawyers in the practice area of Trusts and Estates. Aaron practices law in Toronto, Ontario Best Lawyers has recognized Aaron Edgar 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 Aaron Edgar is held by other lawyers.

Adam Lewinberg's practice focuses on complex procurement, large multifaceted construction projects and structured finance, including public private partnership/ alternative finance (P3/AFP) and large complex linear construction. He brings a depth of experience to help clients in the areas of public-private partnerships, procurement, construction and asset finance, with a focus on technology and innovation. Adam leverages his broad experience in infrastructure and his previous experience as a ...

David’s practice focuses on municipal, land use planning and environmental law. He provides legal advice to municipalities, developers, businesses and private individuals on a range of matters including land use applications, appeals and agreements under the Planning Act, municipal powers and procedures, expropriations, aggregate extraction proposals, infrastructure projects, environmental issues and construction disputes. As an advocate for his clients, David has appeared before a vari...

David N. Delagran is a lawyer recognized by Best Lawyers in the practice area of Trusts and Estates. David N. practices law in Toronto, Ontario Best Lawyers has recognized David N. Delagran since 2027. 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 David N. Delagran is held by other lawyers.

Aleksandar Jovanovic is a lawyer recognized by Best Lawyers in the practice area of Construction Law. Aleksandar practices law in Toronto, Ontario Best Lawyers has recognized Aleksandar Jovanovic since 2024. 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 Aleksandar Jovanovic is held by other lawyers.

Ian Hull co-founded the firm with his father, Rodney Hull, in 1998. Ian also maintains a mediation practice through Hull Estate Mediation Inc. Ian is a lecturer at the Ontario Bar Admission Course and guest lecturer for the Canadian Bar Association and the Law Society of Upper Canada. Ian is also the author of numerous articles and has written four books on estate law issues. All books and articles can be found on our website .

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-...

Brendan Ruddick is a lawyer recognized by Best Lawyers in the practice area of Municipal Law. Brendan practices law in Toronto, Ontario Best Lawyers has recognized Brendan Ruddick since 2026. 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 Brendan Ruddick is held by other lawyers.