William J. O'Keefe

Chris Clifford is a top attorney recognized by The Best Lawyers in Canada in the practice area of Personal Injury Litigation. Chris, who practices law in Kingston and Eastern Ontario has been recognized by Best Lawyers since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Chris is held by other lawyers in the same legal practice area. Chris is a founding partner at Bergeron Clifford Injury Lawyers . He has dedicated his practice to repr...

Craig M. Clarke is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Craig M., who practices law in London, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Craig M. is held by other top lawyers in the same geographic and legal practice area.

Don Davies practises energy law, with a focus on the regulatory and litigation fields. Mr. Davies has represented oil and gas producers, pipeline companies and industry organizations in proceedings before the National Energy Board for more than 30 years. He has acted for both proponents and intervenors in many applications for the approval of pipeline facilities and for the determination of pipeline tolls and tariffs. His cases typically involve complex environmental, aboriginal, constitution...

Dennis has been listed in the "Most Frequently Recommended" category of Leading Practitioners in Toronto in the Canadian Legal Lexpert Directory , and has also been included in the American Lawyer Guide to the Leading 500 Lawyers in Canada , in each year that they have been published. He is also included in the inaugural 2006 edition of The Best Lawyers in Canada . He has been qualified in court as an expert in commercial landlord and tenant law. Since 1978, his practice has focused on comme...

George Vukelich is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Real Estate Law . George, who practices law in Markham, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which George is held by other top lawyers in the same geographic and legal practice area.

Barbara’s practice includes all areas of real estate law and estate planning and administration. She has experience in executing complex real estate, development and commercially driven projects. She also provided advice to a wide variety of institutions in the financial services sector, as well as municipalities, in real estate and financing transactions. In addition, Barbara has been involved in public-private partnership projects working together with teams of lenders, developers, mu...

Catherine Carscallen is a top attorney recognized by Best Lawyers in the practice area(s) of Technology Law. Catherine, 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 Catherine is held by other top lawyers in the same geographic and legal practice area.

Pierre-Paul Persico is a partner in the tax group at our Montreal office. With extensive experience in tax law, he provides advice and representation in several key areas, including corporate reorganizations and estates, trust creation and estate planning, including post-mortem strategies. Pierre-Paul's prominent ability to give strategic tax advice has attracted his diverse client base, which includes businesses, professionals and high-net-worth individuals. With his in-depth understanding o...

Paul Davis is a top lawyer recognized by Best Lawyers in the practice area(s) of Class Action Litigation, Corporate and Commercial Litigation and Securities Law. Paul litigates class actions and complex commercial cases. He has appeared at all levels of court in Ontario, British Columbia, in domestic and international arbitrations, and before various tribunals. In his class actions practice, Paul represents both plaintiffs and defendants in cases involving product liability, copyright, employ...

Jean-Charles René is a litigation lawyer with particular responsibility for various types of commercial litigation. Over the years he has developed special experience in professional liability, insurance law and class action matters. His professional liability experience relates mainly to accountants, directors and officers, lawyers and other professionals. In insurance, he has focused on civil and professional liability, directors and officers’ liability and commercial insurance...