Mark Rubenstein 2021-05-18T20:50:52+00:00


p. 647-483-0113
f. 416-483-3305

Mark is a Toronto based litigation lawyer focused on regulated sectors, representing consumer and stakeholder interests before courts, agencies, and tribunals. Mark also provides advice and complex legal opinions and on a wide-range of regulatory issues.

Mark has a significant energy regulatory practice, and frequently appears before the Ontario Energy Board representing clients in utility distribution and transmission rate applications, leave to construct proceedings, policy consultations, IESO market rules reviews, and a wide variety of other matters. He has previously been a member of the Ontario Energy Board’s Regulatory Affairs Standing Committee, as well as other working and advisory groups. Mark has been recognized as a leading lawyer for Energy – Provincial Regulatory (Ontario) in the 2020 and 2021 editions of Chambers Canada guide. He is also recognized in the 2021 edition of ‘Best Lawyer’ in Canada for Energy Law and Energy Regulatory Law.

Mark has also represented clients on numerous occasions before the Divisional Court, Court of Appeal, and Supreme Court of Canada on appeals and judicial reviews.

Mark obtained his B.A (Honours) from Carleton University and his J.D. from Queen’s University. Mark is a member of the Canadian Bar Association, Ontario Bar Association, and The Advocates’ Society. He currently is the the Chair of the Ontario Bar Association’s Natural Resources and Energy Law Section, and sits on the executive of the Administrative Law Section. Mark also volunteers at Pro Bono Ontario’s Law Help Centre and with its Appeals Assistance Project.