A. Timothy "Tim" Baron

Described by his peers as ‘the gold standard in this space, a phenomenal litigator’, for more than thirty years Jonathan has won landmark decisions across a broad variety of subject matter including competition law, constitutional law, liability of public authorities, professional liability, criminal law, financial services, franchise law and contract disputes. He has tried over 90 cases to judgment and argued over 60 appeals in provincial appellate courts and the Supreme Court of...

Mark Rowlinson advances the interests of workers in his international law, trade law and labour law practice. He also advocates in the area of climate and the environment. Mark joined the firm after a 26-year career with one of Canada’s largest private sector trade unions. He has decades of experience in litigating a wide variety of labour law cases before labour boards, arbitrators and in the courts across Canada. He has also litigated labour cases under Canada’s trade agreements...

S. Michael Citak is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Financial Restructuring Law. S. Michael, who practices law in Toronto, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which S. Michael is held by other top lawyers in the same geographic and legal practice area.

Bernie‘s practice focuses on arbitration and labour board representation for numerous private and public sector unions both federally and provincially. Bernie also specializes in education law and represents teacher federations and their members in matters arising under collective agreements and before the Ontario College of Teachers. Bernie provides policy and strategic advice to clients, in the area of collective bargaining, and collective agreement administration. He has a special in...

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

Ron is a partner at the Firm and head of its Asset Management and Investment Funds Group. Ron practises in the areas of securities, corporate finance and mergers and acquisitions, primarily in relation to the asset management and venture capital industries. Ron believes that providing integrated securities, tax and practical advice helps clients better achieve their commercial objectives while improving investment products for Canadians. Ron is active in all aspects of fund formation having t...

Renée Pelletier is a Partner at OKT. Her practice focuses on Aboriginal and Treaty Rights litigation and negotiation. Renée has extensive experience litigating Aboriginal title claims: having served as lead counsel both in Saugeen Ojibway Nation’s Aboriginal title claim to their water territory and currently in the Wolastoqey Nation’s Aboriginal title claim to their territory in New Brunswick. She has also developed significant experience in claims and legal matters ...

David Himelfarb is head of the Litigation practice at the firm . He has extensive experience in civil litigation and has appeared before all levels of Courts and tribunals in the Province, including the Ontario Court of Appeal as well as the Supreme Court of Canada. He is acknowledged as an effective advocate and negotiator . Many of his cases have been reported and are utilized as precedents in the legal community. His reputation and proven track record are supported by a long list of multi-...

Jean Lee focuses on prosecuting intellectual property applications and managing IP portfolios, primarily in the field of life sciences, biotechnology, pharmaceuticals, medical devices, and chemical arts. Her patent practice includes originating drafting, legal opinions, and patent office proceedings for a broad range of clients, including large multinational corporations, start-up companies, academic institutions, and medical and healthcare professionals. She has also obtained patent rights o...

Ken Dekker, a partner of Affleck Greene McMurtry LLP, has over two decades of successful trial and appellate experience. Ken has litigated noteworthy and complex cases, including class action defence, securities and broker-dealer litigation and regulatory proceedings, corporate and shareholder disputes (including oppression and winding up cases), defamation, civil fraud litigation, disputes over contracts, injunctions, professional liability litigation, employment litigation and cross-border ...