Fred M. Rubinoff

Biography David Gadsden represents global clients in complex commercial disputes. He is the Chair of Baker McKenzie's Canadian Class Actions Group and is known for his sound advice on commercial class actions, competition and antitrust matters, arbitration, fraud cases and product liability matters. Clients value David's pragmatic and determined approach to disputes and have described him as "absolutely terrific at bringing across the finish line the most complex and multidimensional issues"....

Stuart Zacharias is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Insurance Law, Medical Negligence and Professional Malpractice Law. Stuart, who practices law in Toronto, Ontario, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stuart is held by other top lawyers in the same geographic and legal practice area.

Adam Weisberg is a dedicated criminal lawyer with both an appeal and trial practice. He has appeared at all levels of court and conducted hundreds of successful trial matters. In 2011, he was granted his Certified Specialist in Criminal Law designation after practising for only eight years. Mr. Weisberg's practice focuses on defending complex drug matters, sexual assault cases, white collar crime and homicides. Mr. Weisberg is also committed to legal education. He is currently a vice-presiden...

Gasper is a partner in our litigation department. Gasper's practice focuses on a broad range of complex matters, including both commercial and civil disputes. He has particular experience with commercial lease disputes, contractual disputes, construction law disputes, as well as debt collection matters. Gasper has appeared as counsel before the Ontario Superior Court of Justice; various administrative tribunals and both private mediations and arbitrations. Gasper has also assisted with variou...

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...

Sergio R. Karas, B.A., J.D. is a Canadian lawyer (Barrister and Solicitor) and a Certified Specialist in Canadian Citizenship and Immigration Law, as designated by the Law Society of Ontario. He practises Immigration Law in Toronto, Ontario, and is the founder of Karas Immigration Law Professional Corporation. Born in Buenos Aires, Argentina, Mr. Karas has assisted hundreds of individuals and families in establishing themselves in Canada. His practice includes representing individuals, famili...

Paul practice focuses on corporate commercial litigation and arbitration, shareholder and fraud litigation, appellate litigation and judicial review with particular expertise in complex cases with a regulatory or cross-border dimension. He has litigated cases involving failed hedge funds, derivatives, fraud and Ponzi schemes, arbitration-related court proceedings, shareholder disputes, construction and infrastructure, defamation and employment law. A highly experienced and versatile litigator...

Jaclyne is a corporate, commercial and regulatory lawyer who works with a wide range of clients in the transportation and logistics industry, as well as those in the product regulatory, marketing and advertising space. This includes road, rail and ocean carriers, passenger vessel operators, load brokers, logistics providers, warehouse operators and other freight intermediaries. She also assists manufacturers, importers, exporters, shippers, distributors and growers. Jaclyne regularly provides...

Seth Zuk is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Seth, 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 Seth is held by other top lawyers in the same geographic and legal practice area.

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-...