Lexpert Ranked Law Firm

Pape Barristers Professional Corporation

Pape Barristers Professional Corporation is a Toronto based litigation “boutique” carrying on a varied civil litigation practice. Our focus is in appeals, as well as the areas of commercial, real property and administrative litigation, including shareholder, joint venture, and partnership disputes, real property development matters, contract disputes, insolvency, and planning and assessment matters. We have the experience and the ability to bring on proceedings in an expedited manner for interlocutory injunctions and for applications, both in the Commercial Court, and elsewhere. The firm generally handles complicated or difficult matters that are often referred to it by other law firms. We have significant experience and expertise in appellate court advocacy. The firm’s client base is both entrepreneurial and institutional.


Paul J. Pape: Paul’s litigation practice focuses on complex commercial, securities, class action, professional negligence, and administrative matters with special emphasis on appeals in these and other areas. Paul has over 45 years of experience as both trial and appellate counsel and has acted in many cases of significance. He is a Fellow of the American College of Trial Lawyers, a Fellow of the International Academy of Trial Lawyers, regularly listed in The Lexpert®/American Lawyer Guide to the Leading 500 Lawyers in Canada and is recommended in Chambers’ Global: The World’s Leading Lawyers. Paul is also listed in Lexpert®’s top 100 creative lawyers in Canada and is a recipient of a Lexpert Zenith Award. He is an honorary member of The Commercial Bar of England (COMBAR), past chair of the Civil Litigation section of the Ontario Bar Association, a member of the Holland Access to Justice in Medical Malpractice Group. Paul was an instructor at the Bar Admission Course in civil litigation for many years, and holds a Master of Laws from London University, England. He was called to the Ontario Bar in 1971.

Chambers Canada 2016 reads: “Founding Partner Paul Pape is renowned for his skills in appellate advocacy. He is described by soruces as ‘a huge name’ who is ‘legendary and very well respected’ Pape is widely acknowledged as ‘one of the go-to appeals lawyers in the city.”

David S. Steinberg: David is an accomplished trial and appellate lawyer with particular expertise in corporate, commercial, and real estate litigation. He acts for private and family businesses, entrepreneurs, professional service providers, shareholders, families and individuals as well as for large institutional clients. David is highly regarded by colleagues and clients as a practical yet passionate advocate, an able listener, and a strategic problem-solver. Always prepared, focused, and candid, David is committed to getting impactful results for clients in the most cost effective way. David graduated from the University of Toronto’s Faculties of Law and Management in 1994 with a combined Law-MBA degree. He now serves as an Adjunct Professor at the University of Toronto’s Faculty of Law where he teaches Advanced Civil Procedure. David is also a member of The Advocates’ Society. David was called to the Bar in 1996.

Shantona Chaudhury: Shantona has a civil litigation practice with a particular emphasis on appeals. Her experience includes tort, class actions, commercial litigation, civil procedure, professional discipline, administrative, and constitutional law. She has been counsel in over 20 cases at the Ontario Court of Appeal, as well as several Divisional Court appeals and a number of first instance proceedings. Shantona has also argued at the Supreme Court of Canada. Since joining Pape Barristers in 2009, Shantona has garnered a number of professional accolades. Shantona is ranked in the Chambers Canada guide to Canada’s leading lawyers for 2016. Shantona represents both individual and institutional clients and is frequently retained by fellow lawyers on especially difficult of complex cases. Shantona has developed particular expertise in Supreme Court of Canada matters. She is the co-Executive Director of the Supreme Court Advocacy Institute, a national non-profit organization offering advocacy training to counsel appearing before the Supreme Court of Canada. She is also case screener for Pro Bono Ontario’s Supreme Court Leave to Appeal Assistance Project. Shantona is fluently bilingual and was called to the Bars of both Ontario and Québec in 2007. She holds a LLB (common law) and a BCL (civil law) from McGill University, as well as an MA in 18th century French Literature and a BA (Hons) in French Studies from Queen’s University.

Joanna Nairn: Joanna has a broad civil and criminal litigation practice, with a focus on appeals. She clerked for the Hon. Justice Morris J. Fish at the Supreme Court of Canada before spending several years as a member of the Supreme Court and Appellate Litigation Practice at a large firm in Washington, DC. While practising in the United States, she was twice named a Super Lawyers Rising Star in appellate litigation, and was recognized on the D.C. Capital Pro Bono High Honor Roll in 2011, 2012, and 2013. Joanna obtained her JD from Harvard Law School, where she was Editor-in-Chief of the Harvard Civil Rights-Civil Liberties Law Review and graduated magna cum laude. She holds a BA in Political Science from the University of Toronto, and was the 2006 World Universities Debating Champion. Joanna is called to the Bar in Ontario and the District of Columbia.

Justin H. Nasseri: Justin has a general litigation practice, with an emphasis on civil appeals, commercial litigation, and medical negligence cases. He also frequently advises clients about liability and risk management issues. Justin has appeared as counsel before all levels of court in Ontario and several tribunals including the Discipline Committee of the College of Physicians and Surgeons of Ontario and the Health Professions Appeal and Review Board. He has experience arguing appeals and motions and has also appeared as counsel in discipline hearings, arbitrations, and mediations. He has acted for a variety of clients including corporations, unincorporated associations, physicians, accountants, and engineers, as well as pro bono clients in criminal matters. Justin is widely published on litigation topics including contract law, criminal and civil procedure, and injunctive relief. He serves on the executive committee of the Ontario Bar Association’s Civil Litigation Section, where he helps organize legal education programs and is involved in advocating for policy reforms that benefit members of the bar. Before joining Pape Barristers in October 2015, Justin litigated at a leading national law firm, where he gained experience in complex commercial matters and medical negligence cases. Justin received his JD from the University of Toronto in 2012, where he served as Vice-President Academic, and was awarded the John Atkinson Prize for academic achievement in litigation related courses, the Gordon Cressy Award for outstanding service to the law school, and the Nathan Strauss QC essay prize in legal ethics. In 2011, Justin and his teammate won the National Client Counselling Competition, and were semi-finalists at the International Client Consultation Competition in the Netherlands. Justin received his BA in Economics and Political Science with First Class Honours from the University of Alberta in 2009. He was called to the Ontario Bar in 2013.


1 Queen St E, Suite 1910, Box 69
Toronto, ON, Canada, M5C 2W5
Phone: (416) 364-8755
Fax: (416) 364-8855

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Mentioned in Lexpert Publications

  • After the disappointing jurisprudential results experienced by Canadian business in 2015, the landscape more than evened out this past year — which is not to say that Canadian appellate courts ...
  • Several recent Canadian decisions clarify issues around admissibility of expert evidence, perceived conflict of interest and whether counsel can review draft reports prior to trial
  • In a less than stellar year for business, only the decisions relating to privilege, certification and leave can be seen as decidedly positive in our Top Ten Cases of 2015 list. Canada’s courts ...
Pape Barristers Professional Corporation is a Lexpert-Ranked Firm in the following practice areas
Class Actions Toronto, Ontario Repeatedly Recommended
Litigation - Corporate Commercial Toronto, Ontario Repeatedly Recommended
Medical Negligence Toronto, Ontario Consistently Recommended
Professional Liability Toronto, Ontario Consistently Recommended
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