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 and administrative matters with special emphasis on appeals, including class action and medical malpractice disputes. He 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®/ALM Guide to the Top 500 Lawyers in Canada and is recommended in Chambers’ Global: The World’s Leading Lawyers. He is also listed in Lexpert®’s top 100 creative lawyers in Canada. He is an honorary member of The Commercial Bar of England (COMBAR). He is a recipient of a Lexpert Zenith Award as a change agent for over 40 years. He is past chair of the Civil Litigation section of the Ontario Bar Association, a member of the Holland Access to Justice in Medical Malpractice Group and a frequent lecturer on various litigation topics. An instructor at the Bar Admission Course in civil litigation for many years, Paul holds a Master of Laws from London University, England. He was called to the Ontario Bar in 1971.

Chambers Canada reads: Paul Pape is universally admired as a leading litigator in the province. “He is the best appellate lawyer in Ontario,” one client enthused, while another added: “His oral advocacy is supreme – when he speaks, the judge listens.”

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.

Tanya A. Pagliaroli: Tanya has a broad commercial and civil litigation practice, including contractual disputes, professional liability, employment matters and health law. She acts for individuals, businesses, not-for-profit agencies and institutions. She is also frequently retained by other lawyers as counsel on motions, trials and appeals. No matter the cause, Tanya is a fearless advocate. She is thorough, rigorous, and steadfast, and achieves excellent results for her clients, both in and out of the court room. Tanya received her LLB from Osgoode Hall Law School in 1998 and her BA (with distinction) from the University of Toronto in 1995. She was called to the Ontario Bar in 2000. She joined Pape Barristers in 2011 after practising as a litigator in a major national law firm.

Shantona Chaudhury: Shantona practises civil litigation in a broad range of fields, with a particular emphasis on appeals. Since joining Pape Barristers in 2009, Shantona has been co-counsel or counsel in a number of significant cases. In June 2013, Shantona was recognized with a Precedent Setter Award by Precedent Magazine. Shantona completed her articles clerking for the Hon. Justice Ian Binnie at the Supreme Court of Canada. Prior to starting practice, Shantona trained as a Fox Scholar pupil barrister at the Inns of Court in England; obtained a BCL (Master’s in law) from the University of Oxford, receiving the Wadham College Donner Foundation Scholarship; interned as a legal officer in Chambers at the UN International Criminal Tribunal for Rwanda; and interned at the Parliament of Canada. Shantona is fluent in English and French and holds an LLB (common law) and a BCL (civil law) from McGill University, as well as an MA in French Literature and a BA (Hons) in French Studies from Queen’s University. She has been called to both the Ontario Bar and the Barreau du Québec. Shantona is frequently asked to speak at legal education conferences on a variety of topics ranging from appellate advocacy and substantive tort law. Shantona is a member of The Advocates’ Society and an occasional contributor to The Advocates’ Journal. She is also a volunteer lawyer for Law Help Ontario. Shantona is the co-Executive Director of the Supreme Court Advocacy Institute, a national not-for-profit organization which assists counsel appearing before the Supreme Court of Canada.

Nicolas M. Rouleau: Nicolas counsels Pape Barristers on civil appeals while also maintaining a private constitutional law practice on the federal-provincial division of powers and the Canadian Charter of Rights and Freedoms. Nicolas is fluently bilingual in French and English and has appeared before all levels of court in Ontario and British Columbia, as well as before the Supreme Court of Canada. Nicolas has clerked for the Honourable Justice Marie Deschamps of the Supreme Court of Canada. He holds a Master’s of the Science of the Law (JSM) degree from Stanford University Law School, where his thesis focused on foreign direct investment, and an LLB magna cum laude from the University of Ottawa Law School. He was awarded a 2007–2008 Fulbright Award (money deferred in event of future doctoral studies), the 2007–2008 Viscount Bennett Fellowship, and a 2007–2008 SPILS Scholarship. He has taught courses on comparative constitutional law, international development, and political philosophy at various top law schools in India and Canada, and extensively lectured on federalism, democracy, development, and corporate governance throughout India. He has also worked or volunteered on development with the UN, Red Cross, and Uganda Human Rights Commission in several African countries. He has published in the area of Canadian constitutional minority–language rights and legal philosophy. Nicolas is a co-founder of the Treehouse Group, a Toronto-based think-tank that focuses on inter-disciplinarity. He curates the Treehouse Talks at the Toronto Reference Library.

Andrea Bolieiro: Andrea has a broad civil litigation practice. She joined Pape Barristers after completing two clerkships, first at the Ontario Court of Appeal, then for Justice Rosalie Silberman Abella of the Supreme Court of Canada. Andrea also summered at national law firms in both Toronto and New York. During law school, Andrea received a number of course prizes and academic awards, including the Dean’s Gold Scholar award for the highest standing in first year. She worked as a research assistant to several professors, and published an article in the Canadian Law Library Review. Andrea also competed in the Canadian Corporate and Securities Moot, where her team won the award for top factum. Andrea holds a JD from Queen’s University, and an International Bachelor of Business Administration (With Distinction) from the Schulich School of Business, York University, where she specialized in Finance studies. Andrea is called to the Bar in both Ontario and New York.

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 DC 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’s practice includes tort, corporate/commercial, and criminal matters. He has appeared as counsel before all levels of court in Ontario, and tribunals including the Health Professions Appeal and Review Board and the College of Physicians and Surgeons of Ontario. Justin has acted for a variety of clients including corporations, unincorporated associations, physicians, accountants, and engineers, as well as pro bono clients in summary conviction trials and appeals. He is widely published on several litigation topics including contract law, criminal and civil procedure, and injunctive relief. Justin serves on the executive committee of the Ontario Bar Association’s Civil Litigation Section, where he helps organize continuing legal education initiatives. 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

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  • 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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