Peter Henein

Peter Henein
Telephone: 416 860 5222
Fax: 647 259 7974

Suite 2100, Scotia Plaza
40 King Street West
Toronto, ON M5H 3C2

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Peter Henein is a partner in the Advocacy Department who specializes in the areas of intellectual property (including trademark, copyright and entertainment matters), product liability and class actions. He chairs the Product Liability practice at Cassels Brock. He works with a wide variety of clients, including numerous Canadian and international intellectual property rights holders, Canadian copyright collectives and trade associations, film and television producers, international rock stars, franchisors, certification bodies, international auto manufacturers, and numerous other manufacturers and distributors around the world.

Representative examples of Peter’s work include:

  • Representing clients in trademark, industrial design, copyright, patent, and entertainment law disputes in the Ontario and Federal Courts
  • Representing copyright collectives in tariff enforcement proceedings before the Copyright Board of Canada
  • Acting in class actions for various categories of product manufacturers, including auto manufacturers
  • Representing numerous auto manufacturers, retailers, distributors, and specialty insurers in product liability claims
  • Providing risk management advice for a diverse range of manufacturers and distributors in different sectors, including specifically auto and power products
  • Assisting corporate clients with risk management issues and shareholder disputes

Peter is an active member of The Advocates’ Society. He edited The Advocates’ Society’s monthly e-brief, “Advocacy Matters” from 2015 to 2017. He was also the Chair of the 10+ Task Force, focusing on lawyers practicing between 10 and 20 years. He sat as Chair on The Advocates’ Society Young Advocates’ Standing Committee from 2012 to 2013, as well as on the 2009 Principles of Professionalism Committee, which held the 2009 Symposium on Civility and Professionalism. In 2012, he helped develop a supplement of Best Practices to the Principles of Professionalism and Principles of Civility for Advocates. In 2014, he sat on The Advocates’ Society Communications with Experts Task Force, developing the Principles and the accompanying Position Paper on Communications with Testifying Experts. Peter is a regular skills instructor for The Advocates’ Society, and has guest lectured for the Osgoode Hall law school civil procedure class. He is also an active member of the Defense Research Institute (DRI), and is an annual contributor to the Watson & McGowan “Annual Survey of Recent Developments in Civil Procedure.”

Peter has been repeatedly recognized as a leading lawyer by Best Lawyers in Canada in the area of Product Liability, by Benchmark Litigation as a “Litigation Star: Intellectual Property,” and by Managing Intellectual Property as an “IP Star.”


Western University, LL.B., 2003

University of Toronto, B.A. (with Distinction), 1994

Recent Work

Publications, Newsletters and Articles

Class Actions e-COMMUNIQUÉ - August 2019

Product Liability e-COMMUNIQUÉ - February 2019

Class Actions e-COMMUNIQUÉ - September 2018

Product Liability e-COMMUNIQUÉ - June 2018

Class Actions e-COMMUNIQUÉ - April 2018

Product Liability e-COMMUNIQUÉ - February 2018

Product Liability e-COMMUNIQUÉ - November 2017

It Had to Be You: A Primer on the Law of Misnomer

Conferences, Speaking Engagements, Events

Peter Henein is Vice-Chair and Casey Chisick Presenting at the Defence Research Institute's (DRI) Intellectual Property Litigation Seminar

Call to the bar

Ontario, 2004


  • INTA (Member-at-large)
  • DRI (Member; Chair and former Vice-Chair, International Special Law Group of the Product Liability Committee; Member of the Steering and Marketing committees of the IP Litigation group)
  • Copyright Society of the USA (Member)
  • The Advocates’ Society (Member; former Chair, Vice-Chair, Secretary and Committee Member of the Young Advocates' Standing Committee; Editor, “Advocacy Matters” e-brief; former Organizer/Steering Committee Member, Civility and Professionalism follow-up symposium)
  • Canadian Bar Association (Member)
  • Ontario Bar Association (Member)


  • The Best Lawyers in Canada 2014–2020 (Product Liability; Entertainment)
  • Benchmark Litigation 2016-2019 (Litigation Star: Class Action; Intellectual Property; Product Liability)
  • Managing Intellectual Property "IP Star" (2017-2019)
  • WTR 1000: The World's Leading Trademark Professionals (2019)


Class Actions
Competition, Antitrust & Foreign Investment
Copyright & Entertainment
Intellectual Property
Product Liability