Steve J. Tenai


Admitted to the Ontario Bar: 1992

Steve is a skilled advocate with more than 25 years’ experience. He has represented individual and corporate clients before all levels of trial and appellate courts, including the Supreme Court of Canada, and before various regulatory bodies, including the Ontario Securities Commission. His reputation as a leading Canadian litigator has led to numerous accolades by several international and national guides to the legal profession.

Steve is a member of the firm’s Litigation & Dispute Resolution Group. His practice focuses on class action, securities, M&A, corporate, commercial, oppression and privacy related litigation. He has defended over a dozen securities and consumer related class actions.

Steve's experience also includes representing clients within the context of investigations by securities and law enforcement agencies. He has further undertaken internal investigations on behalf of clients.

Steve also advises clients on matters of corporate governance and privacy law.

Steve began his legal career as a law clerk at the Supreme Court of Canada.

Awards & Recognition

  • Chambers Canada: Canada’s Leading Lawyers for Business, Dispute Resolution: Class Action (Defence) – Nationwide
  • The Best Lawyers in Canada, Director & Officer Liability Practice, Class Action Litigation, Corporate and Commercial Litigation and Securities Law
  • The Canadian Legal Lexpert Directory, Class Actions, Litigation – Directors’ & Officers’ Liability and Litigation – Securities
  • Lexpert/ROB Special Edition – Canada’s Leading Litigation Lawyers
  • Lexpert Special Edition: Mining
  • Lexpert Guide to the Leading US/Canada Cross-Border Corporate Lawyers in Canada, Class Actions (2014) and “Litigation Lawyer to Watch” (2007)
  • Benchmark Canada, Litigation Star in Class Action, General Commercial and Public Law
  • Martindale-Hubbell, Distinguished Peer Review Rating for High Professional Achievement and High Ethical Standard

Professional Involvement


  • Fellow in The Trial Lawyer Honorary Society of the Litigation Counsel of America
  • Canadian Bar Association
  • Litigation Counsel of America
  • Ontario Bar Association, Class Actions Section (Executive Committee Member 2018-2021) and Privacy and Access to Information Law Section (Executive Committee Member 2018-2019)
  • The Advocates’ Society (Former Member, Board of Directors)

Representative Matters

  • Represented a global manufacturer and a Canadian mining company in a $1 billion shareholder class action suit arising from the takeover of a mining company, and in an OSC s. 127 hearing concerning a shareholders’ rights plan.
  • Represented a global professional services and project management company in defending multiple shareholder class actions. One of the class actions raised allegations of breaches of the Corruption of Foreign Public Officials Act and sought damages of $1 billion.
  • Represented a former director of a major retailer in CCAA proceedings in responding to claims against directors by creditors.
  • Represented a Canadian telecommunications company in successfully defeating a consumer class action relating to prepaid mobile phone service.
  • Represented a Caribbean state in opposing the registration of a judgment in Ontario.
  • Represented a global pharmaceutical company in having a proposed consumer class action dismissed on appeal raising claims of interference with economic relations and unjust enrichment following a declaration of invalidity of the company’s patent for one of its most prescribed medicines.
  • Represented various public companies and their officers and directors in defending shareholder misrepresentation class action litigation arising from restatements, missed guidance, related party transactions and recapitalizations, including representation during OSC investigations and settlement negotiations.
  • A member of the appeal team representing BCE Inc. and Bell Canada before the Supreme Court of Canada relating to the $51.7 billion privatization of BCE, and in the subsequent break-fee litigation.
  • Represented a senior officer of a global technology company in civil and regulatory proceedings concerning stock option grants.
  • Represented a senior officer within the context of a court ordered investigation.
  • Advised various clients in the context of cyber and other data breaches.
  • Represented a foreign state in opposing enforcement of multi-million dollar foreign judgement.

Selected Speaking Engagements

Steve has spoken at a number of conferences on such topics as shareholder rights plans, coordinating defences and investigations in cross-border securities litigation, trends in class action litigation, the oppression remedy, derivative actions and civil litigation practice.


  • LLM, University of Michigan, 2000
  • LLB, University of Toronto, 1990
  • BA, University of Toronto, 1987