Skip to main content
This website uses cookies. By continuing to use this website you are agreeing to our use of cookies as described in our privacy policy.
Antonio  Di Domenico

Antonio Di Domenico

Partner | Co-leader, Antitrust / Competition & Marketing Fasken
Competition enforcement – both by the Competition Bureau and private actors through class actions - has intensified, requiring multi-faceted strategies to avoid challenges and to defend when necessary.
Jurisdiction Ontario, 2006
Language(s) English, Italian
Office(s) Toronto

Tony is a Partner and Co-Leader of the firm’s Antitrust/Competition & Marketing Law Group.  As former counsel to Canada’s Commissioner of Competition (Department of Justice Canada), Tony is well positioned to represent and counsel clients in connection with a variety of domestic and multi-jurisdictional competition matters, including mergers, criminal cartel cases, class actions, advertising and marketing practices and abuse of dominance. 


Tony advises on all aspects of Canadian competition law, including mergers, criminal cartel matters, advertising and marketing practices, abuse of dominance and other reviewable practices. Tony represents parties in criminal and civil investigations, litigated proceedings before Canada’s Competition Tribunal and class action litigation. Tony also advises on Canada’s Corruption of Foreign Public Officials Act.

From 2014-2016, Tony served as a special appointment with the Department of Justice (Canada) as counsel to Canada’s Commissioner of Competition. In this role, Tony represented the Commissioner in complaints and investigations, enforcement matters, the review of mergers, major litigated proceedings and the negotiation of remedies and orders. Tony secured numerous production orders/subpoenas on behalf of the Commissioner and advised on Competition Bureau enforcement guidelines and competition policy matters.

Tony has represented parties in many of Canada’s most significant competition and consumer matters, including the Parkland/Pioneer contested merger injunction and proceeding, the Avis/Budget drip pricing litigation, the Vancouver Airport Authority abuse of dominance litigation, the Direct Energy abuse of dominance litigation, the Volkswagen/Audi diesel emissions matter; numerous cartel investigations and parallel class actions; the Toshiba Canada’s challenge of the Competition Bureau’s production order (section 11 order), the UPS Canada consumer class actions and numerous complex merger reviews. 

Tony has extensive trial and appellate experience, having appeared as counsel before Canada’s Competition Tribunal, all levels of court in Ontario, the Federal Court of Canada, the Federal Court of Appeal and the Supreme Court of Canada.

Tony is a frequent speaker and commentator on competition issues, and co-editor of Fasken’s antitrust/competition and foreign investment blog, the Competition Chronicle. Tony is an adjunct professor at Osgoode Hall Law School, where he teaches competition law. Tony is active in the Leadership of the Canadian Bar Association’s National Competition Law Section and the American Bar Association’s Section of Antitrust Law. Tony chairs the Ontario Bar Association’s Class Action Section.  Tony is a team leader for Osgoode’s Intensive Trial Advocacy Program and a skills instructor for the Advocates’ Society. Tony is a non-governmental advisor to the International Competition Network.  

Tony’s community work includes serving on the board of directors of the Italian Chamber of Commerce of Ontario and the Hockey Association for the Developmentally Challenged. 


2018 The Legal 500 Canada For Competition and Antitrust Law
2018 Benchmark Litigation As "Future Star" in Ontario


  • LLB Osgoode Hall Law School at York University
  • BA, (Hons) Summa Cum Laude York University

Community involvement

  • Vice-Chair, York University Alumni Association Board of Directors
    • Chair, Awards Committee
  • Board Member, Hockey Association for the Developmentally Challenged
  • Director, Osgoode Hall Law School Alumni Association Board of Directors (past) 
    • Co-Chair, Awards Committee 
  • Chair, Osgoode Hall Law School Mentorship Program (past)
  • Governor, York University (past)
  • Senator, York University Senate (past) 
  • Small Claims Pro Bono Counsel Project, Pro Bono Law Ontario (past)

Memberships & Affiliations

  • Canadian Bar Association, National Competition Law Section
    • Chair, Criminal Matters Committee
    • Member, Competition Litigation, Mergers, Reviewable Matters/Unilateral and Marketing Practices Committees
  • American Bar Association, Section of Antitrust Law 
    • Vice-Chair, Consumer Protection Committee
    • Editor, Consumer Protection Committee's International Consumer Development Updates
    • Member, Cartel and Criminal Practice Committee
    • Co-Chair, American Bar Association Criminal Justice Section Regional Sub-Committee (Canada) on White Collar Crime
  • Ontario Bar Association
    • Vice-Chair, Class Action Section
    • Member, Civil Litigation Section
  • The Advocates' Society
    • Chair, Young Advocates' Standing Committee (past)
    • Co-Chair, Class Actions Practice Group (past)
    • Member, Board Standing Committees (Education and Operations, Governance and Finance Committees) (past)
    • Task Forces (Paperless Trials Manuals, Communications with Testifying Experts)
    • Co-Chair, Fall Forum 2012 Conference (past)
  • Adjunct Professor, Osgoode Hall Law School/Osgoode Professional Development
    • Lawyer As Negotiator (course focused on dispute resolution and negotiation theory and practice)
    • Intensive Trial Advocacy Workshop (intensive trial advocacy course for lawyers)
  • Defence Research Institute
  • Toronto Lawyers' Association
  • Italian Chamber of Commerce of Ontario
    • Chair, under-40 Division (past)
  • Canadian Italian Advocates Organization 
    • Director, Board of Directors (past)
Article New Private Right of Action in Canada for False or Misleading Electronic Representations: A Reference Guide for Success American Bar Association Section of Antitrust Law, 2017 Spring Meeting
Article Northern Exposure: New Private Right of Action in Canada for False or Misleading Electronic Advertising What's In Store (Volume 26, No. 1)
CASL: Time to get Serious about Compliance location location Toronto
Advertising Bargains: Is the Price Right? 2017 Spring Meeting, American Bar Association Section of Antitrust Law location location Washington
A Firsthand Analysis of the Parkland Case Canadian Bar Association, National Competition Law Section location location Toronto Toronto, ON


    Receive email updates from our team