John specializes in commercial, administrative and competition law litigation. He appears in all levels of the federal and provincial trial and appellate courts throughout Canada. He is recognized as among the most sought-after competition litigators in Canada. He appears before the Competition Tribunal and in the courts in matters relating to price fixing, mergers and reviewable practices including claims for abuse of dominance. He acts for the Commissioner of Competition and numerous private sector clients in various competition, commercial and administrative law matters. He writes extensively in his areas of expertise and is a frequent speaker. He is regularly recognized by leading legal directories including Lexpert®, Chambers & Partners, The Legal 500 and many more as a leading competition and antitrust lawyer.