Ontario’s top court defines “material change” in securities litigation
In a pair of companion decisions released on May 24, 2023 (Markowich v. Lundin Mining and Peters v. SNC-Lavalin Group Inc.) the Court of Appeal for Ontario respectively overturned and upheld Superior Court of Justice decisions refusing leave to proceed with proposed class actions under Part XXIII.1 of the Securities Act. Both decisions turned on whether certain events met the definition of a “material change” that the companies should have publicly disclosed sooner. In Lundin Mining, the events were pit wall instability and a rockslide at one of the defendant mining company’s Chilean open pit mines. In SNC-Lavalin, the event was ... [more] Full article
Ontario’s top court overturns decision refusing leave to proceed with misrepresentation claim against mining company
In a decision released on May 24, 2023 in Markowich v. Lundin Mining, the Court of Appeal for Ontario overturned a Superior Court of Justice decision refusing leave to proceed ... [more] Full article
Where’s the beef? Class action alleges price-fixing, restricting supply
A Quebec class action is being brought against four beef companies that are alleged to have an 85% share of the Canadian market and an 80% of the American market. ... [more] Full article
Superior Court Certifies $1.0 Billion Foreign Exchange Price Fixing Class Action
In his decision released earlier this Spring, Ontario Superior Court Justice Paul Perell certified a class action in Mancinelli v. Royal Bank of Canada claiming $1.0 Billion in damages against ... [more] Full article
Class Actions and Other Private Actions Contributors
Michael Binetti
Michael Binetti, a partner of the firm, brings a proven litigation background plus extensive experience in arguing both trials and appeals. He has demonstrated his strategic legal capability and expertise in wide-ranging areas of litigation. Michael’s peers and clients have commented that Michael is an “excellent and creative lawyer,” “finds unique solutions to complex problems,” and that “Michael gets it and knows how to win.”
Kenneth A. Dekker
Kenneth Dekker, a partner of the firm, is a successful trial and appellate lawyer who is valued by his clients as a resourceful and practical litigation counsel. Over more than two decades, Ken has litigated noteworthy cases in a range of fields that include class action defence, securities and broker-dealer litigation and regulatory defence, corporate and shareholder disputes (including oppression and winding up cases), defamation, civil fraud litigation, disputes over contracts, injunctions, professional liability litigation, employment litigation and cross-border litigation issues. Ken has appeared before all levels of courts in Ontario, including the Ontario Court of Justice, the Superior Court of Justice, the Divisional Court and the Court of Appeal for Ontario, as well as before the Supreme Court of Canada. Ken also represents and advises clients in regulatory matters before the Investment Industry Organization of Canada (IIROC), the Mutual Fund Dealers Association of Canada (MFDA) and the Ontario Securities Commission (OSC). Ken has been ranked as Repeatedly Recommended for Securities Litigation by Lexpert, for Corporate and Commercial Litigation by Best Lawyers of Canada, and he has been given the highest available rating of AV, or pre-eminent, by his peers on Martindale-Hubbell.
Masiel A. Matus
Masiel has a broad commercial litigation practice and represents both national and international clients in a variety of complex matters. Masiel has experience litigating cases involving professional negligence, commercial leasing and real property disputes, insurance, contract disputes, shareholder disputes, fraud, breach of fiduciary duty, breach of trust, employment matters and defamation claims.
Christopher Somerville
Chris brings a creative, strategic, and practical approach to litigation. His wide-ranging experience and expertise encompass numerous areas of law, including corporate/commercial, securities, employment, construction, product liability, asset recovery, and administrative law.
David N. Vaillancourt
David's practice expertise focuses on all matters of Commercial and Civil Litigation, Competition and Administrative Law. David has acted for clients in a wide range of disputes, including shareholder and partnership disputes, securities litigation, class action defence, proceedings under the Competition Act, employment law disputes, contract disputes, breach of confidence/intellectual property disputes, fidelity bond claims, and professional negligence claims. David has appeared before all levels of court in Ontario, including the Court of Appeal for Ontario, and has also appeared before the Competition Tribunal and the Federal Court of Appeal. David has appeared as lead counsel in numerous trials, hearings, and motions. David has been successful in numerous adversarial proceedings, and also has successfully negotiated the resolution of dozens of cases.
