Lundin Mining v. Markowich: How the Supreme Court Is Shaping Disclosure Practices

In Lundin Mining Corp. v. Markowich, 2025 SCC 39, the Supreme Court of Canada clarified how issuers must identify and meet their disclosure obligations regarding “material changes” under Canadian securities laws. The Court emphasized that issuers must follow a disciplined two-step analysis in which the steps remain analytically distinct. First, an issuer must determine whether …

Supreme Court Confirms Shareholders Cannot Sue Professional Advisors for Corporation’s Losses

Just a few weeks ago, the Supreme Court of Canada released a decision which confirmed that shareholders cannot sue third parties such as accountants or lawyers for negligent advice that causes losses to the corporation they own (Brunette v. Legualt Joly Thiffault s.e.n.c.r.l., 2018 SCC 55 (Brunette)). In this blog post I outline the Court’s …