

Partner at Blake, Cassels & Graydon LLP
Andrea Laing heads the Toronto Securities Litigation Group at Blakes, bringing her extensive expertise in complex litigation with a capital markets focus. Her distinguished practice encompasses securities class actions, disputes related to public disclosures and financial products, as well as regulatory enforcement and investigations. Andrea excels in providing strategic advice on issues of professional liability, indemnification, and insurance for directors and officers, and is highly regarded for defending accounting firms in auditors’ liability cases.
Renowned for her proven track record, Andrea has successfully argued at all levels of court, including the Supreme Court of Canada, the Court of Appeal for Ontario, the Divisional Court, and the Superior Court of Justice (including the Commercial List). Her adept coordination with counsel in other jurisdictions enhances her proficiency in handling multijurisdictional and cross-border matters.
Among her recent notable mandates, Andrea served as lead counsel in a series of class actions defending a major Canadian financial institution regarding trailing commissions in the mutual fund industry in Ontario and British Columbia. She also secured a significant victory in Whitehouse v. BDO, successfully opposing the certification of a securities class action against a major accounting firm, with the decision upheld by both the Divisional Court and the Court of Appeal for Ontario.
Year Call to Bar: 2000 (ON)
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