Article
Boeing and Securities Class Certification: Trends in the United States and Canada
A U.S. appeals court has unanimously overturned certification of a securities class action against Boeing, establishing that plaintiffs must demonstrate a workable, class-wide damages methodology at the certification stage. This decision reinforces heightened standards for class certification that parallel evolving requirements in Canadian securities litigation, where courts increasingly demand concrete evidence and specific liability theories before approving class actions.
Blake, Cassels & Graydon LLP