Cannon v. Armstrong Containers Inc., No. 22-2636 (7th Cir. 2024)
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In this toxic tort case, a group of plaintiffs alleged that they were harmed by exposure to white lead carbonate (WLC), a lead paint pigment, while growing up in Milwaukee homes in the 1990s and early 2000s. They sought to hold several manufacturers of WLC liable under state-law negligence and strict liability theories. The case was managed such that groups of plaintiffs would try their claims in a series of waves. The initial waves of plaintiffs met defeat in both the district court and the Court of Appeals, resulting in summary judgment for the defendants on all claims. The district court then extended these rulings to the remaining plaintiffs based on the law of the case and issue preclusion.
On appeal, the United States Court of Appeals for the Seventh Circuit determined that most of the plaintiffs indeed were bound by the district court's rulings due to their decision to proceed under a single complaint. However, a small group of plaintiffs who filed their own cases were found to be entitled to try their claims, as due process protected their rights. The court affirmed the district court's decision in large part, but reversed it in small part, sending the case back to the district court for further proceedings with respect to this small group of plaintiffs.
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