Welcome to Critical MassLaw.com’s weekly briefing for class action and mass tort attorneys. Public nuisance claims, which judges have allowed in cases over public health, such as opioids and e-cigarettes, are a “new species of super tort,” business groups say. Reviewing an $80 million Roundup verdict, the 9th Circuit narrowed its arguments to federal preemption and expert evidence. A year after leaving Public JusticeArthur Bryant says he is still bringing cases with an “impact.”

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