Welcome to Law.com Class Actions: Critical Mass, a weekly briefing for class action and mass tort attorneys.

This week: A bankruptcy judge dismissed the Chapter 11 case of 3M subsidiary Aearo Technologies after concluding it had no “valid purpose.” A jury’s $72 million verdict over Oregon wildfires sparked a second phase of punitive damages that could hit PacifiCorp with billions of dollars. Find out who is representing Botanic Tonics, accused in class actions of failing to mention the addictive ingredient kratom in its Feel Free Wellness Tonic.