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

This week: Lengthy hearings occurred on key issues in both the Johnson & Johnson talc bankruptcy and the Chapter 11 case involving 3M’s combat earplugs. Juul paid $462 million, its largest settlement to date, to resolve lawsuits by six states. Find out who represents the maker of thyroid disease drug Tepezza.