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

This week: Find out what the judge in the Ozempic multidistrict litigation told lawyers at the first hearing in the multidistrict litigation. Class counsel in DuPont‘s $1.19 billion PFAS settlement filed a motion to sanction lawyers over their “abusive, unreasonable and vexatious behavior” that could derail the deal.