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

This week: Paul Clement told the U.S. Seventh Circuit on Monday that bankrupt 3M unit Aearo has a "straightforward case for reversal." Juul has agreed to settle thousands of lawsuits over its e-cigarettes, with some reports estimating total payouts of $1.7 billion. Find out who the lawyers are representing L'Oreal and other hair relaxer brands in cancer lawsuits.

I'm Amanda Bronstad. Feel free to reach out to me with your input. My email is [email protected], or follow me on Twitter: @abronstadlaw.com.

Paul Clement, now with Clement & Murphy, speaking at the Federalist Society's 7th Annual Executive Branch Review Conference, on Wednesday, May 8, 2019.

3M Appeal: Bankruptcy Order Added 9,000 Earplug Cases

A 3M subsidiary that failed to automatically halt all combat earplug lawsuits despite filing for Chapter 11 bankruptcy protection filed its opening salvo to the Seventh Circuit on Monday.