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

This weekKen Feinberg, tasked with estimating total talc claims, provided his first update in bankruptcy court this week. The U.S. Chamber of Commerce, the American Tort Reform Association and others filed briefs before the U.S. Supreme Court supporting Johnson & Johnson's transvaginal mesh petition. Finally, find out who is representing Church & Dwight Co. Inc., the latest defendant sued over benzene in dry shampoo.

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.