Welcome to Law.com Class Actions: Critical Mass, a weekly briefing for class action and mass tort attorneys. McKinsey & Co. plans to raise two arguments this month to dismiss opioid cases: lack of jurisdiction and releases in its $642 million multistate settlement. Lawyers suing over Boeing’s 737 Max 8 already see unusual aspects of Monday’s crash in China. Find out who represents John Deere in a new slate of antitrust 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.

McKinsey & Co. sign in Bucharest, Romania. Credit: Jerry Michalski via Wikimedia Commons

US Chamber, States Back Dismissal of McKinsey’s        Opioid Lawsuits