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

This week: Prominent plaintiffs’ firms already are investigating CrowdStrike‘s July 19 global tech outage that hampered airlines and other businesses. Johnson & Johnson needs 75% of talc claimants to vote this Friday for its $6.48 billion bankruptcy plan. And who got appointed to lead antitrust lawsuits over concrete additives?