Companies Accused of Breaching Fiduciary Duty to Employee Benefit Plans in ERISA Litigation Wave by RG | Jun 24, 2025 | Law.com The number of ERISA class actions against Fortune 500 entities was up 162% in May, according to data from Law.com Radar. The number of ERISA class actions against Fortune 500 entities was up 162% in May, according to data from Law.com Radar.