AIG, Chubb Units Sue McKinsey Seeking to Duck Opioid Litigation

Units of Chubb Ltd. and American International Group Inc. brought separate suits against McKinsey & Co. in Delaware state court over coverage for opioid-related litigation, delivering a one-two punch to the consulting giant.

The carriers had no duty to pay McKinsey’s legal defense or settlement costs under various liability policies issued to the firm for suits over its alleged contributions to the opioid epidemic, the insurers told the Delaware Superior Court. Chubb’s suit was filed Jan. 21 and AIG’s followed on Thursday.

McKinsey last month agreed to pay $650 million to resolve a Justice Department investigation that found the consulting ...