AmerisourceBergen Board Beats Opioid Lawsuit by Pension Funds

AmerisourceBergen Corp. board members escaped investor litigation over its role in the opioid epidemic, when a Delaware judge ruled Thursday that their actions to keep the addictive drugs out of the black market were sufficient to avoid liability.

Vice Chancellor J. Travis Laster dismissed the shareholder derivative lawsuit, saying it was “fatally undermined” by a ruling earlier this year from a federal judge in West Virginia. The West Virginia judge found after a two-month trial that AmerisourceBergan’s leaders had lived up to their legal obligations.

That case was originally part of sprawling multidistrict litigation brought by cities and states over ...