April 14, 2026
The Fourth Circuit on Tuesday denied a rehearing petition lodged after a panel revived a whistleblower suit accusing an Allergan Sales LLC predecessor of overcharging Medicaid.
April 06, 2026
Major pharmaceutical and business associations urged the Fourth Circuit to reconsider a panel decision that revived a whistleblower lawsuit accusing an Allergan Sales LLC predecessor of overcharging Medicaid, warning it threatens to become a road map for False Claims Act abuses.
March 13, 2026
A split Fourth Circuit panel on Friday revived a whistleblower suit accusing an Allergan Sales LLC predecessor of overcharging Medicaid by more than $680 million, saying the whistleblower plausibly alleged the company knowingly improperly aggregated discounts into "best prices" for drugs.
February 03, 2025
Allergan told the Fourth Circuit that a district court judge was right to dismiss a whistleblower's claims that its predecessor overcharged Medicaid by not aggregating discounts, saying the Medicaid Rebate Statute doesn't require it to do so.