On March 17, 2026, the U.S. Court of Appeals for the Ninth Circuit issued a significant opinion in United States ex rel. Adventist Health System of West v. AbbVie Inc., reversing the district court’s dismissal of a qui tam complaint brought under the False Claims Act (FCA) against four major drug manufacturers. The Ninth Circuit held that the FCA provides an independent mechanism for relators to bring claims alleging fraudulent drug pricing in violation of the Public Health Service Act’s Section 340B Program, even though Section 340B does not provide a private right of action.

Read on to learn more about the ruling and its important implications for pharmaceutical manufacturers participating in the Section 340B Program.