District of Columbia Court of Appeals

On November 24, 2015, in United States ex rel. Purcell v. MWI Corp., No. 14-5210, slip op. (D.C. Cir. Nov. 24, 2015), the District of Columbia Circuit Court of Appeals ruled that federal False Claims Act (“FCA”) liability cannot attach to a defendant’s objectively reasonable interpretation of an ambiguous regulatory provision. While outside of the