Law360, New York (April 29, 2014, 1:08 PM EDT) -- In a recent decision, the D.C. Circuit significantly expanded the scope of the False Claims Act's first-to-file bar, while also pitting itself against a handful of circuit courts going the other way. The first-to-file bar precludes FCA suits that are based on facts underlying a "pending action." In United States ex rel. Shea v. Cellco Partnership, the D.C. Circuit held that the bar applies even where the first action has been dismissed and is no longer "pending."[1] The court expressly rejected a contrary interpretation adopted by the Fourth, Seventh, and Tenth Circuits, which have held that the defense applies only while the first action remains pending. This decision solidifies a circuit split on the issue and increases the chances that the U.S. Supreme Court will address the scope of this important statutory defense....