 The case, "U.S. ex rel.Sandler and Paris v. Wyeth Pharmaceuticals and Pfizer, Inc." was brought by multiple whistleblowers and culminated in one of the largest False Claims Act recoveries for a single drug.In 2014, CareFusion paid $40.1 million to settle allegations of violating the False Claims Act by promoting off label use of its products in the case United States ex rel.