The firm has represented public and private companies and individuals in internal investigations, grand jury probes and other criminal investigations, agency investigations and civil False Claims Act litigation. Williams & Connolly clients in this area have included pharmaceutical companies, hospitals, nursing homes, pharmacy benefit management companies, insurance companies, retailers, clinics, doctors, pharmacies and high-level corporate executives, among others. These matters have covered a range of issues and statutes, including anti-kickback statutes, the Food Drug and Cosmetic Act, federal and state False Claims Acts, Medicare and Medicaid fraud and a variety of other state and federal statutes.