In this qui tam action, Hayes sued over sixty companies, primarily, but not exclusively, liability insurance companies, alleging that they have been systematically noncompliant with certain statutory obligations to reimburse Medicare. Hayes alleged that, through his law practice, he acquired “personal knowledge from conversations with defense counsel, insurance carrier representatives[,] and other attorneys[ ] of the Defendant insurance companies' company-wide and nationwide failure to notify Medicare of liability case resolutions ․” App. 150-51.