An FEC complaint has been filed
".... Clinton's campaign reportedly routed 37 payments to Fusion GPS through the law firm Perkins Coie, totaling over $5.5 million, and reported each as "legal services." The DNC reported 345 payments to Perkins Coie during the election cycle and marked the payments as "legal and compliance consulting, administrative fees, and data services subscription" among others, according to the complaint.
"Payments by a campaign or party committee to an opposition research firm are legal, as long as those payments are accurately disclosed," Brendan Fischer, director of federal and FEC reform at Campaign Legal Center, said. "But describing payments for opposition research as ‘legal services' is entirely misleading and subverts the reporting requirements." ...."