Chase Bank USA is suing two Coral Springs, Fla., attorneys specializing in reducing consumer debt and South Florida affiliates, claiming they are engaging in blatantly illegal and fraudulent practices.

The federal suit filed Friday in Wilmington, Del., accuses Hess Kennedy Chartered, lawyer Laura Hess, Edward Kennedy, affiliated companies and others of using “an unlawful debt elimination scheme” relying on lawsuits challenging valid credit card charges.