Massachusetts on Thursday sued the nation's five largest residential servicers, alleging their foreclosure practices were unlawful and deceptive.

The suit could complicate negotiations with the 50 state attorneys general who had been negotiating with top ranked firms to settle allegations that they engaged in improper foreclosure paperwork, including robosignings.

Subscribe Now

Access to a full range of industry content, analysis and expert commentary.

30-Day Free Trial

No credit card required. Access coverage of the securitization marketplace, including breaking news updated throughout the day.