After negotiations related to losses deadlocked, American Home Mortgage Servicing this week filed a lawsuit against Lender Processing Services and its affiliate, DocX. The non-prime servicer is seeking to recover losses from LPS relating to faulty assignments of non-agency mortgages set for foreclosure. The lawsuit follows more than a year of negotiations between the companies as American Home attempted to recover millions of dollars in losses. LPS said it was surprised by the lawsuit and that American Home had refused to provide evidence of actual losses suffered. ...