Advertisement Progressive Casualty Insurance Co. sued different insurance companies for patent infringement of 5 of its patents in 2010-2012 in the Northern District of Ohio. (Cases 1:10CV01370 and 1:11CV00082 against Safeco; Case 1:12CV01068 against State Farm; and Case 1:12CV01070 against Hartford.) One of the defendants is Safeco Insurance Company, which has Liberty Mutual as its … Continue reading Progressive Casualty Litigation Stayed Pending Outcome of Liberty Mutual Covered Business Method Patents