Benesch named Matthew J. Langley, Jacob H. Marshall, Lee B. Muench and Simeon G. Papacostas as partners at the firm.Langley is a trial lawyer who focuses his practice on class actions, white collar and government investigations, affirmative recovery and other complex civil litigation. He has experience in class action suits as well as in representing sophisticated business clients in complex business litigation and government investigations.Marshall’s practice involves parties dealing with bankruptcy, workout and …