A law firm with Cleveland roots has opened a Chicago office with five intellectual property lawyers who left Husch, Blackwell LLP.Hahn, Loeser & Parks LLP, a business law firm with about 130 lawyers, opened its eighth office on Wednesday at 125 S. Wacker Drive.The lawyers who joined as partners here are Steven E. Feldman, Daniel R. Cherry, Sherry L. Rollo, Robert M. Gould and Walter J. Kawula Jr.The five are all licensed patent attorneys who concentrate on IP litigation.Feldman serves as managing partner of Hahn …