Barry M. Klayman and Mark E. Felger TCV VI v. TradingScreen, TCV VI v. TradingScreen, Barry M. Klayman is a member in the commercial litigation group and the bankruptcy, insolvency and restructuring practice group at Cozen O'Connor. He regularly appears in Chancery Court. Mark E. Felger is co-chair of the bankruptcy, insolvency and restructuring practice group at the firm.