Mayer Brown elevated 10 attorneys to partner in Chicago, and five lawyers were named new counsel in its Chicago office.The following attorneys became partner, with practice group noted:John R. Ablan, Corporate & Securities; Adam G. Arnett, Corporate & Securities; Abigail M. Bartine, Litigation & Dispute Resolution; Amanda Streff Bonner, Intellectual Property; Paul A. Chandler, Corporate & Securities; Tyler R. Ferguson, Restructuring; Brian L. Kuhl, Banking & Finance; Jamie R. Netznik, Restructuring …