Blank Rome became the latest major out-of-town firm to make an entrance in the Chicago market on Tuesday, bringing on a four-partner group from Katten Muchin Rosenman.

Leading the group, and the new Chicago location, is Kenneth Ottaviano, who had been a member of Katten’s board of directors. Joining Blank Rome with him are Karin Berg, William Dorsey and Paige Barr Tinkham.