Ungaretti & Harris LLP is merging with Nixon, Peabody LLP. The combined firm will begin operation on Feb. 1 and will use the Nixon, Peabody name. “We are privileged to team up with a prestigious law firm like Ungaretti & Harris with a stellar reputation serving public and private clients,” Nixon, Peabody managing partner and CEO Andrew I. Glincher said in a statement today. “This combination is responsive to the needs of our clients with interests in Chicago and the Midwest as we grow and …