Law firm Ballard Spahr is moving from 919 Third Ave. to the Rudin Family’s 1675 Broadway. The firm signed a 10-year lease for the entire 19th floor with 27,000 square feet. The asking rent was $75 a square foot.

Some 683,000 square feet of new leases, renewals and expansions have been signed in the past few years in the 850,000 square-foot tower.