Marshall Grossman and Stanton “Larry” Stein may be in for some awkward elevator rides.

The two heavyweights at Alschuler Grossman Stein & Kahan officially divorced Jan. 1 after a yearlong tug-of-war over the future of the 90-lawyer firm they’d fused together seven years ago. Now they’ve got their own firms — but they’re just one floor away in Santa Monica, Calif.’s Water Garden building.