Chicago1804.jpgTransatlantic expansion is all the rage in the windy city. Most of Chicago’s legal heavyweights have already made the leap across the pond and, for the few that remain, time is of the essence.

“Time is starting to run out for US law firms,” says Winston & Strawn chairman James Thompson. “We have decided that we need to be in London. Our clients are telling us that we need to be in London. So London is on the front burner.”