With $4 billion on the line, a team from Weil, Gotshal & Manges led by litigation department co-chair Jonathan Polkes scored a decisive summary judgment win on behalf of some of the biggest names in finance and real estate, beating back an investor class action that had been headed for trial.

The decision by U.S. District Judge William Martinez in Denver on Aug. 25 ended a 10-year fight over the $22 billion purchase of Archstone in 2007—one of the largest REITs going private transactions in history.