Most notably, the firm is best known for the role one of its lawyers, Michael Sussmann, played in spreading a false theory tying the Trump Organization to Russia’s Alfa Bank.
Mr. Sussman, who represented the Clinton campaign, faced criminal charges of lying to the FBI when, at a September 2016 meeting, he told a bureau official that he was not representing a client while encouraging the bureau to probe what turned out to be a false story about Mr. Trump’s link to Alfa Bank.