White & Case13DLA Piper11Arnold & Porter9Dechert8Sidley Austin7Shearman & Sterling6Gibbons5Greenberg Traurig5Morgan & Morgan5Butzel Long4Cleary Gottlieb Steen & Hamilton4King & Spalding4Proskauer Rose4Baker Botts3Cooley3Hogan Lovells3Hughes Hubbard & Reed3Jones Day3Simpson Thacher & Bartlett3Skadden, Arps, Slate, Meagher & Flom3Burleson2Covington & Burling2Curtis, Mallet-Prevost, Colt & Mosle2Davis Polk & Wardwell2Haynes and Boone2Mayer Brown2Milbank, Tweed, Hadley & McCloy2Nixon Peabody2Sedgwick2Sullivan & Cromwell2Vinson & Elkins2Akin Gump Strauss Hauer & Feld1Allen Matkins Leck Gamble Mallory & Natsis1Arent Fox1Chadbourne & Parke1Crowell & Moring1Fulbright & Jaworski1Jackson Walker1Kramer Levin Naftalis & Frankel1Pillsbury Winthrop Shaw Pittman1Sheppard, Mullin, Richter & Hampton1Shutts & Bowen1Steptoe & Johnson LLP1Wachtell, Lipton, Rosen & Katz1Weil, Gotshal & Manges1