*Akin Gump Strauss Hauer & Feld
Baker, Donelson, Bearman, Caldwell & Berkowitz
Brownstein Hyatt Farber Schreck
Carrington, Coleman, Sloman & Blumenthal
*Cleary Gottlieb Steen & Hamilton
Epstein Becker & Green
(Washington, D.C. office only)
Finnegan, Henderson, Farabow, Garrett & Dunner
Freshfields Bruckhaus Deringer
(U.S. offices only)
Fried, Frank, Harris, Shriver & Jacobson
Graves Dougherty Hearon & Moody
Kramer Levin Naftalis & Frankel
Linklaters
(U.S. offices only)
*Miller, Canfield, Paddock and Stone
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo
*Nelson Mullins Riley & Scarborough
Norton Rose Fulbright (Canada)
*Orrick, Herrington & Sutcliffe
Patterson Belknap Webb & Tyler
*Paul, Weiss, Rifkind, Wharton & Garrison
Pillsbury Winthrop Shaw Pittman
*Skadden, Arps, Slate, Meagher & Flom
*Wilmer Cutler Pickering Hale and Dorr
* Charter Challenge Signatory