2014

Arnold & Porter
Baker Botts
Hogan Lovells US
Hunton & Williams
Kirkland & Ellis
Morrison & Foerster
Munger, Tolles & Olson
Orrick, Herrington & Sutcliffe
Paul, Weiss, Rifkind, Wharton & Garrison
Vinson & Elkins

2013

Arnold & Porter
Fulbright & Jaworski
Goodwin Procter
Hunton & Williams
Orrick, Herrington & Sutcliffe
Perkins Coie
Reed Smith
Shearman & Sterling
Sidley Austin
Squire Sanders

2012

Arnold & Porter
Crowell & Moring
Hunton & Williams
Latham & Watkins
Littler Mendelson
Orrick, Herrington & Sutcliffe
Mintz, Levin, Cohn, Ferris, Glovsky & Popeo
Perkins Coie
Reed Smith
WilmerHale

2011

Arnold & Porter
Covington & Burling
Dorsey & Whitney
Kirkland & Ellis
Mayer Brown
Mintz Levin
Perkins Coie
Pillsbury
Sidley Austin
WilmerHale

2010

Arnold & Porter
Debevoise
Dorsey & Whitney
Kirkland & Ellis
Mayer Brown
Mintz Levin
Perkins Coie
Sidley Austin
Steptoe & Johnson
WilmerHale

2009

Arnold & Porter
Cleary Gottlieb
Covington & Burling
Jenner & Block
Katten
Mayer Brown
Munger
Patton Boggs
Sidley Austin
WilmerHale

2008

Arnold & Porter
Covington & Burling
Debevoise
Dorsey & Whitney
Gibson Dunn
Kirkland & Ellis
Kramer Levin
Mintz Levin
Perkins Coie
WilmerHale

2007

Akin Gump
Arnold & Porter
Covington & Burling
DLA Piper
Faegre Baker Daniels
Jenner & Block
Mayer Brown
Mintz Levin
Proskauer
Quarles & Brady

2006

Arnold & Porter
Cleary Gottlieb
Covington & Burling
Cravath
Debevoise
Gibson Dunn
Paul Hastings
Ropes & Gray
Simpson Thacher
WilmerHale