Numerous current and former law firms are considered notable. Though such directories were, in 2019, decreasing in popularity; two major sources of law firm information are Chambers and Partners directories and The Legal 500 series, wherein current and former law firms are rated.
Multinational
A number of firms are multinational and are not headquartered in any country. These include:
Dentons, the largest law firm by number of lawyers
Americas
Canada
United States
Alabama
Bradley Arant Boult Cummings, based in Birmingham
Maynard, Cooper & Gale, P.C., based in Birmingham
Arizona
Fennemore Craig, based in Phoenix
Lewis Roca Rothgerber Christie, based in Phoenix
Snell & Wilmer, based in Phoenix
California
The Cochran Firm, based in Los Angeles
Gibson, Dunn & Crutcher, based in Los Angeles
Irell & Manella, based in Los Angeles
Kiesel Boucher Larson, based in Los Angeles
Latham & Watkins, based in Los Angeles
Public Counsel, based in Los Angeles
Los Angeles Dependency Lawyers, based in Los Angeles
Lyon & Lyon, based in Los Angeles
Manatt, Phelps & Phillips, based in Los Angeles
Moxon & Kobrin, based in Los Angeles
Munger, Tolles & Olson, based in Los Angeles
Nossaman, based in Los Angeles
O'Melveny & Myers, based in Los Angeles
Paul Hastings, based in Los Angeles
Quinn Emanuel Urquhart & Sullivan, based in Los Angeles
Trevor Law Group, based in Los Angeles
Cooley LLP, based in Palo Alto
Wilson Sonsini Goodrich & Rosati, based in Palo Alto
Luce, Forward, Hamilton & Scripps, based in San Diego
Robbins Geller Rudman & Dowd LLP, based in San Diego
Brobeck, Phleger & Harrison, based in San Francisco
Gordon & Rees, based in San Francisco
Graham & James, based in San Francisco
Halleck, Peachy & Billings, based in San Francisco
Heller Ehrman, based in San Francisco
Keker & Van Nest, based in San Francisco
Lieff Cabraser Heimann & Bernstein, based in San Francisco
Littler Mendelson, based in San Francisco
Morrison & Foerster, based in San Francisco
Orrick, Herrington & Sutcliffe, based in San Francisco
Thelen LLP, based in San Francisco
Adelson, Testan, Brundo & Jimenez
Donahue Gallagher Woods
Lewis Brisbois Bisgaard & Smith
Romero Institute
Rutan & Tucker
Silicon Valley Law Group
Georgia
Alston & Bird, based in Atlanta
Fisher & Phillips, based in Atlanta
Kilpatrick Townsend & Stockton, based in Atlanta
King & Spalding, based in Atlanta
McKenna Long & Aldridge, based in Atlanta, merged into Dentons in 2015