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2011 Top Trademark Firms



The list this year is comprised of 140 law firms/individuals. Thank you to all who participated. Firms are ranked according to the number of U.S. trademark registrations issued in 2010 where the firm or individual is listed as the legal representative on the registration.
  • Averages and percentages have been rounded to the nearest tenth.
  • There will be no additions to the list once it has been published.
  • The survey form was available on our website from 3/1/11-4/15/11.
Rank Name 2010 2009 2008 3 Year Avg % Change '09-'10 City State Web
1 Fross Zelnick Lehrman & Zissu, PC 974 1108 1161 1081.0 -12.1% New York NY Visit Site
2 K&L Gates LLP 837 1020 1335 1064.0 -17.9% Pittsburgh PA Visit Site
3 Kilpatrick Townsend & Stockton 730 935 1182 949.0 -21.9% Atlanta GA Visit Site
4 Knobbe Martens Olson & Bear LLP 698 767 812 759.0 -9.0% Irvine CA Visit Site
5 Merchant & Gould P.C. 622 694 799 705.0 -10.4% Minneapolis MN Visit Site
6 Arent Fox LLP 583 777 866 742.0 -25.0% Washington DC Visit Site
7 Holland & Hart 552 462 445 486.3 19.5% Denver CO Visit Site
8 Husch Blackwell LLP 536 574 823 644.3 -6.6% St. Louis MO Visit Site
9 Ladas & Parry LLP 535 435 577 515.7 23.0% New York NY Visit Site
10 Venable LLP 503 529 689 573.7 -4.9% Washington DC Visit Site
11 Duane Morris LLP 487 406 569 487.3 20.0% Philadelphia PA Visit Site
12 Barnes & Thornburg LLP 470 577 485 510.7 -18.5% Indianapolis IN Visit Site
13 Wood, Herron & Evans 447 348 482 425.7 28.4% Cincinnati OH Visit Site
14 Foley & Lardner LLP 438 416 489 447.7 5.3% Visit Site
15 Sughrue Mion, PLLC 436 483 683 534.0 -9.7% Washington DC Visit Site
16 Kenyon & Kenyon LLP 412 436 518 455.3 -5.5% New York NY Visit Site
17 Fish & Richardson 386 404 526 438.7 -4.5% Boston MA Visit Site
18 Cozen O'Connor 379 364 381 374.7 4.1% Philadelphia PA Visit Site
19 Sheridan Ross P.C. 378 290 346 338.0 30.3% Denver CO Visit Site
20 Cantor Colburn LLP 369 360 354 361.0 2.5% Hartford CT Visit Site
21 Drinker Biddle & Reath LLP 362 328 328 339.3 10.4% Philadelphia PA Visit Site
22 Harness, Dickey & Pierce PLC 348 275 309 310.7 26.5% Troy MI Visit Site
23 Buchanan Ingersoll & Rooney PC 341 348 493 394.0 -2.0% Pittsburgh PA Visit Site
24 Blakely Sokoloff Taylor & Zafman LLP 327 287 390 334.7 13.9% Los Angeles CA Visit Site
25 Finnegan, Henderson, Farabow, Garrett & Dunner, LLP 322 393 468 394.3 -18.1% Washington DC Visit Site


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