| Rank | Firm | Patent Attorneys/Agents |
|---|---|---|
| 1 | Small firm, in-house, unaffiliated | 157 |
| 2 | Fish & Richardson | 68 |
| 3 | Wolf, Greenfield & Sacks | 48 |
| 4 | Wilmer Cutler Pickering Hale and Dorr | 38 |
| 5 | Lahive & Cockfield | 31 |
| 6 | Edwards & Angell | 28 |
| 6 | Goodwin Procter | 28 |
| 6 | Ropes & Gray | 28 |
| 6 | Mintz Levin Cohn Ferris Glovsky and Popeo | 28 |
| 10 | Kirkpatrick & Lockhart Nicholson Graham | 24 |
| 11 | Foley Hoag | 21 |
| 12 | Cesari and McKenna | 17 |
| 13 | Proskauer Rose | 13 |
| 13 | Choate, Hall & Stewart | 13 |
| 15 | Nutter, McClennen & Fish | 12 |
| 16 | Banner & Witcoff | 8 |
| 17 | Brown Rudnick Berlack Israels | 6 |
| 17 | Foley & Lardner | 6 |
| 19 | McDermott, Will & Emery | 5 |
| 19 | Nixon Peabody | 5 |
| 19 | Greenberg Traurig | 5 |
| 22 | Holland & Knight | 4 |
| 23 | Bingham McCutchen | 2 |
| 23 | Dechert | 2 |
| 23 | Duane Morris | 2 |
| 26 | Robins, Kaplan, Miller & Ciresi | 1 |
| 26 | Skadden, Arps, Slate, Meagher & Flom | 1 |
