| Rank | Firm | Patent Attorneys/Agents |
|---|---|---|
| 1 | Small firm, in-house, unaffiliated | 417 |
| 2 | Knobbe Martens Olson & Bear | 32 |
| 3 | Fish & Richardson | 24 |
| 4 | Wilson Sonsini Goodrich & Rosati | 20 |
| 5 | Paul, Hastings, Janofsky & Walker | 19 |
| 6 | Morrison & Foerster | 17 |
| 7 | DLA Piper Rudnick Gray Cary | 12 |
| 8 | Foley & Lardner | 11 |
| 9 | Heller Ehrman | 10 |
| 10 | Cooley Godward | 8 |
| 10 | Gordon & Rees | 8 |
| 12 | Jones Day | 7 |
| 13 | McDermott, Will & Emery | 6 |
| 13 | Duane Morris | 6 |
| 13 | Luce, Forward, Hamilton & Scripps | 6 |
| 13 | Townsend and Townsend | 6 |
| 17 | Fitch Even Tabin and Flannery | 5 |
| 18 | Buchanan Ingersoll | 4 |
| 18 | Pillsbury Winthrop Shaw Pittman | 4 |
| 18 | Sheppard, Mullin, Richter & Hampton | 4 |
| 21 | Mintz Levin Cohn Ferris Glovsky and Popeo | 3 |
| 21 | Birch Stewart Kolasch and Birch | 3 |
| 23 | Latham & Watkins | 2 |
| 23 | Baker & McKenzie | 2 |
| 25 | Ross Dixon and Bell | 1 |
| 25 | Cozen O'Connor | 1 |
