We compiled a list of the top patent law firms and ranked them based on the total number of utility patents they filed in 2011. We have filtered company legal departments to compile the list.
| Law Firm | Applications |
| Oblon Mcclelland Maier & Neustadt LLP | 6854 |
| Sughrue Mion PLLC | 4466 |
| Birch Stewart Kolasch & Birch LLP | 3803 |
| Scienbizip PC | 3583 |
| Nixon & Vanderhye PC | 3568 |
| Knobbe Martens Olson & Bear LLP | 3266 |
| Oliff PLC | 3185 |
| Foley & Lardner LLP | 2819 |
| Venable LLP | 2190 |
| Staas & Halsey LLP | 1863 |
| Muncy Geissler Olds & Lowe PC | 1791 |
| Wenderoth Lind & Ponack LLP | 1629 |
| Buchanan Ingersoll & Rooney PC | 1599 |
| Mcdermott Will & Emery LLP | 1569 |
| Westerman Hattori Daniels & Adrian LLP | 1558 |
| Cantor Colburn LLP | 1481 |
| Finnegan Henderson Farabow Garrett & Dunner | 1462 |
| Harness Dickey & Pierce PLC | 1392 |
| Dentons LLP | 1389 |
| Harness Dickey Troy | 1317 |
