We compiled a list of the top patent law firms and ranked them based on the total number of utility patents they filed in 2018. We have filtered company legal departments to compile the list.
| Law Firm | Applications Filed |
| Oblon Mcclelland Maier & Neustadt LLP | 6245 |
| Sughrue Mion PLLC | 4727 |
| Oliff PLLC | 4337 |
| Birch Stewart Kolasch & Birch llp | 4111 |
| Foley & Lardner LLP | 3652 |
| Knobbe Martens Olson & Bear LLP | 3631 |
| JCIPRNET | 2955 |
| Muncy Geissler Olds & Lowe PC | 2388 |
| Nixon & Vanderhye PC | 1908 |
| Cantor Colburn LLP | 1788 |
| Studebaker & Brackett PC | 1687 |
| Venable LLP | 1686 |
| Wenderoth Lind & Ponack LLP | 1671 |
| Greenblum & Bernstein PLC | 1611 |
| Harness Dickey Troy | 1577 |
| Banner & Witcoff Ltd | 1511 |
| Kilpatrick Townsend & Stockton LLP | 1462 |
| Buchanan Ingersoll & Rooney PC | 1449 |
| Dentons US LLP | 1421 |
| Wolf Greenfield & Sacks PC | 1393 |