Top Inventors at Costar Group All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | George Lyman | 15 |
| 2 | Gregory Mathus | 10 |
| 3 | David Root | 8 |
| #4 | Andrew Florance | 7 |
| #5 | John D. Choi | 3 |
| #6 | Anthony Labriola | 3 |
| #7 | Bruce A. Foster | 2 |
| #8 | Constantine Violagis | 2 |
| #9 | David E. Butz | 2 |
| #10 | David Schaffel | 2 |
| #11 | Harlan Hamlin | 2 |
| #12 | John Stanfill | 2 |
| #13 | Mark Newmister | 2 |
| #14 | Michael Glick | 2 |
| #15 | Robert Stroman | 2 |
| #16 | Vladimir Bulkin | 2 |
| #17 | Bob Evatt | 1 |
| #18 | Craig Farrington | 1 |
| #19 | David Block | 1 |
| #20 | Deborah Hofman | 1 |
| #21 | James George Clements | 1 |
| #22 | Jennifer S. Kitchen | 1 |
| #23 | John Merritt | 1 |
| #24 | John F. Pacheco | 1 |
| #25 | Kevin M. Looney | 1 |
| #26 | Lewis Lawton | 1 |
| #27 | Mark Klionsky | 1 |
| #28 | Manuel M. Pacheco | 1 |
| #29 | Scot Bohl | 1 |
| #30 | Robert Evatt | 1 |