Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8751431 | System and method for inferring traffic legitimacy through selective impairment | Nicholas Duffield | 2014-06-10 |
| 7630949 | System and method for inferring traffic legitimacy through selective impairment | Nicholas Duffield | 2009-12-08 |