Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9275372 | Controlling active and passive participation in a thread of conversation | Patrick J. O'Sullivan, Cynthia E. Barber-Mingo, Gary Denner, Sonya Purcell | 2016-03-01 |
| 7774407 | Postponing an instant messaging session | Orla Daly, Sonya Purcell, Patrick J. O'Sullivan | 2010-08-10 |