| 19 November 2009 | Deadline for abstract submission |
| 16 December 2009 | Deadline for early registration fee |
| End of January 2010 | Notification of abstract authors |
| 10 February 2010 | Deadline for early registration fee for authors with accepted abstracts |
| 4 March 2010 | Deadline for intermediate registration fee |
| 8 March 2010 | Deadline for late breaker abstracts |
| 10–13 April 2010 | 20th ECCMID 2010 |