| March 1, 2023 | Abstract Submission and Travel Award Application Opens |
| March 15, 2023 | Registration & Housing Opens |
| April 20, 2023 (23:59 PDT) | Pre-Congress Session “Big Questions in Proteomics” Proposal Submission Deadline |
| April 21, 2023 | ECR Manuscript Competition Deadline (Extended) |
| June 1, 2023 (23:59 PDT) | Abstract Submission Deadline (Extended) |
| June 30, 2023 | Abstract Notifications (Completed) |
| July 7, 2023 | Travel Award Notifications (Completed) |
| July 14, 2023 | Deadline to Accept/Decline Abstract Presentation |
| July 14, 2023 (23:59 PDT) | Early Registration Deadline |
| August 11, 2023 | Presenting Author Registration Deadline |
| August 11, 2023 | Deadline to Change Title or Presenting Author |
| August 11, 2023 (23:59 PDT) | Regular Registration & Accommodation Booking Deadline |
| September 17 – 21, 2023 | Congress |
