The Patent Trial and Appeal Board End to End System (PTAB E2E) is currently unavailable for system maintenance.
If you have any questions, please contact PTAB at 571-272-7822 during normal business hours from 8:30 a.m. to 5:00 p.m. EST or email Trials@uspto.gov.
If you have any issues with the PTAB E2E system, please email PTABE2EADMIN@uspto.gov.