PTAB E2E will be unavailable on the following dates and times for scheduled maintenance:
  • Beginning at 12:01 a.m., Friday, August 23 and ending at 5:30 a.m., Friday, August 23 ET.
  • Beginning at 12:01 a.m., Sunday, August 25 and ending at 8 a.m., Sunday, August 25 ET.
If your deadline is during this time for the petition filing or other associated documents to a pending AIA case, you must use an alternative filing method.
Questions?  Contact PTAB 8:30 a.m. to 5 p.m. ET at 571-272-9797 weekdays or email  You can also visit the PTAB E2E frequently asked questions for more info.

News & Updates

United States moves up in international rankings for patent protection

WASHINGTON – Today, the U.S. Chamber of Commerce Global Innovation Policy Center (GIPC) ranked the United States in second place for Patents, Related Rights, and Limitations in its 2019 International IP Index, reflecting a significant improvement in patent protection policy. In addition, this year...