Counsels are authorized to send an email to Trials@uspto.gov and cc’ing opposing counsels to notify PTAB of your intent to file documents, but PTAB E2E is down. Please include the AIA Review number and details regarding the documents that will be filed. Counsel will be authorized to file their documents once PTAB E2E is operable and can request necessary changes to the date by sending an email to Trials@uspto.gov. For additional information, please see A2 at http://www.uspto.gov/patents-application-process/patent-trial-and-appeal-board/ptab-e2e-frequently-asked-questions.
If you have any questions, please contact the Patent Trial and Appeal Board at 571-272-7822 or 571-272-9797 during business hours 8:30 a.m. to 5 p.m. ET.