System status and availability

Effective July 24, 2026, Assignment Search will be enhanced to provide updated assignment information, helping users access the most current assignment data available. 

Assignment Center Patent Export Assignment Data Update:  Effective July 24, 2026, Patent Export Assignment Data Search will move to the Open Data Portal and will no longer be available in Assignment Center. Users who select the Patent Export Data link within Assignment Center will be redirected to the Open Data Portal patent assignment search page to perform bulk data searches. Using the Open Data Portal Patent File Wrapper (Bulk Datasets) page users can search on assignments using the API query available.

The USPTO will perform routine maintenance affecting multiple systems on the following dates:

• The first night from 12-5:30 a.m. ET on Saturday, July 18.
• The final night from 12-5:30 a.m. ET on Sunday, July 19.

During the maintenance period, user access to the following applications may be interrupted:

• MyUSPTO
• Fee Processing   
• Patent Center
• Patent Trial and Appeal Case Tracking System (PTACTS)
• Trademark Center
• Trademark Electronic Application System (TEAS)
• Trademark Electronic Application System International (TEASi)
• Trademark Search
• Trademark Trial and Appeal Board Center (TTAB Center)
• Electronic System for Trademark Trials and Appeals (ESTTA)
• Assignment Center
• Certified Copy Center (CCC)
• Office of Enrollment and Discipline - Customer Interface (OEDCI)
• API Key Manager 

Patent Customers: During the maintenance period, impacted applicants may refer to our Filing Documents during an Outage page for other alternative filing methods.

PTAB/P-TACTS Customers: If your deadline is today for the petition filing and/or other associated documents to a pending America Invents Act (AIA) case and you cannot file electronically via Patent Trial and Appeal Case Tracking System (P-TACTS), you may use an alternate filing method. Please visit the P-TACTS FAQ page:  https://www.uspto.gov/sites/default/files/documents/p-tacts_faqs_20221007.pdf and see A2 for information concerning your America Invents Act (AIA) petition filing and/or document filing using P-TACTS alternative filing methods

Trademark Customers: Please try filing again after the maintenance ends. If you have any questions, contact the TEAS Team by email at TEAS@uspto.gov .

TTAB Customers: Please visit the TTAB Outage Page:  https://www.uspto.gov/trademarks/ttab/filing-ttab-documents-during-outage   for information concerning Trademark Trial and Appeal Board (TTAB) alternative filing methods. If you have any questions, contact the TTAB Assistance Center during normal business hours by telephone at 571-272-8500 or email TTABInfo@uspto.gov.

The USPTO will perform routine maintenance from 12:01- 6 a.m. ET on Saturday, July 18.
The following manuals will be unavailable between 12:01 – 2:15 a.m. ET on Saturday, July 18
•    Manual of Patent Examining Procedure (eMPEP)
•    Trademark Manual of Examining Procedure (TMEP)
•    Trademark Federal Statutes and Rules (TFSR)
•    Trademark Trial and Appeal Board Manual of Procedure (TBMP)

The USPTO will perform maintenance affecting several systems from 12:01-9 a.m. ET, Saturday, July 18.  
The following systems and systems that interface with these systems will be unavailable during some or all of the maintenance period: 
•    Electronic System for Trademark Trials and Appeals (ESTTA)
•    Manual of Patent Examining Procedure (MPEP) and Trademark Manual of Examining Procedure (TMEP)
•    Patent Center
•    Patent Public Search (PPUBS)
•    Patent Trial and Appeal Tracking System (P-TACTS)
•    Patent Maintenance Fees Storefront
•    Financial Manager
•    Trademark Electronic Application System (TEAS) 
•    Trademark Electronic Application System International (TEASi)
•    Trademark Trial and Appeal Board Information System (TTABIS)
•    Trademark Trial and Appeal Board VUE (TTABVUE)
Payment processing for transactions originating from the following system may be momentarily interrupted during the initial minutes of this maintenance window:
•    Certified Copy Center (CCC)
•    Intellectual Property Assignment System (IPAS)

For Patent Customers: 
For more information about filing documents during an outage, please visit https://www.uspto.gov/patents-application-process/filing-online/filing-documents-during-outage.
If you have questions, please contact the EBC (Patent Electronic Business Center) at 1-866-217-9197, Monday through Friday from 6 a.m. - Midnight ET, or email ebc@uspto.gov. 

For P-TACTS Customers:
If your deadline is today for the petition filing and/or other associated documents to a pending AIA case and you cannot file electronically via the Patent Trial and Appeal Tracking System (P-TACTS), you may use an alternative filing method. Please visit the alternate filing method page at https://www.uspto.gov/patents/apply/filing-online/filing-documents-during-outage#PTAB%20E2E for information concerning your AIA petition filing and/or document filing using P-TACTS alternative filing methods. If you have any questions, contact P-TACTS during normal business hours of 8:30 a.m. to 5 p.m. ET by telephone at 571-272-9797 or email Trials@uspto.gov.

For Trademark Customers:
If your deadline is today and the document requiring a fee payment cannot be filed electronically, you must use an alternative method of filing. Please visit the Trademark Outage Page for information concerning Trademark alternative filing methods. If you have any questions, contact the TEAS Team by email TEAS@uspto.gov.

For TTAB Customers:
If your deadline is today and the document cannot be filed electronically, you must use an alternative method of filing. Please visit the TTAB Outage Page for information concerning Trademark Trial and Appeal Board (TTAB) alternative filing methods. If you have any questions, contact the TTAB Assistance Center during normal business hours by telephone at 571-272-8500 or email TTABInfo@uspto.gov.