USPTO Systems Maintenance: April 7

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USPTO System Maintenance on April 7

EFS-Web for Registered eFilers, Private PAIR, and Public PAIR will be unavailable on Saturday, April 7, from 12:01 a.m. to 11:59 p.m. ET, due to system maintenance.

During the maintenance period, applicants may file new applications, except for National Stage applications under 35 U.S.C. 371, via EFS-Web for Unregistered eFilers or EFS-Web Contingency.

If you need to file a National Stage application under 35 U.S.C. 371 or a follow-on submission to an existing application during the maintenance period, please use an alternative filing method.

For additional information about other systems impacted by this maintenance, please visit USPTO Systems Status and Availability.

If you have questions, please contact the Patent Electronic Business Center at (866) 217-9197 during their operating hours of 6 a.m. to midnight ET, Monday - Friday, or email ebc@uspto.gov.

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