Reminder: EFS-Web and Private PAIR maintenance

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EFS-Web and Private PAIR maintenance

As a reminder, EFS-Web and Private PAIR will be unavailable on February 23 from 12:01 a.m. to 11:59 p.m. ET due to maintenance. Public PAIR will still be available.

During the maintenance period, applicants may file new applications, except for National Stage applications under 35 U.S.C. 371, via 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.

When systems are available, we will post a notification on the USPTO Systems Status and Availability page of the USPTO website.

If you have questions, please contact the Patent EBC at 1-866-217-9197 or ebc@uspto.gov.

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