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EFS-Web, Private PAIR, and Public PAIR will be unavailable due to maintenance beginning Friday, May 24 at 11:59 p.m. ET, and ending Monday, May 27 at 5 p.m. ET.
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.
For more information about the systems affected by the maintenance outages, please visit USPTO Systems Status and Availability.
If you have questions, please contact the Patent EBC at 1-866-217-9197 or ebc@uspto.gov.
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