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FAQ Category: MPEP 511 – Postal Service Interruptions and Emergencies
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What happens if there’s a postal interruption or emergency affecting USPTO correspondence?
This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This…
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What are the limitations of using 35 U.S.C. 21(a) for filing date petitions?
This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This…
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How can I petition for my correspondence to be considered filed on a particular date due to a postal emergency?
This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This…
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Can the USPTO extend deadlines during a postal service emergency?
This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This…
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