What happens if a letter of abandonment is received after a patent application is allowed?

When a letter of abandonment is received after a patent application has been allowed, it is handled by the Publishing Division of the USPTO. As stated in MPEP 711.05:

Receipt of a letter of abandonment while an application is allowed is acknowledged by the Publishing Division.

This means that the Publishing Division will process the abandonment request and take appropriate actions to halt the publication process.

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Tags: allowed application, patent abandonment, USPTO