Status code731
Notice of Allowance — second SOU extension
Status 731 means the second six-month extension to file a Statement of Use was granted. File a Statement of Use or the next extension before the deadline expires.
Updated September 2, 2026 · Reviewed by CopyMark Law Group
- Official USPTO wording
- NOTICE OF ALLOWANCE — SOU EXTENSION 2 FILED
- Also recorded as
- 731
- Typical next step
- Prepare SOU filing or evaluate whether further extension is available and appropriate.
- Typical deadline
- Three more extensions may remain after the second, depending on your filing history.
What this means
Additional time was purchased; the application remains pending but not registered.
What usually happens next
Prepare SOU filing or evaluate whether further extension is available and appropriate.
Three more extensions may remain after the second, depending on your filing history.
Related codes
Related CopyMark guides
Frequently asked questions
What happens if my second extension expires?
If no Statement of Use or further extension is filed before the deadline, the application can abandon for failure to file a Statement of Use.
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