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US 12,519,639 In force
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Term ends Mar 11, 2044 · High confidence

Filed Nov 1, 2023 as application 18/499,318 · Granted Jan 6, 2026
Base term plus 131 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2023 2044
Clock starts
Nov 1, 2023
Term ends
Mar 11, 2044
Granted
Jan 6, 2026
base term patent term adjustment Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
131
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.

This patent's term runs 131 days past its 20-year base term on prosecution delay. 0 of 3 maintenance fees are paid so far. Confidence: High. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Nov 1, 2023, when this application, 18/499,318, was filedNov 1, 2043High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+131 days, USPTO patent term adjustment recordMar 11, 2044High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 11, 2044High confidence

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

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