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US 8,601,392 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Dec 3, 2025 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed May 22, 2008 as application 12/125,908 · Granted Dec 3, 2013
Base term, 20 years from filing, plus 1353 days of patent term adjustment (USPTO delay)
Today
Lapsed Dec 3, 2025
2008 2032
Clock starts
May 22, 2008
No longer in force
Dec 3, 2025
Granted
Dec 3, 2013
Term would have run to
Feb 4, 2032
base term patent term adjustment after the term ends fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
1,353
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
39
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Feb 4, 2032: its 20-year base term plus 1353 days of term adjustment for prosecution delay. 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 May 22, 2008, when this application, 12/125,908, was filedMay 22, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1353 days, USPTO patent term adjustment recordFeb 4, 2032High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Dec 3, 2025High confidence
Computed term endThe steps above, in orderDec 3, 2025High confidence

This family

US 8,601,392this patent
Dec 2025
Dec 2025
Application 13/798,969Abandoned
not computed
not computed
Application 13/799,029Abandoned
not computed
not computed
US 10,430,495In force
Feb 2031
Feb 2031
US 10,719,658In force
May 2028
May 2028
Application 16/664,842Abandoned
not computed
not computed
Application 16/664,885Abandoned
not computed
not computed
Application 16/664,873Abandoned
not computed
not computed
8 of 39 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Apr 8, 2013
Reel 30168, frame 273
Audet, Mathieu9224-5489 Quebec Inc.Assignment of Assignor's Interest
May 4, 2019
Reel 49086, frame 791
Maya-Systems Inc.Maya-Systems Inc.Nunc Pro Tunc Assignment
Jun 19, 2019
Reel 51489, frame 698
Maya-Systems Inc.9224-5489 Quebec Inc.Nunc Pro Tunc Assignment
Jun 29, 2019
Reel 50133, frame 885
Maya-Systems Inc.9224-5489 Quebec Inc.Corrective Assignment to Correct the Receiving Party Data Previously Recorded at Reel: 049086 Frame: 0791. Assignor(S) Hereby Confirms the Nunc Pro Tunc Assignment.
Nov 4, 2019
Reel 50917, frame 626
Audet, Mathieu, MR9224-5489 Quebec Inc.Assignment of Assignor's Interest

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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