Lapsed Dec 3, 2025 on the fee record · High confidence
20-year base term ends May 22, 2028
Third maintenance fee unpaid; grace period ended.
Held by 9224-5489 Quebec Inc.
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
May 22, 2008
No longer in force
Dec 3, 2025
Dec 3, 2025
Granted
Dec 3, 2013
Dec 3, 2013
Term would have run to
Feb 4, 2032
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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts May 22, 2008, when this application, 12/125,908, was filed | May 22, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1353 days, USPTO patent term adjustment record | Feb 4, 2032 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Dec 3, 2025 | High confidence |
| Computed term end | The steps above, in order | Dec 3, 2025 | High confidence |
This family
| US 8,601,392 | this patent Dec 2025 | Dec 2025 |
| Application 13/798,969 | Abandoned not computed | not computed |
| Application 13/799,029 | Abandoned not computed | not computed |
| US 10,430,495 | In force Feb 2031 | Feb 2031 |
| US 10,719,658 | In force May 2028 | May 2028 |
| Application 16/664,842 | Abandoned not computed | not computed |
| Application 16/664,885 | Abandoned not computed | not computed |
| Application 16/664,873 | Abandoned 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.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Apr 8, 2013 Reel 30168, frame 273 | Audet, Mathieu | 9224-5489 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, MR | 9224-5489 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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Alerts on its grants, lapses and transfers.
What's changing
Note
The 1353 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
78
later US patents cite this one
That is top 10% of utility patents granted in 2013 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.