Term ended Apr 9, 2026 · High confidence
20-year base term ended Dec 21, 2025
Held by Hanon Systems Efp Canada Ltd.
Filed Sep 10, 2010 as application 12/879,406 · Granted Nov 27, 2012
Base term plus 109 days of patent term adjustment (USPTO delay)
Today
Term ended Apr 9, 2026
2005
2026
Clock starts
Dec 21, 2005
Dec 21, 2005
Term ended
Apr 9, 2026
Apr 9, 2026
Granted
Nov 27, 2012
Nov 27, 2012
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
109
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
6
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 109 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Dec 21, 2005, when application PCT/CA2005/001946, the earliest non-provisional in its chain, was filed (this one was filed Sep 10, 2010) | Dec 21, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +109 days, USPTO patent term adjustment record | Apr 9, 2026 | 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 | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Apr 9, 2026 | High confidence |
This family
| US 7,794,217 | In force Jul 2027 | Jul 2027 |
| US 8,317,486 | this patent Apr 2026 | Apr 2026 |
| US 8,651,825 | Term ended Dec 2025 | Dec 2025 |
| US 9,181,803 | Term ended Dec 2025 | Dec 2025 |
| US 9,534,597 | Term ended Dec 2025 | Dec 2025 |
5 of 6 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 |
|---|---|---|---|
| Mar 19, 2019 Reel 48641, frame 335 | Magna Powertrain Inc. | Magna Powertrain FPC Limited Partnership | Assignment of Assignor's Interest |
| Apr 13, 2021 Reel 55902, frame 901 | Magna Powertrain FPC Limited Partnership | Hanon Systems Efp Canada Ltd. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
The 109 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
21
later US patents cite this one
That is above the median of utility patents granted in 2012 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.