Term ends Feb 1, 2027 · High confidence
20-year base term ended Jun 14, 2025
Held by Safran Aircraft Engines
Filed Jun 14, 2005 as application 11/151,452 · Granted Sep 8, 2009
Base term plus 597 days of patent term adjustment (USPTO delay)
Today
2005
2027
Clock starts
Jun 14, 2005
Jun 14, 2005
Term ends
Feb 1, 2027
Feb 1, 2027
Granted
Sep 8, 2009
Sep 8, 2009
base term
patent term adjustment
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
597
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.
22
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 597 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jun 14, 2005, when this application, 11/151,452, was filed | Jun 14, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +597 days, USPTO patent term adjustment record | Feb 1, 2027 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Feb 1, 2027 | High confidence |
This family
| US 7,013,650 | Term ended Jul 2024 | Jul 2024 |
| US 7,310,939 | Term ended Feb 2026 | Feb 2026 |
| US 7,404,860 | Term ended no later than Dec 2023 | no later than Dec 2023 |
| US 7,323,061 | Term ended no later than Sep 2023 | no later than Sep 2023 |
| US 7,332,036 | Term ended no later than Sep 2023 | no later than Sep 2023 |
| US 7,323,062 | Term ended no later than Jul 2023 | no later than Jul 2023 |
| US 7,311,981 | Term ended May 2025 | May 2025 |
| US 7,584,615 | Term ended Sep 2026 | Sep 2026 |
8 of 22 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 |
|---|---|---|---|
| Jun 14, 2005 Reel 16691, frame 621 | Amiot, Denis; Duny, Frederick; Friedel, Jerome; Kaincz, Christian; Roussin-moynier, Delphine | SNECMA Moteues | Assignment of Assignor's Interest |
| May 22, 2007 Reel 19329, frame 617 | SNECMA Moteurs | SNECMA | Change of Name |
| May 23, 2018 Reel 46479, frame 807 | SNECMA | Safran Aircraft Engines | Change of Name |
| Aug 24, 2018 Reel 46939, frame 336 | SNECMA | Safran Aircraft Engines | Corrective Assignment to Correct the Cover Sheet to Remove Application Nos. 10250419, 10786507, 10786409, 12416418, 12531115, 12996294, 12094637 12416422 Previously Recorded on Reel 046479 Frame 0807. Assignor(S) Hereby Confirms the Change of Name. |
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
Feb 2027
Term ends Feb 1, 2027. No further fees fall due before then
Note
The 597 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
23
later US patents cite this one
That is above the median of utility patents granted in 2009 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.