Term ends Oct 20, 2029 · High confidence
20-year base term ends Oct 20, 2029
Held by GE Grid Solutions LLC
Filed Oct 20, 2009 as application 12/582,053 · Granted Mar 15, 2011
Base term, 20 years from filing
Today
2009
2029
Clock starts
Oct 20, 2009
Oct 20, 2009
Term ends
Oct 20, 2029
Oct 20, 2029
Granted
Mar 15, 2011
Mar 15, 2011
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
3
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 is its 20-year base term, with no adjustment for 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 Oct 20, 2009, when this application, 12/582,053, was filed | Oct 20, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | Oct 20, 2029 | High confidence |
This family
| US 7,908,036 | this patent Oct 2029 | Oct 2029 |
| US 8,744,635 | In force Jan 2031 | Jan 2031 |
| US 8,185,249 | In force Jan 2031 | Jan 2031 |
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 |
|---|---|---|---|
| Oct 20, 2009 Reel 23394, frame 953 | Kirchner, Andreas; Ubben, Enno | GE Wind Energy GmbH | Assignment of Assignor's Interest |
| Aug 17, 2010 Reel 24846, frame 563 | GE Winde Energy GmbH | General Electric Company | Assignment of Assignor's Interest |
| Dec 2, 2010 Reel 25522, frame 120 | GE Wind Energy GmbH | General Electric Company | Corrective Assignment to Correct the Assignor's Name to Ge Wind Energy GMBH Previously Recorded on Reel 024846 Frame 0563. Assignor(S) Hereby Confirms the Assignment. |
| Dec 14, 2023 Reel 66000, frame 694 | General Electric Company | GE Grid Solutions LLC | 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
Oct 2029
Term ends Oct 20, 2029. No further fees fall due before then
Citations
44
later US patents cite this one
That is top 25% of utility patents granted in 2011 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.