Term ends Aug 3, 2031 · High confidence
20-year base term ends Jun 8, 2031
Held by General Electric Technology GmbH
Filed Jan 9, 2015 as application 14/593,988 · Granted Jan 30, 2018
Base term plus 56 days of patent term adjustment (USPTO delay)
Today
2011
2031
Clock starts
Jun 8, 2011
Jun 8, 2011
Term ends
Aug 3, 2031
Aug 3, 2031
Granted
Jan 30, 2018
Jan 30, 2018
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
56
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.
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 runs 56 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 8, 2011, when application 13/155,615, the earliest non-provisional in its chain, was filed (this one was filed Jan 9, 2015) | Jun 8, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +56 days, USPTO patent term adjustment record | Aug 3, 2031 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Aug 3, 2031 | High confidence |
This family
| US 8,965,590 | In force Jul 2033 | Jul 2033 |
| US 9,881,033 | this patent Aug 2031 | Aug 2031 |
| US 10,198,458 | In force Jun 2031 | Jun 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 |
|---|---|---|---|
| Jan 9, 2015 Reel 34677, frame 342 | Boardman, Ethan Clair; Venkata, Subrahmanyam Saraswati | Alstom Grid, Inc. | Assignment of Assignor's Interest |
| Mar 6, 2015 Reel 35109, frame 244 | Alstom Grid, Inc. | Alstom Technology Ltd. | Assignment of Assignor's Interest |
| Dec 15, 2017 Reel 44884, frame 208 | Alstom Technology Ltd. | General Electric Technology GmbH | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Aug 2031
Term ends Aug 3, 2031. Maintenance fees still fall due before then
Note
The 56 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 top 25% of utility patents granted in 2018 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.