Lapsed Jun 14, 2024 on the fee record · High confidence
20-year base term ends Jun 13, 2028
Second maintenance fee unpaid; grace period ended.
Held by Alstom Technology Ltd.
Filed Aug 21, 2012 as application 13/590,321 · Granted Jun 14, 2016
Base term, 20 years from filing, plus 743 days of patent term adjustment (USPTO delay)
Today
Lapsed Jun 14, 2024
2008
2030
Clock starts
Jun 13, 2008
Jun 13, 2008
No longer in force
Jun 14, 2024
Jun 14, 2024
Granted
Jun 14, 2016
Jun 14, 2016
Term would have run to
Jun 26, 2030
Jun 26, 2030
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
743
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
12
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 Jun 26, 2030: its 20-year base term plus 743 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 Jun 13, 2008, when application 12/139,194, the earliest non-provisional in its chain, was filed (this one was filed Aug 21, 2012) | Jun 13, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +743 days, USPTO patent term adjustment record | Jun 26, 2030 | 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 | 1 of 3 maintenance fees paid | lapsed Jun 14, 2024 | High confidence |
| Computed term end | The steps above, in order | Jun 14, 2024 | High confidence |
This family
| US 8,321,804 | Lapsed on the fee record Nov 2024 | Nov 2024 |
| Application 12/139,159 | Abandoned not computed | not computed |
| US 8,321,800 | In force Sep 2031 | Sep 2031 |
| US 8,112,253 | In force Jun 2028 | Jun 2028 |
| US 9,367,935 | In force Apr 2031 | Apr 2031 |
| US 8,078,332 | In force no later than Dec 2028 | no later than Dec 2028 |
| US 9,367,936 | this patent Jun 2024 | Jun 2024 |
| US 9,311,728 | In force Jul 2030 | Jul 2030 |
8 of 12 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 |
|---|---|---|---|
| Aug 21, 2012 Reel 28818, frame 296 | Castelli, Gennaro; Hackett, Michael; Howard, Michael Quinn; Jones, Lawrence Edmund; Shung, Huichu Su; Brand, Heath Daniel | Areva T & D, Inc. | Assignment of Assignor's Interest |
| Jul 10, 2013 Reel 30783, frame 488 | Areva T&D Inc. | Alstom Grid Inc. | Change of Name |
| Mar 6, 2015 Reel 35109, frame 236 | Alstom Grid Inc. | Alstom Technology 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 743 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
3
later US patents cite this one
That is below the median of utility patents granted in 2016 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.