Also listed on Nexgen Power Systems, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Feb 15, 2032 · High confidence
20-year base term ends Nov 4, 2031
Filed Nov 4, 2011 as application 13/289,219 · Granted Aug 6, 2013
Base term plus 103 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
Nov 4, 2011
Nov 4, 2011
Term ends
Feb 15, 2032
Feb 15, 2032
Granted
Aug 6, 2013
Aug 6, 2013
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
103
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.
4
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 103 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 Nov 4, 2011, when this application, 13/289,219, was filed | Nov 4, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +103 days, USPTO patent term adjustment record | Feb 15, 2032 | 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 (reinstated) | High confidence |
| Computed term end | The steps above, in order | Feb 15, 2032 | High confidence |
This family
| US 8,502,234 | this patent Feb 2032 | Feb 2032 |
| Application PCT/US2012/062728 | PCT application no patent term | no patent term |
| US 8,941,117 | In force Nov 2031 | Nov 2031 |
| US 9,171,937 | In force Nov 2031 | Nov 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 |
|---|---|---|---|
| Nov 10, 2011 Reel 27207, frame 933 | Kizilyalli, Isik C.; Nie, Hui; Edwards, Andrew P.; Romano, Linda; Bour, David P.; Brown, Richard J.; Prunty, Thomas R. | Epowersoft, Inc. | Assignment of Assignor's Interest |
| Jul 17, 2012 Reel 28583, frame 134 | Epowersoft, Inc. | Avogy, Inc. | Change of Name |
| Apr 1, 2014 Reel 32611, frame 10 | Avogy, Inc. | Silicon Valley Bank | Security Interest |
| Feb 2, 2018 Reel 45229, frame 547 | Avogy, Inc. | Nexgen Power Systems, Inc. | Assignment of Assignor's Interest |
| Feb 13, 2018 Reel 45317, frame 963 | Silicon Valley Bank | Avogy, Inc. | Release of Security Interest |
| Dec 13, 2018 Reel 47827, frame 774 | Avogy (ABC), LLC | Nexgen Power Systems, Inc. | Corrective Assignment to Correct the Assignor from Avogy, Inc. to Avogy (ABC), LLC Previously Recorded on Reel 045229 Frame 0547. Assignor(S) Hereby Confirms the Assignment. |
| Dec 18, 2018 Reel 47951, frame 967 | Avogy, Inc. | Avogy (ABC), LLC | Assignment of Assignor's Interest |
| Oct 23, 2020 Reel 54244, frame 822 | Nexgen Power Systems, Inc. | South Lake One LLC | Security Interest |
| Jul 26, 2021 Reel 56973, frame 477 | South Lake One LLC | Nexgen Power Systems, Inc. | Release of Security Interest |
| Mar 11, 2024 Reel 66783, frame 161 | Nexgen Power Systems, Inc. | Semiconductor Components Industries, LLC | Assignment of Assignor's Interest |
| Apr 19, 2024 Reel 67172, frame 711 | Nexgen Power Systems, Inc. | Semiconductor Components Industries, LLC | Assignment of Assignor's Interest |
| Apr 24, 2024 Reel 67217, frame 886 | Nexgen (Assignment for the Benefit of Creditors), LLC | Semiconductor Components Industries, LLC | Corrective Assignment to Correct the the Assignor Name Previously Recorded at Reel: 66783 Frame: 161. Assignor(S) Hereby Confirms the Assignment. |
| Apr 24, 2024 Reel 67852, frame 662 | Nexgen Power Systems, Inc. | Nexgen (Assignment for the Benefit of Creditors), LLC | Nunc Pro Tunc Assignment |
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.
What's changing
Feb 2032
Term ends Feb 15, 2032. No further fees fall due before then
Note
The 103 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
32
later US patents cite this one
That is top 25% of utility patents granted in 2013 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.