Also listed on Sii Semiconductor Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 25, 2026 · High confidence
20-year base term ended Apr 26, 2026
Held by Ablic Inc.
Filed Apr 26, 2006 as application 11/412,379 · Granted Oct 14, 2008
Base term plus 213 days of patent term adjustment (USPTO delay)
Today
2006
2026
Clock starts
Apr 26, 2006
Apr 26, 2006
Term ends
Nov 25, 2026
Nov 25, 2026
Granted
Oct 14, 2008
Oct 14, 2008
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
213
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.
This patent's term runs 213 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 Apr 26, 2006, when this application, 11/412,379, was filed | Apr 26, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +213 days, USPTO patent term adjustment record | Nov 25, 2026 | 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 | Nov 25, 2026 | High confidence |
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 |
|---|---|---|---|
| Sep 8, 2006 Reel 18263, frame 532 | Masuko, Hiroyuki; Utsunomiya, Fumiyasu | Seiko Instruments Inc. | Assignment of Assignor's Interest |
| Feb 11, 2016 Reel 37783, frame 166 | Seiko Instruments Inc. | Sii Semiconductor Corporation . | Assignment of Assignor's Interest |
| Feb 23, 2016 Reel 37903, frame 928 | Seiko Instruments Inc. | Sii Semiconductor Corporation | Corrective Assignment to Correct the Execution Date Previously Recorded at Reel: 037783 Frame: 0166. Assignor(S) Hereby Confirms the Assignment. |
| Mar 12, 2018 Reel 45567, frame 927 | Sii Semiconductor Corporation | Ablic Inc. | Change of Name |
| Jun 8, 2023 Reel 64021, frame 575 | Ablic Inc. | Ablic Inc. | Change of Address |
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
Nov 2026
Term ends Nov 25, 2026. No further fees fall due before then
Note
The 213 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 above the median of utility patents granted in 2008 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.