Term ends Jan 8, 2030 · High confidence
20-year base term ends Nov 19, 2029
Filed Mar 18, 2012 as application 13/423,265 · Granted Jun 20, 2017
Base term plus 997 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2009
2030
Clock starts
Nov 19, 2009
Nov 19, 2009
Term ends
Jan 8, 2030
Jan 8, 2030
Granted
Jun 20, 2017
Jun 20, 2017
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
997
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,158,510.
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.
7
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 997 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Nov 19, 2009, when application 12/621,738, the earliest non-provisional in its chain, was filed (this one was filed Mar 18, 2012) | Nov 19, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +997 days, USPTO patent term adjustment record | Aug 12, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,158,510) | capped to Jan 8, 2030 | 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 | Jan 8, 2030 | High confidence |
This family
| US 8,669,637 | Term ended Oct 2026 | Oct 2026 |
| US 8,409,970 | In force Apr 2028 | Apr 2028 |
| US 8,158,510 | In force Jan 2030 | Jan 2030 |
| US 8,791,006 | In force Feb 2029 | Feb 2029 |
| US 9,685,495 | this patent Jan 2030 | Jan 2030 |
| US 9,449,925 | In force Dec 2026 | Dec 2026 |
| US 9,548,347 | Term ended Oct 2026 | Oct 2026 |
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 6, 2015 Reel 36288, frame 748 | Stats ChipPAC, Inc.; Stats ChipPAC Ltd. | Citicorp International Limited, as Common Security Agent | Security Interest |
| Apr 7, 2016 Reel 38378, frame 427 | Stats ChipPAC Ltd. | Stats ChipPAC Pte. Lte. | Change of Name |
| Dec 13, 2019 Reel 51285, frame 318 | Citicorp International Limited, as Common Security Agent | Stats ChipPAC, Inc.; Stats ChipPAC Pte. Ltd. Formerly Known as Stats ChipPAC Ltd. | Release of Security Interest |
| Dec 13, 2019 reel/frame not recorded | Citicorp International Limited, as Common Security Agent | Stats ChipPAC, Inc. | Release of Security Interest |
| Dec 13, 2019 reel/frame not recorded | Citicorp International Limited, as Common Security Agent | Stats ChipPAC Pte. Ltd. Formerly Known as Stats ChipPAC Ltd. | Release of Security Interest |
| Dec 18, 2019 Reel 51365, frame 680 | Stats ChipPAC Pte. Ltd. | Jcet Semiconductor (Shaoxing) Co., 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.
What's changing
Jan 2030
Term ends Jan 8, 2030. Maintenance fees still fall due before then
Note
The 997 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,158,510.
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2017 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.