Term ends Jan 8, 2030 · High confidence
20-year base term ends Nov 19, 2029
Held by Stats ChipPAC Pte. Lte.
Filed Nov 19, 2009 as application 12/621,738 · Granted Apr 17, 2012
Base term plus 50 days of patent term adjustment (USPTO delay)
Today
2009
2030
Clock starts
Nov 19, 2009
Nov 19, 2009
Term ends
Jan 8, 2030
Jan 8, 2030
Granted
Apr 17, 2012
Apr 17, 2012
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
50
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.
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 50 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 19, 2009, when this application, 12/621,738, was filed | Nov 19, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +50 days, USPTO patent term adjustment record | Jan 8, 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 | 3 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 | this patent Jan 2030 | Jan 2030 |
| US 8,791,006 | In force Feb 2029 | Feb 2029 |
| US 9,685,495 | In force 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 |
|---|---|---|---|
| Nov 19, 2009 Reel 23542, frame 819 | Lin, Yaojian | Stats ChipPAC, Ltd. | Assignment of Assignor's Interest |
| 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 280 | 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 |
| Aug 31, 2023 Reel 64789, frame 474 | Stats ChipPAC Ltd. | Stats ChipPAC Pte. Lte. | Correct Error in Assignment Name from Stats Chippac Pte. LTE. to Stats Chippac Pte. LTD. (REEL: 38378 Frame: 0280) |
| Sep 8, 2023 Reel 64842, frame 46 | Stats ChipPAC Ltd. | Stats ChipPAC Pte. Ltd. | Corrective Assignment to Correct the Receiving Party Name Previously Recorded at Reel: 064789 Frame: 0474 Assignor(S) Hereby Confirms the 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
Jan 2030
Term ends Jan 8, 2030. No further fees fall due before then
Note
The 50 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
14
later US patents cite this one
That is above the median of utility patents granted in 2012 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.