Term ends May 20, 2031 · High confidence
20-year base term ends Dec 12, 2028
Filed Oct 2, 2009 as application 12/572,590 · Granted Aug 5, 2014
Base term plus 889 days of patent term adjustment (USPTO delay)
Today
2008
2031
Clock starts
Dec 12, 2008
Dec 12, 2008
Term ends
May 20, 2031
May 20, 2031
Granted
Aug 5, 2014
Aug 5, 2014
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
889
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.
11
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 889 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 Dec 12, 2008, when application 12/333,977, the earliest non-provisional in its chain, was filed (this one was filed Oct 2, 2009) | Dec 12, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +889 days, USPTO patent term adjustment record | May 20, 2031 | 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 | May 20, 2031 | High confidence |
This family
| US 7,642,128 | In force Dec 2028 | Dec 2028 |
| US 8,796,846 | this patent May 2031 | May 2031 |
| US 9,082,806 | In force Jan 2029 | Jan 2029 |
| US 8,592,992 | In force Feb 2032 | Feb 2032 |
| US 9,293,401 | In force Dec 2028 | Dec 2028 |
| US 9,064,936 | In force Dec 2028 | Dec 2028 |
| US 8,994,185 | In force Dec 2031 | Dec 2031 |
| US 9,401,331 | In force Dec 2028 | Dec 2028 |
8 of 11 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 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 352 | 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 |
| Sep 1, 2023 Reel 64803, frame 387 | Stats ChipPAC Ltd. | Stats ChipPAC Pte. Ltd. | Corrective Assignment to Correct the Correct the Spelling of Assignee's Name from "Stats Chippac Pte. LTE." to "Stats Chippac Pte. Ltd." Previously Recorded at Reel: 038378 Frame: 0208. Assignor(S) Hereby Confirms the 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
May 2031
Term ends May 20, 2031. No further fees fall due before then
Note
The 889 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
172
later US patents cite this one
That is top 5% of utility patents granted in 2014 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.