Term ends Apr 9, 2028 · High confidence
20-year base term ended Oct 27, 2026
Filed Dec 3, 2007 as application 11/949,255 · Granted Apr 2, 2013
Base term plus 586 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2006
2028
Clock starts
Oct 27, 2006
Oct 27, 2006
Term ends
Apr 9, 2028
Apr 9, 2028
Granted
Apr 2, 2013
Apr 2, 2013
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
586
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 7,790,503.
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 586 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Oct 27, 2006, when application 11/553,949, the earliest non-provisional in its chain, was filed (this one was filed Dec 3, 2007) | Oct 27, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +586 days, USPTO patent term adjustment record | Jun 4, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,790,503) | capped to Apr 9, 2028 | 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 | Apr 9, 2028 | High confidence |
This family
| US 8,669,637 | Term ended Oct 2026 | Oct 2026 |
| US 8,409,970 | this patent 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 | 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 |
|---|---|---|---|
| Dec 3, 2007 Reel 20187, frame 675 | Lin, Yaojian; Cao, Haijing; Zhang, Qing; Chen, Kang; Fang, Jianmin | 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 244 | 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 65239, frame 786 | Stats ChipPAC Ltd. | Stats ChipPAC Pte. Ltd. | Corrective Assignment to Correct the Assignee's Name on the Cover Sheet from Stats Chippac Pte. LTE. to Stats Chippac Pte. LTD. Previously Recorded on Reel 038378 Frame 0244. 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.
What's changing
Apr 2028
Term ends Apr 9, 2028. No further fees fall due before then
Note
The 586 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 7,790,503.
Citations
24
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.