Also listed on Stats ChipPAC, Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 4, 2027 · High confidence
20-year base term ends May 4, 2027
Held by Stats ChipPAC Pte. Ltd.
Filed Sep 25, 2007 as application 11/861,233 · Granted Sep 8, 2009
Base term, 20 years from filing
Today
2007
2027
Clock starts
May 4, 2007
May 4, 2007
Term ends
May 4, 2027
May 4, 2027
Granted
Sep 8, 2009
Sep 8, 2009
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
17
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 is its 20-year base term, with no adjustment for 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 May 4, 2007, when application 11/744,657, the earliest non-provisional in its chain, was filed (this one was filed Sep 25, 2007) | May 4, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 4, 2027 | High confidence |
This family
| US 7,569,421 | In force Dec 2027 | Dec 2027 |
| US 8,445,325 | In force Dec 2027 | Dec 2027 |
| US 7,723,159 | In force May 2027 | May 2027 |
| US 7,750,452 | In force Jul 2027 | Jul 2027 |
| US 7,585,750 | this patent May 2027 | May 2027 |
| US 7,829,998 | In force Feb 2028 | Feb 2028 |
| US 7,902,638 | In force Feb 2029 | Feb 2029 |
| US 7,960,841 | In force Jun 2027 | Jun 2027 |
8 of 17 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 |
|---|---|---|---|
| Sep 25, 2007 Reel 19876, frame 394 | Do, Byung Tai; Kuan, Heap Hoe; Chua, Linda Pei Ee | 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 319 | 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 30, 2023 Reel 64760, frame 986 | Stats ChipPAC Pte. Lte. | Stats ChipPAC Pte. Ltd. | Correct Error in Assignment Name from Stats Chippac, Pte. LTE to Stats Chippac Pte. LTD (REEL: 038378 Frame: 0319) |
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
May 2027
Term ends May 4, 2027. No further fees fall due before then
Citations
77
later US patents cite this one
That is top 10% of utility patents granted in 2009 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.