Also listed on ChipPAC, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Oct 9, 2028 · High confidence
20-year base term ended Nov 15, 2025
Held by Stats ChipPAC, Inc.
Filed Nov 15, 2005 as application 11/280,971 · Granted Nov 29, 2011
Base term plus 1059 days of patent term adjustment (USPTO delay)
Today
2005
2028
Clock starts
Nov 15, 2005
Nov 15, 2005
Term ends
Oct 9, 2028
Oct 9, 2028
Granted
Nov 29, 2011
Nov 29, 2011
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
1,059
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.
2
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 1059 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 15, 2005, when this application, 11/280,971, was filed | Nov 15, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1059 days, USPTO patent term adjustment record | Oct 9, 2028 | 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 | Oct 9, 2028 | High confidence |
This family
| US 8,067,823 | this patent Oct 2028 | Oct 2028 |
| US 7,691,681 | Term ended Nov 2025 | Nov 2025 |
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 |
|---|---|---|---|
| Jan 10, 2006 Reel 16995, frame 879 | Lee, Cheonhee | ChipPAC, Inc. | 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 |
| Aug 6, 2015 Reel 36286, frame 612 | ChipPAC, Inc.; Stats ChipPAC, Inc. | Stats ChipPAC, Inc. | Merger and Change of Name |
| Jun 4, 2020 Reel 52844, frame 491 | Citicorp International Limited, as Common Security Agent | Stats ChipPAC, Inc.; Stats ChipPAC Pte. Ltd. Formerly Known as Stats ChipPAC Ltd. | Release of Security Interest |
| Jun 4, 2020 reel/frame not recorded | Citicorp International Limited, as Common Security Agent | Stats ChipPAC, Inc. | Release of Security Interest |
| Jun 4, 2020 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 |
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
Oct 2028
Term ends Oct 9, 2028. No further fees fall due before then
Note
The 1059 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
39
later US patents cite this one
That is top 25% of utility patents granted in 2011 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.