Term ends Jul 21, 2028 · High confidence
20-year base term ends Apr 5, 2027
Filed Apr 5, 2007 as application 11/696,732 · Granted May 28, 2013
Base term plus 473 days of patent term adjustment (USPTO delay)
Today
2007
2028
Clock starts
Apr 5, 2007
Apr 5, 2007
Term ends
Jul 21, 2028
Jul 21, 2028
Granted
May 28, 2013
May 28, 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
473
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.
13
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 473 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 Apr 5, 2007, when this application, 11/696,732, was filed | Apr 5, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +473 days, USPTO patent term adjustment record | Jul 21, 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 | Jul 21, 2028 | High confidence |
This family
| US 7,902,066 | Lapsed on the fee record Mar 2023 | Mar 2023 |
| US 7,566,656 | In force Jan 2027 | Jan 2027 |
| US 7,855,143 | In force Dec 2028 | Dec 2028 |
| US 7,829,422 | Lapsed on the fee record Nov 2022 | Nov 2022 |
| Application 11/672,971 | Abandoned not computed | not computed |
| US 7,618,873 | Lapsed on the fee record Nov 2021 | Nov 2021 |
| US 8,450,832 | this patent Jul 2028 | Jul 2028 |
| US 7,595,237 | In force Apr 2027 | Apr 2027 |
8 of 13 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 |
|---|---|---|---|
| Apr 9, 2007 Reel 19128, frame 973 | Sarkar, Manju; Verma, Purakh Raj | Chartered Semiconductor Manufacturing, Ltd. | Assignment of Assignor's Interest |
| Apr 28, 2013 Reel 30302, frame 665 | Chartered Semiconductor Manufacturing Pte. Ltd. | GlobalFoundries Singapore Pte. Ltd. | Change of Name |
| Apr 28, 2013 Reel 30302, frame 667 | Chartered Semiconductor Manufacturing Ltd. | Chartered Semiconductor Manufacturing Pte. Ltd. | Change of Name |
| Nov 27, 2018 Reel 47660, frame 203 | GlobalFoundries Singapore Pte. Ltd. | Wilmington Trust, National Association | Security Agreement |
| Nov 19, 2020 Reel 54481, frame 673 | Wilmington Trust, National Association | GlobalFoundries Singapore Pte. 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
Jul 2028
Term ends Jul 21, 2028. No further fees fall due before then
Note
The 473 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median 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.