Lapsed Mar 9, 2022 on the fee record · High confidence
20-year base term ended Dec 7, 2025
Third maintenance fee unpaid; grace period ended.
Filed Dec 7, 2005 as application 11/297,532 · Granted Mar 9, 2010
Base term, 20 years from filing, plus 1065 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Mar 9, 2022
2005
2026
Clock starts
Dec 7, 2005
Dec 7, 2005
No longer in force
Mar 9, 2022
Mar 9, 2022
Granted
Mar 9, 2010
Mar 9, 2010
Term would have run to
Sep 1, 2026
Sep 1, 2026
base term
patent term adjustment
after the term ends
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
1,065
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 7,384,714.
2 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.
Its term would have run to Sep 1, 2026: its 20-year base term plus 1065 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 7, 2005, when this application, 11/297,532, was filed | Dec 7, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1065 days, USPTO patent term adjustment record | Nov 6, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,384,714) | capped to Sep 1, 2026 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Mar 9, 2022 | High confidence |
| Computed term end | The steps above, in order | Mar 9, 2022 | High confidence |
This family
| US 7,674,562 | this patent Mar 2022 | Mar 2022 |
| US 7,678,586 | Lapsed on the fee record Mar 2022 | Mar 2022 |
| US 7,888,214 | Lapsed on the fee record Feb 2019 | Feb 2019 |
| Application 11/304,412 | Abandoned not computed | not computed |
| US 7,524,755 | Lapsed on the fee record Apr 2021 | Apr 2021 |
| US 7,376,920 | Lapsed on the fee record May 2020 | May 2020 |
| US 7,585,746 | In force May 2027 | May 2027 |
| US 7,727,856 | Lapsed on the fee record Jun 2022 | Jun 2022 |
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 |
|---|---|---|---|
| Dec 7, 2005 Reel 17348, frame 31 | Chua, Gek Soon; Tan, Sia Kim; Lin, Qunying; Tay, Cho Jui; Quan, Chenggen | Chartered Semiconductor Manufacturing Ltd. | Assignment of Assignor's Interest |
| Jul 21, 2006 Reel 17971, frame 469 | Pent Technologies, Inc.; Dekko Technologies, LLC | Dymas Funding Company, LLC, as Agent | Security Agreement |
| Jan 9, 2008 Reel 20325, frame 952 | Dekko Technologies, LLC | Pent Technologies, Inc. | Assignment of Assignor's Interest |
| Jul 28, 2010 Reel 24741, frame 706 | Chartered Semiconductor Manufacturing Ltd. | Chartered Semiconductor Manufacturing Pte. Ltd. | Change of Name |
| Jul 28, 2010 Reel 24741, frame 712 | Chartered Semiconductor Manufacturing Pte. Ltd. | GlobalFoundries Singapore Pte. Ltd. | Change of Name |
| Oct 17, 2011 Reel 27074, frame 720 | Dymas Funding Company LLC | Pent Technologies, Inc.; Dekko Technologies, LLC | Corrective Release to Void in Part the Patent Security Agreement Recorded at Reel 17971 Frame 469 |
| Oct 17, 2011 reel/frame not recorded | Dymas Funding Company LLC | Pent Technologies, Inc. | Corrective Release to Void in Part the Patent Security Agreement Recorded at Reel 17971 Frame 469 |
| Oct 17, 2011 reel/frame not recorded | Dymas Funding Company LLC | Dekko Technologies, LLC | Corrective Release to Void in Part the Patent Security Agreement Recorded at Reel 17971 Frame 469 |
| Nov 17, 2020 Reel 54452, frame 316 | GlobalFoundries Singapore Pte. Ltd. | Taiwan Semiconductor Manufacturing Co., Ltd. | Assignment of Assignor's 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 1065 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 7,384,714.
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2010 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.