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Low Dropout Regulator with Stability Compensation

US 7,589,507 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Sep 15, 2021 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Dec 12, 2006 as application 11/609,676 · Granted Sep 15, 2009
Base term, 20 years from filing, plus 283 days of patent term adjustment (USPTO delay)
Today
Lapsed Sep 15, 2021
2006 2027
Clock starts
Dec 12, 2006
No longer in force
Sep 15, 2021
Granted
Sep 15, 2009
Term would have run to
Sep 21, 2027
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
283
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
18
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 21, 2027: its 20-year base term plus 283 days of term adjustment for prosecution delay. 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Dec 12, 2006, when this application, 11/609,676, was filedDec 12, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+283 days, USPTO patent term adjustment recordSep 21, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Sep 15, 2021High confidence
Computed term endThe steps above, in orderSep 15, 2021High confidence

This family

US 7,742,519Lapsed on the fee record
Jun 2022
Jun 2022
US 7,385,862Term ended
Aug 2026
Aug 2026
US 8,249,161Lapsed on the fee record
Aug 2024
Aug 2024
US 7,954,017In force
Mar 2029
Mar 2029
US 7,589,507this patent
Sep 2021
Sep 2021
US 8,605,098Lapsed on the fee record
Dec 2021
Dec 2021
US 8,296,497In force
Jan 2028
Jan 2028
US 8,108,744In force
Dec 2027
Dec 2027
8 of 18 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.
RecordedAssignorAssigneeConveyance
Mar 26, 2007
Reel 19065, frame 441
Mandal, Sajal KumarStmicroelectronics PVT. Ltd.Assignment of Assignor's Interest
Aug 27, 2014
Reel 33624, frame 1
Stmicroelectronics N.V.; Stmicroelectronics PVT. Ltd.ST Wireless S.A.Assignment of Assignor's Interest
Sep 2, 2014
Reel 33673, frame 367
ST Wireless S.A.ST-Ericsson S.A.Change of Name
Feb 2, 2016
Reel 37739, frame 493
ST-Ericsson S.A.ST-Ericsson S.A., En LiquidationStatus Change-Entity in Liquidation

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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