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US

Switched-Capacitor Amplifier Arrangement and Method

US 7,880,538 In force
OverviewFamilyAssignmentsSources & methods

Term ends Nov 27, 2026 · High confidence

Held by AMS-OSRAM AG
Filed Mar 2, 2009 as application 12/084,819 · Granted Feb 1, 2011
Base term plus 32 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2026
Clock starts
Oct 26, 2006
Term ends
Nov 27, 2026
Granted
Feb 1, 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
32
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 32 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Oct 26, 2006, when application PCT/EP2006/010347, the earliest non-provisional in its chain, was filed (this one was filed Mar 2, 2009)Oct 26, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+32 days, USPTO patent term adjustment recordNov 27, 2026High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderNov 27, 2026High confidence

This family

US 7,880,538this patent
Nov 2026
Nov 2026
1 of 2 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 2, 2009
Reel 22330, frame 55
Sharma, VivekAustriamicrosystems AGAssignment of Assignor's Interest
May 28, 2026
Reel 75781, frame 509
Austriamicrosystems AGAMS AGChange of Name
Aug 31, 2026
Reel 76497, frame 161
AMS AGAMS-OSRAM AGChange of Name

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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