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Amplifier Stage, Operational Amplifier and Method for Amplifying a Signal

US 7,443,238 In force
OverviewAssignmentsSources & methods

Also listed on Intel Mobile Communications Technology GmbH, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Nov 16, 2026 · High confidence

Held by Apple Inc.
Filed Aug 9, 2006 as application 11/501,266 · Granted Oct 28, 2008
Base term plus 99 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2026
Clock starts
Aug 9, 2006
Term ends
Nov 16, 2026
Granted
Oct 28, 2008
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
99
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.

This patent's term runs 99 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 Aug 9, 2006, when this application, 11/501,266, was filedAug 9, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+99 days, USPTO patent term adjustment recordNov 16, 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 16, 2026High confidence

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
Oct 26, 2006
Reel 18466, frame 965
Laaser, PeterInfineon Technologies AGAssignment of Assignor's Interest
Jan 18, 2012
Reel 27548, frame 623
Infineon Technologies AGIntel Mobile Communications Technology GmbHAssignment of Assignor's Interest
Jan 19, 2012
Reel 27556, frame 709
Intel Mobile Communications Technology GmbHIntel Mobile Communications GmbHAssignment of Assignor's Interest
Nov 6, 2015
Reel 37057, frame 61
Intel Mobile Communications GmbHIntel Deutschland GmbHChange of Name
Aug 12, 2020
Reel 53477, frame 1
Intel Deutschland GmbHIntel CorporationConfirmatory Assignment Effective as of January 1, 2018
Aug 17, 2020
Reel 53518, frame 586
Intel CorporationApple Inc.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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