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Phase-Accurate Multi-Phase Wide-Band Radio Frequency Local Oscillator Generator

US 7,224,235 Term ended
OverviewAssignmentsSources & methods
Collateral for a security interest recorded May 12, 2017 (JPMorgan Chase Bank, N.A.).

Term ended Nov 3, 2025 · High confidence

Filed Sep 6, 2005 as application 11/219,980 · Granted May 29, 2007
Base term plus 58 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Nov 3, 2025
2005 2026
Clock starts
Sep 6, 2005
Term ended
Nov 3, 2025
Granted
May 29, 2007
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
58
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 58 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Sep 6, 2005, when this application, 11/219,980, was filedSep 6, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+58 days, USPTO patent term adjustment recordNov 3, 2025High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderNov 3, 2025High 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
Dec 14, 2005
Reel 17352, frame 71
De Ranter, Carl; Shah, PeterRF Magic, Inc.Assignment of Assignor's Interest
Apr 8, 2014
Reel 32629, frame 792
RF Magic, Inc.Entropic Communications Inc.Assignment of Assignor's Interest
May 18, 2015
Reel 35706, frame 267
Excalibur Acquisition Corporation; Entropic Communications, Inc.; Entropic Communications, Inc.Entropic Communications, Inc.Merger and Change of Name
May 19, 2015
Reel 35717, frame 628
Entropic Communications, Inc.; Excalibur Subsidiary, LLC; Entropic Communications, LLCEntropic Communications, LLCMerger and Change of Name
May 12, 2017
Reel 42453, frame 1
MaxLinear, Inc.; Entropic Communications, LLC (F/K/A Entropic Communications, Inc.); Exar CorporationJPMorgan Chase Bank, N.A., as Collateral AgentSecurity Agreement
Jul 1, 2020
Reel 53115, frame 842
Jpmorgan Chase Bank, N.a.Mufg Union Bank, N.a.Succession of Agency (REEL 042453 / Frame 0001)
Jun 23, 2021
Reel 56656, frame 204
Mufg Union Bank, N.a.MaxLinear, Inc.; Exar Corporation; MaxLinear Communications LLCRelease of Security Interest
Jun 23, 2021
reel/frame not recorded
Mufg Union Bank, N.a.MaxLinear, Inc.Release of Security Interest
Jun 23, 2021
reel/frame not recorded
Mufg Union Bank, N.a.Exar CorporationRelease of Security Interest
Jun 23, 2021
reel/frame not recorded
Mufg Union Bank, N.a.MaxLinear Communications LLCRelease of Security Interest
Jul 9, 2021
Reel 56816, frame 89
MaxLinear, Inc.; MaxLinear Communications, LLC; Exar CorporationWells Fargo Bank, National AssociationSecurity Agreement

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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