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System and Method for Dynamic Impedance Tuning to Minimize Return Loss

US 7,376,407 In force
OverviewFamilyAssignmentsSources & methods

Term ends Nov 23, 2026 · High confidence

Filed Apr 28, 2005 as application 11/116,987 · Granted May 20, 2008
Base term plus 574 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2005 2026
Clock starts
Apr 28, 2005
Term ends
Nov 23, 2026
Granted
May 20, 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
574
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 574 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 Apr 28, 2005, when this application, 11/116,987, was filedApr 28, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+574 days, USPTO patent term adjustment recordNov 23, 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 23, 2026High confidence

This family

US 7,376,407this patent
Nov 2026
Nov 2026
US 7,792,512Term ended
Nov 2025
Nov 2025
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
Apr 28, 2005
Reel 16521, frame 538
Womac, Michael D.Microtune (Texas), L.P.Assignment of Assignor's Interest
Feb 10, 2011
Reel 25782, frame 47
Microtune, Inc.Zoran CorporationMerger
Feb 10, 2011
Reel 25782, frame 57
Microtune (LP), L.L.C.Microtune, Inc.Merger
Feb 10, 2011
Reel 25782, frame 65
Microtune (Texas), L.P.Microtune (LP), L.L.C.Merger
Jan 18, 2012
Reel 27550, frame 695
Zoran CorporationCSR Technology Inc.Assignment of Assignor's Interest
Sep 21, 2015
Reel 36642, frame 395
Zoran CorporationCSR Technology Inc.Assignment of Assignor's Interest
Oct 14, 2024
Reel 69221, frame 1
CSR Technology Inc.Qualcomm IncorporatedAssignment 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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