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Quadrature Power Amplifier Architecture

US 8,538,355 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Sep 17, 2017 on the fee record · High confidence

First maintenance fee unpaid; grace period ended.

Filed Apr 20, 2011 as application 13/090,663 · Granted Sep 17, 2013
USPTO first gave this application the number US 8,503,953 and withdrew it before it issued. That number now leads here.
Base term, 20 years from filing, plus 90 days of patent term adjustment (USPTO delay)
Today
Lapsed Sep 17, 2017
2011 2031
Clock starts
Apr 20, 2011
No longer in force
Sep 17, 2017
Granted
Sep 17, 2013
Term would have run to
Jul 19, 2031
base term patent term adjustment after the term ends 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
90
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
40
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 Jul 19, 2031: its 20-year base term plus 90 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 Apr 20, 2011, when this application, 13/090,663, was filedApr 20, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+90 days, USPTO patent term adjustment recordJul 19, 2031High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidlapsed Sep 17, 2017High confidence
Computed term endThe steps above, in orderSep 17, 2017High confidence

This family

US 8,538,355this patent
Sep 2017
Sep 2017
US 9,804,874In force
Apr 2034
Apr 2034
US 8,983,409Lapsed on the fee record
Mar 2019
Mar 2019
US 8,515,361In force
Jun 2031
Jun 2031
US 9,214,865In force
Dec 2033
Dec 2033
Application PCT/US2011/050633PCT application
no patent term
no patent term
US 8,542,061In force
Jun 2031
Jun 2031
US 8,892,063In force
Sep 2031
Sep 2031
8 of 40 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
Jul 5, 2011
Reel 26540, frame 723
Stockert, Terry J.RF Micro Devices, Inc.Assignment of Assignor's Interest
Mar 19, 2013
Reel 30045, frame 831
RF Micro Devices, Inc.Bank of America, N.A., as Administrative AgentNotice of Grant of Security Interest in Patents
Mar 30, 2015
Reel 35334, frame 363
Bank of America, N.A., as Administrative AgentRF Micro Devices, Inc.Termination and Release of Security Interest in Patents (Recorded 3/19/13 at Reel/Frame 030045/0831)
Jun 16, 2016
Reel 39196, frame 941
RF Micro Devices, Inc.Qorvo US, Inc.Merger

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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