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US

Low-Loss Tunable Radio Frequency Filter

US 8,797,120 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Aug 5, 2026 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Oct 26, 2011 as application 13/282,289 · Granted Aug 5, 2014
Base term, 20 years from filing, plus 234 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 5, 2026
2006 2027
Clock starts
Nov 17, 2006
No longer in force
Aug 5, 2026
Granted
Aug 5, 2014
Term would have run to
Jul 9, 2027
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
234
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
13
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 9, 2027: its 20-year base term plus 234 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 Nov 17, 2006, when application 11/561,333, the earliest non-provisional in its chain, was filed (this one was filed Oct 26, 2011)Nov 17, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+234 days, USPTO patent term adjustment recordJul 9, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Aug 5, 2026High confidence
Computed term endThe steps above, in orderAug 5, 2026High confidence

This family

US 7,719,382In force
Mar 2027
Mar 2027
US 7,639,101In force
Nov 2026
Nov 2026
US 7,863,999In force
Nov 2026
Nov 2026
US 8,063,714In force
Nov 2026
Nov 2026
US 8,797,120this patent
Aug 2026
Aug 2026
US 8,922,294In force
Nov 2026
Nov 2026
US 9,135,388Lapsed on the fee record
Sep 2023
Sep 2023
Application PCT/US2014/072391PCT application
no patent term
no patent term
8 of 13 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
Nov 27, 2012
Reel 29358, frame 271
Superconductor Technologies, Inc.Resonant LLCAssignment of Assignor's Interest
Jun 19, 2013
Reel 30657, frame 765
Resonant LLC, a California Limited Liability CompanyDaniel Landry, As Collateral AgentSecurity Agreement
Jul 12, 2013
Reel 30792, frame 884
Resonant LLCSuperconductor Technologies Inc.Security Agreement
Jul 16, 2014
Reel 33347, frame 205
Superconductor Technologies, Inc.Resonant LLCRelease of Security Interest
Jul 17, 2014
Reel 33348, frame 683
Landry, DanielResonant LLCRelease of Security Interest
Dec 18, 2014
Reel 34547, frame 616
Resonant LLCResonant Inc.Assignment of Assignor's Interest
Feb 4, 2020
Reel 51714, frame 626
Tsuzuki, Genichi; Willemsen, Balam A.Superconductor Technologies, Inc.Assignment of Assignor's Interest
Mar 6, 2023
Reel 62957, frame 864
Resonant Inc.Murata Manufacturing Co., Ltd.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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