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Radio Frequency Power Semiconductor Device Comprising Matrix of Cavities as Dielectric Isolation Structure

US 7,847,369 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Jan 6, 2025 · High confidence

Filed Oct 16, 2009 as application 12/580,390 · Granted Dec 7, 2010
Base term, 20 years from filing
Today
20 years from filing
Term ended Jan 6, 2025
2005 2026
Clock starts
Jan 6, 2005
Term ended
Jan 6, 2025
Granted
Dec 7, 2010
base term 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
None
Term adjustment
No prosecution delay on this record.
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.
13
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 is its 20-year base term, with no adjustment for 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 Jan 6, 2005, when application PCT/US2005/000205, the earliest non-provisional in its chain, was filed (this one was filed Oct 16, 2009)Jan 6, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh 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 orderJan 6, 2025High confidence

This family

Application PCT/US2005/000205PCT application
no patent term
no patent term
Application 10/557,135Abandoned
not computed
not computed
US 8,471,378In force
Feb 2027
Feb 2027
US 7,898,057Lapsed on the fee record
Mar 2015
Mar 2015
US 8,530,963In force
Nov 2028
Nov 2028
US 7,656,003In force
Jun 2027
Jun 2027
Application PCT/US2007/075663PCT application
no patent term
no patent term
US 7,847,369this patent
Jan 2025
Jan 2025
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
Oct 16, 2009
Reel 23382, frame 473
Davies, Robert BruceHvvi Semiconductors, Inc.Assignment of Assignor's Interest
May 14, 2013
Reel 30408, frame 580
Hvvi Semiconductor, Inc.Estivation Properties LLCAssignment of Assignor's Interest
Dec 30, 2015
Reel 37384, frame 135
Estivation Properties LLCXenogenic Development Limited Liability CompanyMerger

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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