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Semiconductor Device, Structure and Methods

US 9,640,531 In force (reinstated)
OverviewFamilyAssignmentsSources & methods

Term ends Jan 28, 2035 · High confidence

Filed Jan 28, 2015 as application 14/607,077 · Granted May 2, 2017
Base term, 20 years from filing
Today
20 years from filing
2015 2035
Clock starts
Jan 28, 2015
Term ends
Jan 28, 2035
Granted
May 2, 2017
base term 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.
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.
31
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. 2 of 3 maintenance fees are paid so far. 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 28, 2015, when this application, 14/607,077, was filedJan 28, 2035High 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 events2 of 3 maintenance fees paidIn force (reinstated)High confidence
Computed term endThe steps above, in orderJan 28, 2035High confidence

This family

US 8,994,404In force
Mar 2033
Mar 2033
US 9,640,531this patent
Jan 2035
Jan 2035
US 9,142,553In force
Mar 2033
Mar 2033
Application 14/642,724Abandoned
not computed
not computed
US 9,318,408Lapsed on the fee record
Apr 2024
Apr 2024
US 9,691,760In force
Mar 2033
Mar 2033
US 10,014,292Lapsed on the fee record
Jul 2026
Jul 2026
US 10,002,865Lapsed on the fee record
Jun 2026
Jun 2026
8 of 31 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
Jan 28, 2015
Reel 34836, frame 585
Or-bach, Zvi; Cronquist, BrianMonolithic 3D Inc.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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