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Stacked Semiconductor Device and Fabrication Method for Same

US 8,247,896 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Aug 21, 2024 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Sep 3, 2010 as application 12/875,799 · Granted Aug 21, 2012
Base term, 20 years from filing
Today
Lapsed Aug 21, 2024
2007 2027
Clock starts
Apr 11, 2007
No longer in force
Aug 21, 2024
Granted
Aug 21, 2012
Term would have run to
Apr 11, 2027
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,808,093, to Apr 11, 2027. The term already ends on or before that date, so the cap shortened nothing.
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.
3
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 Apr 11, 2027: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 11, 2007, when application 11/734,054, the earliest non-provisional in its chain, was filed (this one was filed Sep 3, 2010)Apr 11, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,808,093)resolves to Apr 11, 2027, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Aug 21, 2024High confidence
Computed term endThe steps above, in orderAug 21, 2024High confidence

This family

US 7,808,093In force
Nov 2028
Nov 2028
US 8,247,896this patent
Aug 2024
Aug 2024
US 9,252,125Lapsed on the fee record
Feb 2024
Feb 2024
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 29, 2013
Reel 32414, frame 261
PS4 Luxco S.A.R.L.Elpida Memory Inc.Security Agreement
May 15, 2014
Reel 32900, frame 568
Elpida Memory, Inc.PS4 Luxco S.A.R.L.Assignment of Assignor's Interest
Aug 24, 2016
Reel 39793, frame 880
PS5 Luxco S.A.R.L.Longitude Semiconductor S.A.R.L.Change of Name
Aug 24, 2016
Reel 39818, frame 506
PS4 Luxco S.A.R.L.PS5 Luxco S.A.R.L.Assignment of Assignor's Interest
Aug 21, 2018
Reel 46867, frame 248
Longitude Semiconductor S.A.R.L.Longitude Licensing LimitedAssignment 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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