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Chip Scale Package Having Flip Chip Interconnect on Die Paddle

US 7,691,681 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Nov 15, 2025 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Filed Aug 14, 2008 as application 12/191,542 · Granted Apr 6, 2010
Base term, 20 years from filing
Today
20 years from filing
Term ended Nov 15, 2025
2005 2026
Clock starts
Nov 15, 2005
Term ended
Nov 15, 2025
Granted
Apr 6, 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.
2
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: Medium. 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 15, 2005, when application 11/280,971, the earliest non-provisional in its chain, was filed (this one was filed Aug 14, 2008); a parent in its chain could not be resolved (the next row)Nov 15, 2025High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium 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 orderNov 15, 2025Medium confidence

This family

US 8,067,823In force
Oct 2028
Oct 2028
US 7,691,681this patent
Nov 2025
Nov 2025
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
Aug 6, 2015
Reel 36288, frame 748
Stats ChipPAC, Inc.; Stats ChipPAC Ltd.Citicorp International Limited, as Common Security AgentSecurity Interest
Apr 7, 2016
Reel 38378, frame 442
Stats ChipPAC LD.Stats ChipPAC Pte. Lte.Change of Name
Apr 7, 2016
Reel 38378, frame 343
Stats ChipPAC Ltd.Stats ChipPAC Pte. Lte.Change of Name
Aug 26, 2016
Reel 39980, frame 838
Stats ChipPAC Ltd.Stats ChipPAC Pte. Ltd.Corrective Assignment to Correct the Assignor Name Previously Recorded at Reel: 039514 Frame: 0451. Assignor(S) Hereby Confirms the Change of Name.
Jun 15, 2020
Reel 52938, frame 305
Citicorp International Limited, as Common Security AgentStats ChipPAC, Inc.; Stats ChipPAC Pte. Ltd. Formerly Known as Stats ChipPAC Ltd.Release of Security Interest
Jun 15, 2020
reel/frame not recorded
Citicorp International Limited, as Common Security AgentStats ChipPAC, Inc.Release of Security Interest
Jun 15, 2020
reel/frame not recorded
Citicorp International Limited, as Common Security AgentStats ChipPAC Pte. Ltd. Formerly Known as Stats ChipPAC Ltd.Release of Security Interest
Jun 17, 2020
Reel 53476, frame 94
Citicorp International Limited, as Common Security AgentStats ChipPAC, Inc.; Stats ChipPAC Pte. Ltd. Formerly Known as Stats ChipPAC Ltd.Release of Security Interest
Jun 17, 2020
reel/frame not recorded
Citicorp International Limited, as Common Security AgentStats ChipPAC, Inc.Release of Security Interest
Jun 17, 2020
reel/frame not recorded
Citicorp International Limited, as Common Security AgentStats ChipPAC Pte. Ltd. Formerly Known as Stats ChipPAC Ltd.Release of Security 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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