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Grain Boundary Blocking for Stress Migration and Electromigration Improvement in Cu Interconnects

US 7,989,338 In force
OverviewFamilyAssignmentsSources & methods

Term ends Aug 4, 2027 · High confidence

Filed Jun 15, 2005 as application 11/153,747 · Granted Aug 2, 2011
Base term plus 780 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2005 2027
Clock starts
Jun 15, 2005
Term ends
Aug 4, 2027
Granted
Aug 2, 2011
base term patent term adjustment fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
780
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
24
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 runs 780 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jun 15, 2005, when this application, 11/153,747, was filedJun 15, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+780 days, USPTO patent term adjustment recordAug 4, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderAug 4, 2027High confidence

This family

US 6,933,188Lapsed on the fee record
Aug 2017
Aug 2017
US 7,094,669Term ended
Aug 2024
Aug 2024
US 9,318,378In force
Aug 2029
Aug 2029
US 7,445,874Lapsed on the fee record
Nov 2020
Nov 2020
Application 10/990,180Abandoned
not computed
not computed
Application 10/992,447Abandoned
not computed
not computed
US 7,332,422Lapsed on the fee record
Feb 2020
Feb 2020
US 7,645,687Lapsed on the fee record
Jan 2022
Jan 2022
8 of 24 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
Jun 15, 2005
Reel 16703, frame 351
Zhang, Fan; Chok, Kho Liep; Alex See- Cheng Cheh Tan; Bu, Xiaomei; Lee, Tae Jong; Hsia, Liang ChooChartered Semiconductor Manufacturing Ltd.Assignment of Assignor's Interest
Jul 30, 2007
Reel 19669, frame 718
Zhang, Fan; Chok, Kho Liep; See, Alex; Tan, Cheng Cheh; Bu, Xiaomei; Lee, Tae Jong; Hsia, Liang ChooChartered Semiconductor Manufacturing Ltd.Corrective Assignment-Previously Recorded at Reel/Frame # 016703/0351, Assignment # 103026143A-TO Amend Names of the Conveying Parties and Execution Dates.
Jun 2, 2011
Reel 26374, frame 124
Chartered Semiconductor Manufacturing Ltd.Chartered Semiconductor Manufacturing Pte. Ltd.Change of Name
Jun 2, 2011
Reel 26374, frame 135
Chartered Semiconductor Manufacturing Pte. Ltd.GlobalFoundries Singapore Pte. Ltd.Change of Name
Nov 27, 2018
Reel 47660, frame 203
GlobalFoundries Singapore Pte. Ltd.Wilmington Trust, National AssociationSecurity Agreement
Nov 19, 2020
Reel 54481, frame 673
Wilmington Trust, National AssociationGlobalFoundries Singapore Pte. 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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