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Integrated Circuit System Employing Dipole Multiple Exposure

US 7,926,000 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Apr 12, 2019 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Mar 8, 2007 as application 11/683,691 · Granted Apr 12, 2011
Base term, 20 years from filing, plus 624 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 12, 2019
2007 2028
Clock starts
Mar 8, 2007
No longer in force
Apr 12, 2019
Granted
Apr 12, 2011
Term would have run to
Nov 21, 2028
base term patent term adjustment after the term ends 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
624
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
11
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 Nov 21, 2028: its 20-year base term plus 624 days of term adjustment for prosecution delay. 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 Mar 8, 2007, when this application, 11/683,691, was filedMar 8, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+624 days, USPTO patent term adjustment recordNov 21, 2028High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Apr 12, 2019High confidence
Computed term endThe steps above, in orderApr 12, 2019High confidence

This family

US 7,866,224Lapsed on the fee record
Jan 2019
Jan 2019
US 7,926,000this patent
Apr 2019
Apr 2019
US 9,269,770In force
Nov 2030
Nov 2030
US 7,759,207In force
Jun 2027
Jun 2027
Application 11/736,255Abandoned
not computed
not computed
US 7,692,213In force
Mar 2028
Mar 2028
US 7,968,148Lapsed on the fee record
Jun 2019
Jun 2019
Application 11/861,587Abandoned
not computed
not computed
8 of 11 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
Mar 8, 2007
Reel 18982, frame 454
Tan, Sia Kim; Lin, QunyingChartered Semiconductor Manufacturing Ltd.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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