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Semiconductor Device and Cell

US 7,227,202 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Mar 5, 2025 · High confidence

Filed Dec 30, 2004 as application 11/024,464 · Granted Jun 5, 2007
Base term plus 65 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Mar 5, 2025
2004 2026
Clock starts
Dec 30, 2004
Term ended
Mar 5, 2025
Granted
Jun 5, 2007
base term patent term adjustment 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
65
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.
10
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 65 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Dec 30, 2004, when this application, 11/024,464, was filedDec 30, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+65 days, USPTO patent term adjustment recordMar 5, 2025High 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 orderMar 5, 2025High confidence

This family

US 7,148,135Lapsed on the fee record
Dec 2018
Dec 2018
US 6,991,951Lapsed on the fee record
Jan 2014
Jan 2014
US 7,463,767In force
Jan 2027
Jan 2027
US 7,358,475Lapsed on the fee record
Apr 2020
Apr 2020
US 6,999,367Term ended
Aug 2024
Aug 2024
US 7,460,108In force
Jan 2027
Jan 2027
US 7,227,202this patent
Mar 2025
Mar 2025
US 7,278,124Lapsed on the fee record
Oct 2019
Oct 2019
8 of 10 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
Dec 30, 2004
Reel 16140, frame 302
Kishishita, KeisukeMatsushita Electric Industrial Co., Ltd.Assignment of Assignor's Interest
Mar 25, 2015
Reel 35294, frame 942
Panasonic CorporationSocionext 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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