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US

Vertical Field-Effect Transistor and Method of Forming the Same

US 7,541,640 In force
OverviewAssignmentsSources & methods

Also listed on Coldwatt, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Collateral for a security interest recorded Apr 20, 2021 (NSF I LLC).

Term ends Aug 23, 2027 · High confidence

Filed Jun 19, 2007 as application 11/765,324 · Granted Jun 2, 2009
Base term plus 65 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2007 2027
Clock starts
Jun 19, 2007
Term ends
Aug 23, 2027
Granted
Jun 2, 2009
base term patent term adjustment 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.

This patent's term runs 65 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 19, 2007, when this application, 11/765,324, was filedJun 19, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+65 days, USPTO patent term adjustment recordAug 23, 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 23, 2027High confidence

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 20, 2007
Reel 19582, frame 711
Brar, Berinder P. S.; Ha, WonillColdwatt, Inc.Assignment of Assignor's Interest
Feb 4, 2009
Reel 22203, frame 476
Coldwatt, Inc.Flextronics International USA, Inc.Merger
Apr 8, 2021
Reel 55879, frame 707
Flextronics International USA, Inc.Mypaq Holdings Ltd.Assignment of Assignor's Interest
Apr 20, 2021
Reel 55973, frame 892
Mypaq Holdings Ltd.NSF I LLCSecurity Interest
Jul 20, 2022
Reel 66410, frame 1
Coldwatt, Inc.Flextronics International USA, Inc.Conveyance by Dissolution of Coldwatt, Inc., Which Was Completed on 04-09-2012 per Attached Declaration. Conveyance Was Made to Coldwatt's Sole Stockholder, Flextronics International Usa, Inc. See Del. Code Ann. Tit. 8, § 281(B).

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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