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Vertical Field Effect Transistor Device and Method of Fabrication

US 11,251,295 In force
OverviewFamilyAssignmentsSources & methods

Term ends Mar 12, 2040 · High confidence

Filed Mar 10, 2020 as application 16/814,886 · Granted Feb 15, 2022
Base term plus 2 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2020 2040
Clock starts
Mar 10, 2020
Term ends
Mar 12, 2040
Granted
Feb 15, 2022
base term 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
2
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.
5
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 2 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. 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 10, 2020, when this application, 16/814,886, was filedMar 10, 2040High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+2 days, USPTO patent term adjustment recordMar 12, 2040High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 12, 2040High confidence

This family

US 11,251,295this patent
Mar 2040
Mar 2040
US 11,652,165In force
Mar 2040
Mar 2040
US 11,942,537In force
Mar 2040
Mar 2040
US 12,641,821In force
Mar 2040
Mar 2040
Application 19/663,079Pending
not computed
not computed
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 11, 2020
Reel 52087, frame 726
Shealy, James R.; Brown, Richard J.Odyssey Semiconductor, Inc.Assignment of Assignor's Interest
Sep 8, 2023
Reel 64852, frame 208
JR2J, LLCU.S. Department of EnergyConfirmatory License
Jul 1, 2024
Reel 67887, frame 113
Odyssey Semiconductor, Inc.Power Integrations, 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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