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US 11,962,242 In force, term unresolved
OverviewFamilyAssignmentsSources & methods

Term ends no later than Feb 23, 2036 · Medium confidence

In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Filed Apr 21, 2023 as application 18/305,222 · Granted Apr 16, 2024
Base term, 20 years from filing
Today
20 years from filing
2016 2036
Clock starts
Feb 23, 2016
Ends no later than
Feb 23, 2036
Granted
Apr 16, 2024
base term 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
None
Term adjustment
No prosecution delay on this record.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
7
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 0 of 2 maintenance fees are paid so far. Confidence: Medium. 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 Feb 23, 2016, when applications 15/051,419 and 15/051,661, the earliest non-provisional applications in its chain, were filed (this one was filed Apr 21, 2023)Feb 23, 2036High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Feb 23, 2036Medium confidence

This family

US 10,389,240In force
Feb 2036
Feb 2036
US 9,843,258In force
Feb 2036
Feb 2036
US 11,159,086In force
Feb 2036
Feb 2036
US 11,664,730In force
Feb 2036
Feb 2036
US 11,962,242this patent
no later than Feb 2036
no later than Feb 2036
US 12,283,889In force
Feb 2036
Feb 2036
Application 19/169,969Pending
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
Apr 21, 2023
Reel 63407, frame 52
Phillips, Timothy AlanEmpower Semiconductor, 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited