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US 11,610,036 In force, term unresolved
OverviewFamilyAssignmentsSources & methods

Term ends no later than Aug 1, 2039 · Low 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.

Held by Sifive, Inc.
Filed Jun 28, 2021 as application 17/361,238 · Granted Mar 21, 2023
Base term, 20 years from filing
Today
20 years from filing
2019 2039
Clock starts
Aug 1, 2019
Ends no later than
Aug 1, 2039
Granted
Mar 21, 2023
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
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.
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.
3
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. 1 of 3 maintenance fees is paid so far. Confidence: Low. 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 Aug 1, 2019, when application 16/528,911, the earliest non-provisional in its chain, was filed (this one was filed Jun 28, 2021); a parent in its chain could not be resolved (the next row)Aug 1, 2039High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium 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 events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Aug 1, 2039Low confidence

This family

US 11,048,838In force
Oct 2039
Oct 2039
US 11,610,036this patent
no later than Aug 2039
no later than Aug 2039
US 11,922,101In force
Aug 2039
Aug 2039
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
Jun 29, 2021
Reel 56697, frame 349
Lee, Yunsup; Xia, Richard; Pappas, Derek; Nugent, Mark; Cook, Henry; Terpstra, Wesley Waylon; Chen, Pin HungSifive, 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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