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US

Method for Detecting Human Occupancy and Activity in a Work Area

US 11,620,808 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Apr 2, 2026 (Triplepoint Capital LLC).

Term ends Apr 11, 2041 · High confidence

Filed Sep 25, 2020 as application 17/033,462 · Granted Apr 4, 2023
Base term plus 198 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2020 2041
Clock starts
Sep 25, 2020
Term ends
Apr 11, 2041
Granted
Apr 4, 2023
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
198
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 198 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 Sep 25, 2020, when this application, 17/033,462, was filedSep 25, 2040High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+198 days, USPTO patent term adjustment recordApr 11, 2041High 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 orderApr 11, 2041High confidence

This family

US 11,620,808this patent
Apr 2041
Apr 2041
US 11,875,552In force
Sep 2040
Sep 2040
US 12,243,289In force
Sep 2040
Sep 2040
Application 19/038,554Pending
not computed
not computed
Application 19/072,929Pending
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
Jan 19, 2022
Reel 58700, frame 524
Green, Kelby; Ryan, Dan; Hoang, TungVergesense, Inc.Assignment of Assignor's Interest
Apr 2, 2026
Reel 74264, frame 445
Vergesense Inc.Triplepoint Capital LLCSecurity 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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