The Patent Finder
US

Active Virtual Fence Using Mesh Networked RF Tags

US 9,454,885 In force
OverviewFamilyAssignmentsSources & methods

Term ends Mar 27, 2028 · High confidence

Filed Oct 20, 2014 as application 14/518,629 · Granted Sep 27, 2016
Base term, 20 years from filing
Today
20 years from filing
2008 2028
Clock starts
Mar 27, 2008
Term ends
Mar 27, 2028
Granted
Sep 27, 2016
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,890,677, to Mar 27, 2028. The term already ends on or before that date, so the cap shortened nothing.
2 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.
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 resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 2 maintenance fees are 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 27, 2008, when application PCT/IL2008/000424, the earliest non-provisional in its chain, was filed (this one was filed Oct 20, 2014)Mar 27, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 8,890,677)resolves to Mar 27, 2028, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 27, 2028High confidence

This family

US 8,890,677In force
Mar 2031
Mar 2031
US 9,454,885this patent
Mar 2028
Mar 2028
2 of 3 applications in this family shown, earliest filings first. 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
Aug 28, 2015
Reel 36503, frame 630
Zebra Enterprise Solutions Corp.Zih Corp.Assignment of Assignor's Interest
Sep 4, 2015
Reel 36552, frame 588
Zebra Enterprise Solutions Corp.Zih Corp.Assignment of Assignor's Interest
Oct 25, 2017
Reel 44616, frame 736
Zih Corp.JPMorgan Chase Bank, N.A., as the Successor AgentSecurity Interest
Mar 29, 2019
Reel 48884, frame 618
Zih Corp.Zebra Technologies CorporationMerger
Jul 3, 2019
Reel 49675, frame 49
Zebra Technologies CorporationJPMorgan Chase Bank, N.A., as Collateral AgentNotice of Transfer of Security Interest in Patents
Sep 1, 2020
Reel 53841, frame 212
Zebra Technologies Corporation; Laser Band, LLC; Temptime CorporationJpmorgan Chase Bank, N.a.Security Interest
Mar 5, 2021
Reel 56036, frame 590
Jpmorgan Chase Bank, N.a.Zebra Technologies Corporation; Laser Band, LLC; Temptime CorporationRelease of Security Interest - 364 - Day
Mar 5, 2021
reel/frame not recorded
Jpmorgan Chase Bank, N.a.Zebra Technologies CorporationRelease of Security Interest - 364 - Day
Mar 5, 2021
reel/frame not recorded
Jpmorgan Chase Bank, N.a.Laser Band, LLCRelease of Security Interest - 364 - Day
Mar 5, 2021
reel/frame not recorded
Jpmorgan Chase Bank, N.a.Temptime CorporationRelease of Security Interest - 364 - Day

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 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited