The Patent Finder
US

Active Virtual Fence Using Mesh Networked RF Tags

US 8,890,677 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Sandlinks Systems Ltd., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Mar 7, 2031 · High confidence

Filed Jan 14, 2010 as application 12/530,223 · Granted Nov 18, 2014
Base term plus 1075 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2008 2031
Clock starts
Mar 27, 2008
Term ends
Mar 7, 2031
Granted
Nov 18, 2014
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
1,075
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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 runs 1075 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jan 14, 2010)Mar 27, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1075 days, USPTO patent term adjustment recordMar 7, 2031High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 7, 2031High confidence

This family

US 8,890,677this patent
Mar 2031
Mar 2031
US 9,454,885In force
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
Sep 8, 2009
Reel 23199, frame 326
Raphaeli, DanSandlinks Systems Ltd.Assignment of Assignor's Interest
Oct 30, 2010
Reel 25222, frame 946
Sandlinks Systems Ltd.Zebra Technologies CorporationAssignment of Assignor's Interest
Jul 6, 2011
Reel 26549, frame 60
Zebra Technologies CorporationZebra Enterprise Solutions Corp.Assignment of Assignor's Interest
Oct 31, 2014
Reel 34114, frame 270
Zih Corp.; Laser Band, LLC; Zebra Enterprise Solutions Corp.; Symbol Technologies, Inc.Morgan Stanley Senior Funding, Inc. as the Collateral AgentSecurity Agreement
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 44791, frame 842
Morgan Stanley Senior Funding, Inc., as the Existing AgentJPMorgan Chase Bank, N.A., as the Successor AgentPatent Security Interest Assignment Agreement
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