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System and Method for Providing Personalized Reverse 911 Service

US 8,515,021 In force
OverviewAssignmentsSources & methods
Collateral for a security interest recorded Dec 17, 2025 (Citizens Bank, N.A.).

Term ends Jan 26, 2031 · High confidence

Held by Ooma, Inc.
Filed Feb 25, 2008 as application 12/072,381 · Granted Aug 20, 2013
Base term plus 1066 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2008 2031
Clock starts
Feb 25, 2008
Term ends
Jan 26, 2031
Granted
Aug 20, 2013
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
1,066
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.

This patent's term runs 1066 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 Feb 25, 2008, when this application, 12/072,381, was filedFeb 25, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1066 days, USPTO patent term adjustment recordJan 26, 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 orderJan 26, 2031High confidence

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
Feb 25, 2008
Reel 20613, frame 556
Farrand, Toby; Krein, Todd; Peck, JeffOoma, Inc.Assignment of Assignor's Interest
Jan 10, 2011
Reel 25608, frame 697
Ooma, Inc.MMV Finance Inc.Security Agreement
Jan 6, 2015
Reel 34731, frame 531
Ooma, Inc.Silicon Valley BankSecurity Agreement
Jan 11, 2021
Reel 54959, frame 756
Ooma, Inc.Keybank National AssociationIntellectual Property Security Agreement
Jun 9, 2023
Reel 63910, frame 866
Keybank National Association, As Administrative AgentOoma, Inc.Release of Security Interest
Nov 6, 2023
Reel 65466, frame 45
MMV Finance, Inc.Ooma, Inc.Release of Security Interest
Nov 7, 2023
Reel 65479, frame 673
Silicon Valley Bank, a Division of First-Citizens Bank & Trust CompanyOoma, Inc.Release of Security Interest
Dec 17, 2025
Reel 74304, frame 257
Ooma, Inc.; Fluentstream Technologies, LLCCitizens Bank, N.a.Security 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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