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Cloud-Based Assistive Services for Use in Telecommunications and on Premise Devices

US 11,316,974 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Dec 17, 2025 (Citizens Bank, N.A.).

Term ends Jul 9, 2034 · High confidence

Held by Ooma, Inc.
Filed Feb 14, 2020 as application 16/791,959 · Granted Apr 26, 2022
Base term, 20 years from filing
Today
20 years from filing
2014 2034
Clock starts
Jul 9, 2014
Term ends
Jul 9, 2034
Granted
Apr 26, 2022
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.
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.
8
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. 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 Jul 9, 2014, when application 14/327,163, the earliest non-provisional in its chain, was filed (this one was filed Feb 14, 2020)Jul 9, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh 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 orderJul 9, 2034High confidence

This family

US 10,553,098In force
Jul 2034
Jul 2034
Application PCT/US2015/034054PCT application
no patent term
no patent term
US 11,330,100In force
Jul 2034
Jul 2034
US 11,315,405In force
Aug 2034
Aug 2034
US 11,316,974this patent
Jul 2034
Jul 2034
US 12,190,702In force
Dec 2035
Dec 2035
Application 17/673,173Abandoned
not computed
not computed
Application 18/780,174Pending
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
Feb 27, 2020
Reel 51950, frame 809
White, Thaddeus; Osterlund, Karl; Farrand, Tobin E.; Vasudev, Arvind; Hart, Douglas; Bryan, David A.; Gillon, William M.Ooma, Inc.Assignment of Assignor's Interest
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
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.

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