The Patent Finder
US

System and Method for Indexing Automated Telephone Systems

US 9,215,320 In force, term unresolved
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Dec 23, 2025 (Alter Domus (US) LLC).

Term ends no later than Jan 3, 2028 · Medium confidence

In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Filed Apr 20, 2015 as application 14/691,087 · Granted Dec 15, 2015
Base term, 20 years from filing
Today
20 years from filing
2008 2028
Clock starts
Jan 3, 2008
Ends no later than
Jan 3, 2028
Granted
Dec 15, 2015
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.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
2 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.
9
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 on file with no resolved reference, so no cap is applied and none is guessed. 2 of 3 maintenance fees are paid so far. Confidence: Medium. 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 Jan 3, 2008, when application 11/969,155, the earliest non-provisional in its chain, was filed (this one was filed Apr 20, 2015)Jan 3, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Jan 3, 2028Medium confidence

This family

US 9,031,214In force
Nov 2030
Nov 2030
US 9,215,320this patent
no later than Jan 2028
no later than Jan 2028
US 9,509,844In force
Jan 2028
Jan 2028
US 9,686,408In force
Jan 2028
Jan 2028
US 10,171,660In force
Jan 2028
Jan 2028
US 10,419,610In force
Jan 2028
Jan 2028
US 10,904,384In force
Jan 2028
Jan 2028
US 11,283,926In force
Jan 2028
Jan 2028
8 of 9 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
May 14, 2015
Reel 35641, frame 968
Dahan, Jean-davidFoncloud, Inc.Assignment of Assignor's Interest
Jul 30, 2024
Reel 68129, frame 154
Verint Systems Canada, Inc.Verint Americas Inc.Assignment of Assignor's Interest
Jul 30, 2024
Reel 68222, frame 417
Foncloud, Inc.; Verint Systems Canada, Inc.Verint Systems Canada, Inc.Merger and Change of Name
Dec 23, 2025
Reel 74034, frame 292
Verint Americas Inc.Alter Domus (US) LLC, as Collateral AgentSecurity 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