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US

Speaker Authentication in Digital Communication Networks

US 7,970,611 In force
OverviewAssignmentsSources & methods

Also listed on Lumenvox Corporation, an earlier holder on the record. The recorded assignments below show how it moved.

Collateral for a security interest recorded Jun 13, 2025 (Chicago Atlantic Loan Admin, LLC).

Term ends Nov 28, 2029 · High confidence

Filed May 2, 2006 as application 11/416,793 · Granted Jun 28, 2011
Base term plus 1306 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2029
Clock starts
May 2, 2006
Term ends
Nov 28, 2029
Granted
Jun 28, 2011
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
1,306
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 1306 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 May 2, 2006, when this application, 11/416,793, was filedMay 2, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1306 days, USPTO patent term adjustment recordNov 28, 2029High 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 orderNov 28, 2029High 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
Aug 31, 2006
Reel 18196, frame 735
Kuppuswamy, Raja; Pilz, Christian S.Voice.Trust AGAssignment of Assignor's Interest
Dec 17, 2014
Reel 34527, frame 913
Voicetrust GmbHVoicetrust IP GmbHAssignment of Assignor's Interest
Dec 17, 2014
Reel 34527, frame 985
Voicetrust IP GmbHVoicetrust Eservices Canada Inc.Assignment of Assignor's Interest
Dec 17, 2014
Reel 34661, frame 410
Voice.Trust AGVoicetrust GmbHChange of Name
Mar 17, 2016
Reel 38015, frame 380
Voicetrust Eservices Canada Inc.Voicetrust GmbHAssignment of Assignor's Interest
Dec 11, 2020
Reel 54701, frame 792
Voicetrust GmbHLumenvox GmbHChange of Name
Mar 15, 2021
Reel 55594, frame 71
Lumenvox GmbHLumenvox CorporationAssignment of Assignor's Interest
Mar 24, 2021
Reel 55705, frame 350
Lumenvox CorporationEspresso Capital Ltd.Security Interest
Aug 14, 2023
Reel 64582, frame 172
Lumenvox Corporation; Lumenvox LLCAI Software, LLCAssignment of Assignor's Interest
Jun 17, 2024
Reel 67743, frame 755
AI Software LLC; Textel CX, Inc.; Denim Social, LLC; Smartaction Holdings, Inc.; Smartaction LLCOrix Growth Capital, LLCSecurity Interest
Jun 13, 2025
Reel 71413, frame 361
AI Software, LLC; Envision Telephony, Inc.; Equals 3, Inc.Chicago Atlantic Loan Admin, LLC, as Administrative AgentSecurity Interest
Jun 20, 2025
Reel 71471, frame 942
Espresso Capital Ltd.Lumenvox CorporationRelease of Security Interest
Jul 1, 2025
Reel 71584, frame 477
Orix Growth Capital, LLCAI Software LLC; Textel CX, Inc.; Denim Social, LLC; Smartaction Holdings, Inc.; Smartaction LLCRelease of Security Interest
Jul 1, 2025
reel/frame not recorded
Orix Growth Capital, LLCAI Software LLCRelease of Security Interest
Jul 1, 2025
reel/frame not recorded
Orix Growth Capital, LLCTextel CX, Inc.Release of Security Interest
Jul 1, 2025
reel/frame not recorded
Orix Growth Capital, LLCDenim Social, LLCRelease of Security Interest
Jul 1, 2025
reel/frame not recorded
Orix Growth Capital, LLCSmartaction Holdings, Inc.Release of Security Interest
Jul 1, 2025
reel/frame not recorded
Orix Growth Capital, LLCSmartaction LLCRelease of Security Interest
Oct 21, 2025
Reel 73150, frame 484
AI Software, LLC; Envision Telephony, Inc.; Equals 3, Inc.Chicago Atlantic Admin, LLC, as Administrative AgentCorrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 71413 Frame: 361. Assignor(S) Hereby Confirms the Security Interest.
Feb 20, 2026
Reel 73851, frame 14
AI Software, LLC; Equals 3, Inc.; Textel CX Inc.; Creovai, Inc.MGG Investment Group LP, as the Collateral AgentSecurity Interest
Feb 23, 2026
Reel 73860, frame 79
Chicago Atlantic Admin, LLC, as Administrative AgentAI Software, LLC; Envision Telephony, Inc.; Equals 3, Inc.Release of Security Interest
Feb 23, 2026
reel/frame not recorded
Chicago Atlantic Admin, LLC, as Administrative AgentAI Software, LLCRelease of Security Interest
Feb 23, 2026
reel/frame not recorded
Chicago Atlantic Admin, LLC, as Administrative AgentEnvision Telephony, Inc.Release of Security Interest
Feb 23, 2026
reel/frame not recorded
Chicago Atlantic Admin, LLC, as Administrative AgentEquals 3, Inc.Release of 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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