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US

Error Correction Method and Apparatus for Tty on VoIP Transmissions

US 7,379,431 In force
OverviewAssignmentsSources & methods

Also listed on Avaya Technology LLC, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Nov 23, 2026 · High confidence

Filed Jul 10, 2002 as application 10/192,978 · Granted May 27, 2008
Base term plus 1597 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2002 2026
Clock starts
Jul 10, 2002
Term ends
Nov 23, 2026
Granted
May 27, 2008
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
1,597
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 1597 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 Jul 10, 2002, when this application, 10/192,978, was filedJul 10, 2022High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1597 days, USPTO patent term adjustment recordNov 23, 2026High 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 23, 2026High confidence

Assignments

The 40 most recent of 66 recorded documents are shown; the 26 earliest are not. 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
Jul 25, 2022
reel/frame not recorded
Citibank, N.A., as Administrative AgentAvaya Technology LLCBankruptcy Court Order Releasing the Security Interest Recorded at Reel/Frame 020156/0149
Jul 25, 2022
reel/frame not recorded
Citibank, N.A., as Administrative AgentOctel Communications LLCBankruptcy Court Order Releasing the Security Interest Recorded at Reel/Frame 020156/0149
Jul 25, 2022
reel/frame not recorded
Citibank, N.A., as Administrative AgentVpnet TechnologiesBankruptcy Court Order Releasing the Security Interest Recorded at Reel/Frame 020156/0149
Aug 5, 2022
Reel 61087, frame 386
Avaya Inc.; Intellisist, Inc.; Avaya Management L.P.; Avaya Cabinet Solutions LLCWilmington Trust, National Association, as Collateral AgentIntellectual Property Security Agreement
Apr 26, 2023
Reel 63457, frame 1
Citibank, N.A., as Collateral AgentAvaya Holdings Corp.; Avaya Inc.; Avaya Management L.P.; Avaya Integrated Cabinet Solutions LLCRelease of Security Interest in Patents at Reel 45124/FRAME 0026
Apr 26, 2023
reel/frame not recorded
Citibank, N.A., as Collateral AgentAvaya Holdings Corp.Release of Security Interest in Patents at Reel 45124/FRAME 0026
Apr 26, 2023
reel/frame not recorded
Citibank, N.A., as Collateral AgentAvaya Inc.Release of Security Interest in Patents at Reel 45124/FRAME 0026
Apr 26, 2023
reel/frame not recorded
Citibank, N.A., as Collateral AgentAvaya Management L.P.Release of Security Interest in Patents at Reel 45124/FRAME 0026
Apr 26, 2023
reel/frame not recorded
Citibank, N.A., as Collateral AgentAvaya Integrated Cabinet Solutions LLCRelease of Security Interest in Patents at Reel 45124/FRAME 0026
May 3, 2023
Reel 63742, frame 1
Avaya Management L.P.; Avaya Inc.; Intellisist, Inc.; Knoahsoft Inc.Wilmington Savings Fund Society, FSB [Collateral Agent]Intellectual Property Security Agreement
May 4, 2023
Reel 63542, frame 662
Avaya Inc.; Avaya Management L.P.; Intellisist, Inc.Citibank, N.A., as Collateral AgentIntellectual Property Security Agreement
May 18, 2023
Reel 63690, frame 359
Wilmington Trust, National Association, as Notes Collateral AgentAvaya Management L.P.; Avaya Inc.; Intellisist, Inc.; Avaya Integrated Cabinet Solutions LLCRelease of Security Interest in Patents (Reel/Frame 61087/0386)
May 18, 2023
Reel 63705, frame 23
Wilmington Trust, National Association, as Notes Collateral AgentAvaya Management L.P.; Avaya Inc.; Intellisist, Inc.; Avaya Integrated Cabinet Solutions LLCRelease of Security Interest in Patents (Reel/Frame 53955/0436)
May 18, 2023
Reel 63779, frame 622
Goldman Sachs Bank USA., as Collateral AgentAvaya Inc.; Intellisist, Inc.; Avaya Integrated Cabinet Solutions LLC; Octel Communications LLC; Vpnet Technologies, Inc.; Zang, Inc. (Former Name of Avaya Cloud Inc.); Hyperquality, Inc.; Hyperquality II, LLC; Caas Technologies, LLC; Avaya Management L.P.Release of Security Interest in Patents (Reel/Frame 045034/0001)
May 18, 2023
reel/frame not recorded
Wilmington Trust, National Association, as Notes Collateral AgentAvaya Management L.P.Release of Security Interest in Patents (Reel/Frame 61087/0386)
May 18, 2023
reel/frame not recorded
Wilmington Trust, National Association, as Notes Collateral AgentAvaya Inc.Release of Security Interest in Patents (Reel/Frame 61087/0386)
May 18, 2023
reel/frame not recorded
Wilmington Trust, National Association, as Notes Collateral AgentIntellisist, Inc.Release of Security Interest in Patents (Reel/Frame 61087/0386)
May 18, 2023
reel/frame not recorded
Wilmington Trust, National Association, as Notes Collateral AgentAvaya Integrated Cabinet Solutions LLCRelease of Security Interest in Patents (Reel/Frame 61087/0386)
May 18, 2023
reel/frame not recorded
Wilmington Trust, National Association, as Notes Collateral AgentAvaya Management L.P.Release of Security Interest in Patents (Reel/Frame 53955/0436)
May 18, 2023
reel/frame not recorded
Wilmington Trust, National Association, as Notes Collateral AgentAvaya Inc.Release of Security Interest in Patents (Reel/Frame 53955/0436)
May 18, 2023
reel/frame not recorded
Wilmington Trust, National Association, as Notes Collateral AgentIntellisist, Inc.Release of Security Interest in Patents (Reel/Frame 53955/0436)
May 18, 2023
reel/frame not recorded
Wilmington Trust, National Association, as Notes Collateral AgentAvaya Integrated Cabinet Solutions LLCRelease of Security Interest in Patents (Reel/Frame 53955/0436)
May 18, 2023
reel/frame not recorded
Goldman Sachs Bank USA., as Collateral AgentAvaya Inc.Release of Security Interest in Patents (Reel/Frame 045034/0001)
May 18, 2023
reel/frame not recorded
Goldman Sachs Bank USA., as Collateral AgentIntellisist, Inc.Release of Security Interest in Patents (Reel/Frame 045034/0001)
May 18, 2023
reel/frame not recorded
Goldman Sachs Bank USA., as Collateral AgentAvaya Integrated Cabinet Solutions LLCRelease of Security Interest in Patents (Reel/Frame 045034/0001)
May 18, 2023
reel/frame not recorded
Goldman Sachs Bank USA., as Collateral AgentOctel Communications LLCRelease of Security Interest in Patents (Reel/Frame 045034/0001)
May 18, 2023
reel/frame not recorded
Goldman Sachs Bank USA., as Collateral AgentVpnet Technologies, Inc.Release of Security Interest in Patents (Reel/Frame 045034/0001)
May 18, 2023
reel/frame not recorded
Goldman Sachs Bank USA., as Collateral AgentZang, Inc. (Former Name of Avaya Cloud Inc.)Release of Security Interest in Patents (Reel/Frame 045034/0001)
May 18, 2023
reel/frame not recorded
Goldman Sachs Bank USA., as Collateral AgentHyperquality, Inc.Release of Security Interest in Patents (Reel/Frame 045034/0001)
May 18, 2023
reel/frame not recorded
Goldman Sachs Bank USA., as Collateral AgentHyperquality II, LLCRelease of Security Interest in Patents (Reel/Frame 045034/0001)
May 18, 2023
reel/frame not recorded
Goldman Sachs Bank USA., as Collateral AgentCaas Technologies, LLCRelease of Security Interest in Patents (Reel/Frame 045034/0001)
May 18, 2023
reel/frame not recorded
Goldman Sachs Bank USA., as Collateral AgentAvaya Management L.P.Release of Security Interest in Patents (Reel/Frame 045034/0001)
Sep 21, 2023
Reel 65019, frame 231
Avaya Inc.Avaya LLC(Security Interest) Grantor's Name Change
Mar 25, 2024
Reel 66894, frame 117
Citibank, N.a.Avaya LLC; Avaya Management L.P.Intellectual Property Release and Reassignment
Mar 25, 2024
Reel 66894, frame 227
Wilmington Savings Fund Society, FSBAvaya LLC; Avaya Management L.P.Intellectual Property Release and Reassignment
Mar 25, 2024
reel/frame not recorded
Citibank, N.a.Avaya LLCIntellectual Property Release and Reassignment
Mar 25, 2024
reel/frame not recorded
Citibank, N.a.Avaya Management L.P.Intellectual Property Release and Reassignment
Mar 25, 2024
reel/frame not recorded
Wilmington Savings Fund Society, FSBAvaya LLCIntellectual Property Release and Reassignment
Mar 25, 2024
reel/frame not recorded
Wilmington Savings Fund Society, FSBAvaya Management L.P.Intellectual Property Release and Reassignment
Apr 4, 2024
Reel 67022, frame 780
Avaya LLCArlington Technologies, LLCAssignment of Assignor's 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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