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US 8,645,958 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jul 28, 2025 (Blue Torch Finance LLC).

Lapsed Feb 4, 2026 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Jun 15, 2012 as application 13/524,959 · Granted Feb 4, 2014
Base term, 20 years from filing
Today
Lapsed Feb 4, 2026
2012 2032
Clock starts
Jun 15, 2012
No longer in force
Feb 4, 2026
Granted
Feb 4, 2014
Term would have run to
Jun 15, 2032
base term after the term ends 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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,027,022, to Jun 15, 2032. The term already ends on or before that date, so the cap shortened nothing.
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.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Jun 15, 2032: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Jun 15, 2012, when this application, 13/524,959, was filedJun 15, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 9,027,022)resolves to Jun 15, 2032, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Feb 4, 2026High confidence
Computed term endThe steps above, in orderFeb 4, 2026High confidence

This family

Application PCT/US2012/042807PCT application
no patent term
no patent term
US 9,027,022In force
Jun 2032
Jun 2032
US 8,645,958this patent
Feb 2026
Feb 2026
US 8,381,224In force
Jun 2032
Jun 2032
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
Jun 15, 2012
Reel 28387, frame 443
Huetter, Raymond J.; Yamarti, AlkaUcirrusAssignment of Assignor's Interest
Jul 10, 2014
Reel 33290, frame 945
Ucirrus CorporationArgyle Data, Inc.Change of Name
May 14, 2018
Reel 46139, frame 274
Argyle Data, Inc.Goldman Sachs Lending Partners LLC, as Collateral AgentGrant of Security Interest in Patents
Aug 18, 2021
Reel 57221, frame 847
Argyle Data, Inc.Jpmorgan Chase Bank, N.a.Security Agreement
Aug 18, 2021
Reel 57222, frame 462
Goldman Sachs Lending Partners LLC, as Collateral AgentArgyle Data, Inc.Termination and Release of Security Interest in Patent Collateral - Release of 046139.0274
Jul 13, 2022
Reel 60640, frame 85
Argyle Data, Inc.Jpmorgan Chase Bank, N.a.Security Agreement
May 29, 2024
Reel 67554, frame 526
Argyle Data, Inc.Wilmington Savings Fund Society, FSBSecurity Interest
Aug 30, 2024
Reel 68453, frame 451
Argyle Data, Inc.Wilmington Savings Fund Society, FSBSecurity Interest
Oct 4, 2024
Reel 69116, frame 31
Wilmington Savings Fund Society, FSBArgyle Data, Inc.Release of Security Interest Recorded at R/F 068453/0451
Oct 4, 2024
Reel 69116, frame 93
Argyle Data, Inc.Glas USA LLCIntellectual Property Security Agreement
Jul 28, 2025
Reel 72268, frame 439
Mavenir Networks, Inc.; Mavenir Systems, Inc.; Argyle Data, Inc.; Mavenir, Inc.; Aquto Corporation; Mavenir Ipa UK Limited; Mavenir Systems UK Limited; Mavenir Ltd.; Mavenir US Inc.Blue Torch Finance LLCSecurity Interest
Jul 29, 2025
Reel 72245, frame 764
Mavenir Networks, Inc.; Mavenir Systems, Inc.; Argyle Data, Inc.; Mavenir, Inc.; Aquto Corporation; Mavenir Ipa UK Limited; Mavenir Systems UK Limited; Mavenir Ltd.; Mavenir US Inc.Glas USA LLCGrant of Security Interest - Patents
Jul 29, 2025
Reel 72262, frame 323
Jpmorgan Chase Bank, N.a.Argyle Data, Inc.Release (REEL 060640 / Frame 0085)
Jul 29, 2025
Reel 72262, frame 337
Jpmorgan Chase Bank, N.a.Argyle Data, Inc.Release (REEL 057221 / Frame 0847)
Jul 29, 2025
Reel 72263, frame 36
Wilmington Savings Fund Society, FSBArgyle Data, Inc.Release of Security Interest in Collateral Recorded at Reel 067554 and Frame 0526
Jul 31, 2025
Reel 72306, frame 567
Glas USA LLCArgyle Data, Inc.Release of Security Interest in Additional Collateral Recorded at Reel 069116 and Frame 0093

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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