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Method for Establishing a Telecommunication Connection in a Telecommunication System and Telecommunication System

US 10,873,981 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Feb 14, 2023 (Bank of America, N.A.).

Lapsed Dec 22, 2024 on the fee record · High confidence

First maintenance fee unpaid; grace period ended.

Filed Apr 4, 2019 as application 16/375,279 · Granted Dec 22, 2020
Base term, 20 years from filing
Today
Lapsed Dec 22, 2024
2016 2036
Clock starts
Jun 9, 2016
No longer in force
Dec 22, 2024
Granted
Dec 22, 2020
Term would have run to
Jun 9, 2036
base term after the term ends 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.
0 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.
3
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 9, 2036: its 20-year base term, with no adjustment for prosecution delay. 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 9, 2016, when application 15/177,618, the earliest non-provisional in its chain, was filed (this one was filed Apr 4, 2019)Jun 9, 2036High 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 events0 of 3 maintenance fees paidlapsed Dec 22, 2024High confidence
Computed term endThe steps above, in orderDec 22, 2024High confidence

This family

Application 15/177,618Abandoned
not computed
not computed
US 10,873,981this patent
Dec 2024
Dec 2024
US 11,540,338In force
Jun 2036
Jun 2036
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
Jul 31, 2019
Reel 49911, frame 737
Glaser, Martin; Rist, Claus; Volkmann, Michael; Willmann, MichaelUnify GmbH & Co. KGAssignment of Assignor's Interest
Dec 22, 2020
Reel 54828, frame 640
Unify GmbH & Co. KGUnify Patente GmbH & Co. KGContribution Agreement
Jan 29, 2022
Reel 58818, frame 756
Unify Patente GmbH & Co. KGRingCentral IP Holdings, Inc.Assignment of Assignor's Interest
Jan 30, 2022
Reel 58821, frame 401
RingCentral IP Holdings, Inc.RingCentral, Inc.Assignment of Assignor's Interest
Feb 14, 2023
Reel 62973, frame 194
RingCentral, Inc.Bank of America, N.A., 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.

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