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US

Providing Multiple Msisdn Numbers in a Mobile Device with a Single Imsi

US 7,577,431 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Aug 18, 2021 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Feb 18, 2004 as application 10/782,681 · Granted Aug 18, 2009
Base term, 20 years from filing, plus 307 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 18, 2021
2004 2026
Clock starts
Feb 18, 2004
No longer in force
Aug 18, 2021
Granted
Aug 18, 2009
Term would have run to
Dec 21, 2024
base term patent term adjustment 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
307
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
33
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 Dec 21, 2024: its 20-year base term plus 307 days of term 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 Feb 18, 2004, when this application, 10/782,681, was filedFeb 18, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+307 days, USPTO patent term adjustment recordDec 21, 2024High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Aug 18, 2021High confidence
Computed term endThe steps above, in orderAug 18, 2021High confidence

This family

US 7,072,651Term ended
Dec 2023
Dec 2023
US 7,664,494Term ended
May 2024
May 2024
US 7,577,431this patent
Aug 2021
Aug 2021
US 7,505,769Lapsed on the fee record
Mar 2021
Mar 2021
Application 10/918,644Abandoned
not computed
not computed
Application 11/280,862Abandoned
not computed
not computed
Application 11/294,329Abandoned
not computed
not computed
US 7,660,580In force
Apr 2028
Apr 2028
8 of 33 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
Feb 17, 2005
Reel 15741, frame 588
Jiang, Yue JunRoamware, Inc.Assignment of Assignor's Interest
Mar 31, 2014
Reel 32559, frame 564
Globetouch Inc.Spade Glory LimitedSecurity Interest
Apr 2, 2014
Reel 32578, frame 331
Silicon Valley BankMobileum, Inc. (F/K/A Roamware Inc.)Release of Security Interest
Jul 8, 2014
Reel 33281, frame 975
Globetouch Inc.Spade Glory Limited, As Collateral AgentSecurity Interest
Oct 31, 2014
Reel 34114, frame 742
Mobileum, Inc.Partners for Growth IV, L.P.Security Interest
Feb 5, 2015
Reel 34896, frame 200
Spade Glory LimitedGlobetouch Inc.Release of Security Interest
May 11, 2015
Reel 35624, frame 478
Roamware, Inc.Silicon Valley BankSecurity Interest
Jun 10, 2015
Reel 35872, frame 719
Roamware, Inc.Mobileum, Inc.Change of Name
Jun 10, 2015
Reel 35872, frame 742
Mobileum, Inc.Globetouch, Inc.Assignment of Assignor's Interest
Nov 1, 2016
Reel 40542, frame 941
Silicon Valley BankMobileum, Inc. (Formerly Known as Roamware, Inc.)Release of Security Interest
Nov 1, 2016
Reel 40542, frame 970
Partners for Growth IV, L.P.Mobileum, Inc. (Formerly Known as Roamware, Inc.)Release of Security Interest
Nov 2, 2016
Reel 40545, frame 209
Silicon Valley BankMobileum, 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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