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Centralized Status Server for Call Management of Location-Aware Mobile Devices

US 8,838,082 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Feb 14, 2023 (Bank of America, N.A.).

Term ends Jun 13, 2031 · High confidence

Filed Nov 25, 2009 as application 12/626,075 · Granted Sep 16, 2014
Base term plus 565 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2009 2031
Clock starts
Nov 25, 2009
Term ends
Jun 13, 2031
Granted
Sep 16, 2014
base term patent term adjustment fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
565
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.
10
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term runs 565 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 Nov 25, 2009, when this application, 12/626,075, was filedNov 25, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+565 days, USPTO patent term adjustment recordJun 13, 2031High 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 orderJun 13, 2031High confidence

This family

US 8,670,545In force
Sep 2028
Sep 2028
Application PCT/US2008/077683PCT application
no patent term
no patent term
US 8,600,391In force
Nov 2031
Nov 2031
Application PCT/US2009/065036PCT application
no patent term
no patent term
US 8,838,082this patent
Jun 2031
Jun 2031
US 9,258,673In force
Sep 2028
Sep 2028
US 8,213,587In force
Sep 2028
Sep 2028
US 8,548,143In force
no later than Sep 2028
no later than Sep 2028
8 of 10 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
May 4, 2010
Reel 24332, frame 244
Vendrow, Vlad; Young, Bruce; Shah, Praful; Elpiner, Boris; Shmunis, VladimirRingCentral, Inc.Assignment of Assignor's Interest
Oct 18, 2013
Reel 31433, frame 612
RingCentral, Inc.RingCentral, Inc.Merger
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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