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US

Balanced Consistent Hashing for Distributed Resource Management

US 8,244,846 In force
OverviewFamilyAssignmentsSources & methods

Term ends Oct 22, 2029 · High confidence

Filed Dec 26, 2007 as application 11/964,264 · Granted Aug 14, 2012
Base term plus 666 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2007 2029
Clock starts
Dec 26, 2007
Term ends
Oct 22, 2029
Granted
Aug 14, 2012
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
666
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.
4
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 666 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 Dec 26, 2007, when this application, 11/964,264, was filedDec 26, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+666 days, USPTO patent term adjustment recordOct 22, 2029High 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 orderOct 22, 2029High confidence

This family

US 8,244,846this patent
Oct 2029
Oct 2029
Application PCT/US2008/088167PCT application
no patent term
no patent term
US 8,032,637In force
Aug 2028
Aug 2028
US 8,060,596Lapsed on the fee record
Nov 2023
Nov 2023
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
Jan 29, 2008
Reel 20433, frame 649
Wong, Kai Chiu; Kumaresan, Bala; Prince, Harold B., JR.Symantec CorporationAssignment of Assignor's Interest
Feb 4, 2016
Reel 37697, frame 412
Symantec CorporationVeritas US IP Holdings LLCAssignment of Assignor's Interest
Feb 23, 2016
Reel 37891, frame 1
Veritas US IP Holdings LLCBank of America, N.A., as Collateral AgentSecurity Interest
Feb 23, 2016
Reel 37891, frame 726
Veritas US IP Holdings LLCWilmington Trust, National Association, as Collateral AgentSecurity Interest
Apr 18, 2016
Reel 38455, frame 752
Veritas US IP Holdings LLC; Veritas Technologies LLCVeritas Technologies LLCMerger and Change of Name
Feb 14, 2020
Reel 51935, frame 228
Symantec CorporationNortonlifelock Inc.Change of Name
Aug 20, 2020
Reel 54370, frame 134
Veritas Technologies LLCWilmington Trust, National Association, as Notes Collateral AgentSecurity Interest
Nov 30, 2020
Reel 54535, frame 814
Wilmington Trust, National Association, as Collateral AgentVeritas US IP Holdings, LLCTermination and Release of Security in Patents at R/F 037891/0726
Nov 25, 2024
Reel 69440, frame 84
Bank of America, N.A., as AssignorAcquiom Agency Services LLC, as AssigneeAssignment of Security Interest in Patent Collateral
Dec 9, 2024
Reel 69548, frame 468
Veritas Technologies LLCArctera US LLCAssignment of Assignor's Interest
Dec 10, 2024
Reel 69563, frame 243
Arctera US LLCBank of America, N.A., as Collateral AgentSecurity Interest
Dec 10, 2024
Reel 69585, frame 150
Arctera US LLCWilmington Trust, National Association, as Collateral AgentPatent Security Agreement
Dec 13, 2024
Reel 69634, frame 584
Wilmington Trust, National Association, as Notes Collateral AgentVeritas Technologies LLCRelease of Security Interest
Dec 16, 2024
Reel 69712, frame 90
Acquiom Agency Services LLC, as Collateral AgentVeritas Technologies LLC (F/K/A Veritas US IP Holdings LLC)Release of Security Interest
Dec 1, 2025
Reel 73833, frame 730
Bank of America, N.A., as Collateral AgentArctera US LLCTermination and Release of Patent Security Agreement at R/F 070530/0497
Dec 1, 2025
Reel 73833, frame 848
Wilmington Trust, National Association, as Collateral AgentArctera US LLCTermination and Release of Patent Security Agreement at R/F 069585/0150
Dec 12, 2025
Reel 73951, frame 470
Arctera US LLCCitibank, N.A., as Collateral AgentSecurity Interest
Feb 4, 2026
Reel 74876, frame 584
Veritas Technologies LLCArctera US LLCCorrective Assignment to Correct the Conveying Party Data and Correct the Patent Numbers Previously Recorded at Reel: 69548 Frame: 468. Assignor(S) Hereby Confirms the Assignment.
Aug 31, 2026
Reel 76336, frame 209
Citibank, N.A., as Collateral AgentArctera US LLCTermination and Release of Security Interest in Patent Rights Reel/Frame 073951/0470

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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