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Write Cache and Write-Hole Recovery in Distributed Raid Over Shared Multi-Queue Storage Devices

US 10,296,486 In force
OverviewFamilyAssignmentsSources & methods

Also listed on E8 Storage Systems Ltd., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Jan 18, 2035 · High confidence

Filed Nov 8, 2017 as application 15/806,355 · Granted May 21, 2019
Base term, 20 years from filing · capped by a resolved terminal disclaimer
Today
20 years from filing
2017 2037
Clock starts
Feb 6, 2017
Term ends
Jan 18, 2035
Granted
May 21, 2019
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.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 9,112,890, US 9,274,720, US 9,521,201, US 9,842,084.
1 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.
2
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 3 maintenance fees is paid so far. 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 6, 2017, when application 15/424,921, the earliest non-provisional in its chain, was filed (this one was filed Nov 8, 2017)Feb 6, 2037High 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 9,112,890, US 9,274,720, US 9,521,201, US 9,842,084)capped to Jan 18, 2035High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 18, 2035High confidence

This family

US 9,842,084In force
Jan 2035
Jan 2035
US 10,296,486this patent
Jan 2035
Jan 2035
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
Nov 8, 2017
Reel 44061, frame 883
Friedman, Alex; Liakhovetsky, Alex; Divinsky, Yoni; Budilovsky, Evgeny; Gonshorovitz, Itay; Pinhas, BarakE8 Storage Systems Ltd.Assignment of Assignor's Interest
Nov 14, 2019
Reel 51014, frame 168
E8 Storage Systems Ltd.Amazon Technologies, Inc.Assignment of Assignor's 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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