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US

Method for Implementing Error-Correction Codes in Flash Memory

US 7,783,955 In force
OverviewFamilyAssignmentsSources & methods

Also listed on SanDisk, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends May 20, 2028 · High confidence

Filed Apr 3, 2006 as application 11/395,223 · Granted Aug 24, 2010
Base term plus 778 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2028
Clock starts
Apr 3, 2006
Term ends
May 20, 2028
Granted
Aug 24, 2010
base term patent term adjustment 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
778
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.
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 runs 778 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 Apr 3, 2006, when this application, 11/395,223, was filedApr 3, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+778 days, USPTO patent term adjustment recordMay 20, 2028High 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 orderMay 20, 2028High confidence

This family

US 7,783,955this patent
May 2028
May 2028
US 7,992,071Lapsed on the fee record
Aug 2019
Aug 2019
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
Apr 3, 2006
Reel 17724, frame 397
Murin, MarkM-Systems Flash Disk Pioneers Ltd.Assignment of Assignor's Interest
Nov 6, 2008
Reel 21799, frame 647
M-Systems Flash Disk Pioneers Ltd.Msystems Ltd.Change of Name
Nov 12, 2008
Reel 21825, frame 11
Msystems Ltd.SanDisk Il Ltd.Change of Name
Aug 21, 2020
Reel 53574, frame 513
SanDisk Il Ltd.Western Digital Israel Ltd.Change of Name
Jun 10, 2025
Reel 71587, frame 836
Western Digital Israel Ltd.SanDisk Israel Ltd.Change of Name

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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