The Patent Finder
US

Data Storing Method for Solid State Drive to Preserve Data Integrity After Power Failure

US 8,909,986 In force
OverviewAssignmentsSources & methods

Also listed on Lite-on IT Corporation, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Apr 2, 2033 · High confidence

Filed Sep 11, 2012 as application 13/610,014 · Granted Dec 9, 2014
Base term plus 203 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2012 2033
Clock starts
Sep 11, 2012
Term ends
Apr 2, 2033
Granted
Dec 9, 2014
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
203
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.

This patent's term runs 203 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 Sep 11, 2012, when this application, 13/610,014, was filedSep 11, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+203 days, USPTO patent term adjustment recordApr 2, 2033High 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 orderApr 2, 2033High confidence

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
Sep 11, 2012
Reel 28938, frame 902
Huang, Chih-wei; Fan, Gang-mingLite-on IT CorporationAssignment of Assignor's Interest
May 14, 2014
Reel 32892, frame 554
Lite-on IT Corp.Lite-on Technology CorporationAssignment of Assignor's Interest
Dec 9, 2019
Reel 51213, frame 875
Lite-on Technology CorporationSolid State Storage Technology CorporationAssignment 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited