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US

Flash Memory Apparatus and Storage Management Method for Flash Memory

US 11,916,569 In force
OverviewFamilySources & methods

Term ends Apr 25, 2037 · High confidence

Filed Feb 22, 2022 as application 17/676,853 · Granted Feb 27, 2024
Base term plus 111 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2017 2037
Clock starts
Apr 25, 2017
Term ends
Apr 25, 2037
Granted
Feb 27, 2024
base term 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
111
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 11,323,133.
0 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.
6
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 111 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 3 maintenance fees are 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 Apr 25, 2017, when application 15/495,992, the earliest non-provisional in its chain, was filed (this one was filed Feb 22, 2022)Apr 25, 2037High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+111 days, USPTO patent term adjustment recordAug 14, 2037High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 11,323,133)capped to Apr 25, 2037High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderApr 25, 2037High confidence

This family

US 10,236,908In force
Apr 2037
Apr 2037
US 10,771,091In force
Apr 2037
Apr 2037
US 11,323,133In force
Apr 2037
Apr 2037
US 11,916,569this patent
Apr 2037
Apr 2037
US 12,283,971In force
Apr 2037
Apr 2037
US 12,785,719In force
Apr 2037
Apr 2037
The applications whose file history this site holds. The family may have others.

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