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US

Multi-Level Semiconductor Memory Device and Structure

US 10,418,369 In force (reinstated)
OverviewFamilyAssignmentsSources & methods

Term ends Oct 24, 2036 · High confidence

Filed May 26, 2018 as application 15/990,611 · Granted Sep 17, 2019
Base term, 20 years from filing
Today
20 years from filing
2016 2036
Clock starts
Oct 24, 2016
Term ends
Oct 24, 2036
Granted
Sep 17, 2019
base term 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.
None
Terminal disclaimer
No disclaimer on this record.
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.
42
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. 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 Oct 24, 2016, when application 15/333,138, the earliest non-provisional in its chain, was filed (this one was filed May 26, 2018)Oct 24, 2036High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn force (reinstated)High confidence
Computed term endThe steps above, in orderOct 24, 2036High confidence

This family

US 9,721,927Lapsed on the fee record
Aug 2025
Aug 2025
Application PCT/US2016/052726PCT application
no patent term
no patent term
US 10,014,318Lapsed on the fee record
Jul 2026
Jul 2026
US 9,953,994In force
Nov 2036
Nov 2036
US 10,381,328In force (reinstated)
Apr 2036
Apr 2036
US 10,297,599In force
Nov 2036
Nov 2036
US 10,515,981In force (reinstated)
Sep 2036
Sep 2036
US 10,418,369this patent
Oct 2036
Oct 2036
8 of 42 applications in this family shown, earliest filings first. 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
Jul 20, 2018
Reel 46410, frame 782
Or-bach, Zvi; Han, Jin-wooMonolithic 3D 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.

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