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Memory Cell Device and Method of Manufacture

US 8,420,481 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Apr 16, 2025 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Jan 10, 2012 as application 13/346,749 · Granted Apr 16, 2013
Base term, 20 years from filing, plus 7 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 16, 2025
2006 2026
Clock starts
Jul 25, 2006
No longer in force
Apr 16, 2025
Granted
Apr 16, 2013
Term would have run to
Aug 1, 2026
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
7
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Aug 1, 2026: its 20-year base term plus 7 days of term adjustment for prosecution delay. 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 Jul 25, 2006, when application 11/492,305, the earliest non-provisional in its chain, was filed (this one was filed Jan 10, 2012)Jul 25, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+7 days, USPTO patent term adjustment recordAug 1, 2026High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Apr 16, 2025High confidence
Computed term endThe steps above, in orderApr 16, 2025High confidence

This family

US 8,115,282In force
Apr 2029
Apr 2029
US 8,420,481this patent
Apr 2025
Apr 2025
US 8,952,493Lapsed on the fee record
Feb 2019
Feb 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
Oct 8, 2012
Reel 29090, frame 922
Adesto Technologies Corporation; Artemis Acquisition LLCOpus BankSecurity Agreement
Oct 7, 2013
Reel 31371, frame 581
Adesto Technologies Corporation; Artemis Acquisition LLCBridge Bank, National AssociationSecurity Agreement
Oct 15, 2013
reel/frame not recorded
Opus BankAdesto Technologies CorporationRelease of Security Interest
Oct 15, 2013
reel/frame not recorded
Opus BankArtemis Acquisition LLCRelease of Security Interest
Oct 15, 2013
Reel 31414, frame 232
Opus BankAdesto Technologies Corporation; Artemis Acquisition LLCRelease of Security Interest
May 22, 2015
Reel 35754, frame 580
Adesto Technologies Corporation; Artemis Acquisition LLCOpus BankSecurity Interest
Oct 3, 2017
reel/frame not recorded
Western Alliance BankAdesto Technologies CorporationRelease of Security Interest
Oct 3, 2017
reel/frame not recorded
Western Alliance BankArtemis Acquisition LLCRelease of Security Interest
Oct 3, 2017
Reel 44219, frame 610
Western Alliance BankAdesto Technologies Corporation; Artemis Acquisition LLCRelease of Security Interest
May 8, 2018
Reel 46105, frame 731
Adesto Technologies Corporation; Artemis Acquisition LLCObsidian Agency Services, Inc., as Collateral AgentSecurity Interest
May 9, 2019
reel/frame not recorded
Opus BankAdesto Technologies CorporationRelease of Security Interest
May 9, 2019
reel/frame not recorded
Opus BankArtemis Acquisition LLCRelease of Security Interest
May 9, 2019
Reel 49125, frame 970
Opus BankAdesto Technologies Corporation; Artemis Acquisition LLCRelease of Security Interest
Sep 24, 2019
reel/frame not recorded
Obsidian Agency Services, Inc., as Collateral AgentAdesto Technologies CorporationRelease of Security Interest
Sep 24, 2019
reel/frame not recorded
Obsidian Agency Services, Inc., as Collateral AgentArtemis Acquisition LLCRelease of Security Interest
Sep 24, 2019
Reel 50480, frame 836
Obsidian Agency Services, Inc., as Collateral AgentAdesto Technologies Corporation; Artemis Acquisition LLCRelease of Security Interest
Mar 20, 2023
Reel 63118, frame 352
Renesas Design US Inc. (Formerly Known as Dialog Semiconductor US Inc. as Successor-in-Interest to Adesto Technologies Corporation and Artemis Acquisition, LLC)GlobalFoundries U.S. 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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