The Patent Finder
US

Method and Apparatus to Prevent High Voltage Supply Degradation for High-Voltage Latches of a Non-Volatile Memory

US 7,369,446 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Jul 13, 2026 · High confidence

Filed Jul 13, 2006 as application 11/457,377 · Granted May 6, 2008
Base term, 20 years from filing
Today
20 years from filing
Term ended Jul 13, 2026
2006 2026
Clock starts
Jul 13, 2006
Term ended
Jul 13, 2026
Granted
May 6, 2008
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
None
Term adjustment
No prosecution delay on this record.
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.
3
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. All three maintenance fees were paid, so no fee lapse ended it. 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 13, 2006, when this application, 11/457,377, was filedJul 13, 2026High 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 events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderJul 13, 2026High confidence

This family

US 7,369,446this patent
Jul 2026
Jul 2026
Application PCT/US2007/071941PCT application
no patent term
no patent term
US 7,751,256In force
Nov 2026
Nov 2026
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
Sep 26, 2006
Reel 18307, frame 134
Chan, Johnny; Son, JinshuAtmel CorporationAssignment of Assignor's Interest
Jan 3, 2014
Reel 31912, frame 173
Atmel CorporationMorgan Stanley Senior Funding, Inc. as Administrative AgentPatent Security Agreement
Apr 7, 2016
Reel 38376, frame 1
Morgan Stanley Senior Funding, Inc.Atmel CorporationTermination and Release of Security Interest in Patent Collateral
Feb 10, 2017
Reel 41715, frame 747
Atmel CorporationJPMorgan Chase Bank, N.A., as Administrative AgentSecurity Interest
Jun 25, 2018
Reel 46426, frame 1
Microchip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc.JPMorgan Chase Bank, N.A., as Administrative AgentSecurity Interest
Sep 18, 2018
Reel 47103, frame 206
Microchip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc.Wells Fargo Bank, National Association, as Notes Collateral AgentSecurity Interest
Dec 21, 2019
Reel 51398, frame 809
JPMorgan Chase Bank, N.A., as Administrative AgentMicrochip Technology Incorporated; Atmel CorporationRelease of Security Interest
Dec 21, 2019
Reel 51398, frame 827
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrochip Technology Incorporated; Atmel CorporationRelease of Security Interest
Dec 21, 2019
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentMicrochip Technology IncorporatedRelease of Security Interest
Dec 21, 2019
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentAtmel CorporationRelease of Security Interest
Dec 21, 2019
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrochip Technology IncorporatedRelease of Security Interest
Dec 21, 2019
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentAtmel CorporationRelease of Security Interest
Feb 4, 2020
Reel 51799, frame 956
Microchip Technology Inc.; Atmel Corporation; Microsemi CorporationSonrai Memory LimitedAssignment of Assignor's Interest
Feb 25, 2022
Reel 59333, frame 222
JPMorgan Chase Bank, N.A., as Administrative AgentMicrochip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc.Release of Security Interest
Feb 25, 2022
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentMicrochip Technology IncorporatedRelease of Security Interest
Feb 25, 2022
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentSilicon Storage Technology, Inc.Release of Security Interest
Feb 25, 2022
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentAtmel CorporationRelease of Security Interest
Feb 25, 2022
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentMicrosemi CorporationRelease of Security Interest
Feb 25, 2022
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentMicrosemi Storage Solutions, Inc.Release of Security Interest
Feb 28, 2022
Reel 59262, frame 105
JPMorgan Chase Bank, N.A., as Administrative AgentAtmel CorporationRelease of Security Interest
Mar 9, 2022
Reel 59358, frame 1
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrochip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc.Release of Security Interest
Mar 9, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrochip Technology IncorporatedRelease of Security Interest
Mar 9, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentSilicon Storage Technology, Inc.Release of Security Interest
Mar 9, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentAtmel CorporationRelease of Security Interest
Mar 9, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrosemi CorporationRelease of Security Interest
Mar 9, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrosemi Storage Solutions, Inc.Release of Security Interest
Mar 9, 2024
Reel 66778, frame 178
Sonrai Memory LimitedNera Innovations LimitedAssignment 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