The Patent Finder
Sign in
US

Calibration of Voltage-Controlled Oscillators

US 7,415,369 in-force Microchip Technology Incorporated · Filed May 8, 2007 · Granted Aug 19, 2008

Also listed on Zerog Wireless, Inc., which filed it. The recorded assignments below show how it moved.

Term ends May 8, 2027

Base term, 20y-from-earliest-nonprovisional
Today
20y-from-earliest-nonprovisional
Expires in 8 months
2007 2027
Clock starts
May 8, 2007
Granted
Aug 19, 2008
Term ends
May 8, 2027
base term fee events Computed Sep 1, 2026 · countdowns run from that date · how we know
0
Days of PTA
3
Applications in this family

This patent's term is the statutory base term, with no adjustment for prosecution delay. All three maintenance fees are paid, so nothing but the term itself will end it. Confidence: High. from the record

How this date was computed

Every step shows its rule, its 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, 20y-from-earliest-nonprovisionalClock starts May 8, 2007May 8, 2027High
Continuity chainEvery parent in the chain resolvedno changeHigh
Patent term adjustmentNone on fileno changeHigh
Terminal disclaimer capNone on recordno cap appliedHigh
Patent term extensionNone on fileno changeHigh
Fee events3 of 3 maintenance fees paidin-forceHigh
Computed term endThe steps above, in orderMay 8, 2027High

The computation, verbatim

base=20y-from-earliest-nonprovisional: 2007-05-08+20y | =2027-05-08 | PTA+0d=2027-05-08 | PTE:none | TD:none | paid 4yr@2012-02-21,8yr@2016-02-19,12yr@2020-01-23 | status=in-force@2027-05-08

This family

US 7,415,369this patentMay 2027
US 7,603,244in-forceMay 2027
US 7,728,679in-forceSep 2027

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
May 8, 2007
reel/frame not recorded
Kleveland, Bendik; Lee, Thomas H.; Wang, StanleyZerog Wireless, Inc.Assignment of Assignor's Interest
Mar 14, 2008
reel/frame not recorded
Zerog Wireless, Inc.Silicon Valley BankSecurity Agreement
May 24, 2010
reel/frame not recorded
Zerog Wireless, Inc.AZ1 Acquisition CorporationMerger
May 24, 2010
reel/frame not recorded
AZ1 Acquisition CorporationMicrochip Technology IncorporatedAssignment of Assignor's Interest
Feb 10, 2017
reel/frame not recorded
Microchip Technology IncorporatedJpmorgan 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
Jun 25, 2018
reel/frame not recorded
Atmel Corporation; Microchip Technology Incorporated; Microsemi Corporation; Microsemi Storage Solutions, Inc.; Silicon Storage Technology, 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
Sep 18, 2018
reel/frame not recorded
Atmel Corporation; Microchip Technology Incorporated; Microsemi Corporation; Microsemi Storage Solutions, Inc.; Silicon Storage Technology, Inc.Wells Fargo Bank, National Association, as Notes Collateral AgentSecurity Interest
Apr 24, 2020
reel/frame not recorded
Atmel Corporation; Microchip Technology Inc.; Microsemi Corporation; Microsemi Storage Solutions, Inc.; Silicon Storage Technology, Inc.Jpmorgan Chase Bank, N.A., as Administrative AgentSecurity Interest
May 30, 2020
reel/frame not recorded
Jpmorgan Chase Bank, N.A, as Administrative AgentMicrochip Technology Inc.Release of Security Interest
May 30, 2020
reel/frame not recorded
Jpmorgan Chase Bank, N.A, as Administrative AgentSilicon Storage Technology, Inc.Release of Security Interest
Free plan: 3 watched companies. Pro: unlimited.
alerts on grants, lapses, transfers
Is this your company? Verify this record

What's changing

Citations

2
later US patents cite this one
That is below the median of utility patents granted in 2008 in our data, the only group it is compared against. How we rank
Every date shows its work: base rule, PTA, PTE, disclaimer caps, fee overlay, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
OverviewFamilyAssignmentsSources & methods
CompaniesExpirationsWatchlistMethodology TermsPrivacyCookiesDMCACorrectionssupport@thepatentfinder.com Part of 137 Finder · © 2026 137 Finder LLC · Sources cited