The Patent Finder

Micrel, Inc.

3 patents currently held · Updated Nov 14, 2026
116 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

1
Ending by 2030
Mar 2029
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
  • 1 fee due Jan 28, 2027
    The maintenance fee for Adaptive Pause Time Energy Efficient Ethernet Phy (US 9,094,197) comes due Jan 28, 2027. Unpaid by Jul 28, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 13 terms have ended since Aug 16, 2026

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Showing 1 to 3 of 3

PatentTitleStatus Expires Confidence
US 7,759,923Current Sensing in a Buck-Boost Switching Regulator Using Integrally Embedded PMOS Devices
In force
 · High confidence
In forceHigh confidence
US 9,094,197Adaptive Pause Time Energy Efficient Ethernet Phy
In force
 · High confidence
In forceHigh confidence
US 9,823,279Current sensing using a metal-on-passivation layer on an integrated circuit die
In force
 · From the USPTO record
In forceFrom the USPTO record
Also on record, not counted in the 3: 116 patents in force now held by others · 63 lapsed for an unpaid fee · 241 ended at full term · 4 surrendered on reissue. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

38 no status recorded

List them

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