The Patent Finder

Microsaic Systems PLC

22 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
10
Ending by 2030
Jun 2027
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 Nov 21, 2026
    The maintenance fee for Method for extracting mass information from low resolution mass-to-charge ratio spectra of multiply charged species (US 10,297,434) comes due Nov 21, 2026. Unpaid by May 21, 2027, it lapses early.
  • 1 fee due Apr 15, 2027
    The maintenance fee for Microengineered skimmer cone for a miniature mass spectrometer (US 10,446,382) comes due Apr 15, 2027. Unpaid by Oct 15, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 3 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.
PatentTitleStatus Expires Confidence
US 7,942,205Secondary oil recovery
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,148,681Microengineered vacuum interface for an ionization system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,823,396Cooling apparatus
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,389,950High performance micro-fabricated quadrupole lens
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,893,407High performance micro-fabricated electrostatic quadrupole lens
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,786,434Microengineered vacuum interface for an ionization system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,960,693Microengineered electrode assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,815,722Planar micromachined valve and thermal desorber
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,269,164Mass spectrometer system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,973,278Microengineered ionisation device
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 22 patents shown.
Pro members see all 22.
Pro members: see all 22 patents
Also on record, not counted in the 22: 12 lapsed for an unpaid fee · 4 ended at full term. 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

Every application published under this name has become a patent.

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