The Patent Finder

SPTS Technologies Limited

102 patents currently held · Updated Nov 15, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
12
Ending by 2030
May 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.
  • 2 fees due Nov 26 to 30, 2026 · next Nov 26
  • 2 fees due Dec 2 to 4, 2026 · next Dec 2
  • 2 fees due Jan 25 to 30, 2027 · next Jan 25
  • 2 fees due Feb 8 to 20, 2027 · next Feb 8
  • 2 fees due Mar 22 to 26, 2027 · next Mar 22
  • 5 fees due Apr 1 to 30, 2027 · next Apr 1
  • 1 fee due Jun 8, 2027
    The maintenance fee for Mass flow control monitoring (US 9,207,139) comes due Jun 8, 2027. Unpaid by Dec 8, 2027, it lapses early.
  • 1 fee due Jul 16, 2027
    The maintenance fee for Method and apparatus for depositing a material (US 11,875,980) comes due Jul 16, 2027. Unpaid by Jan 18, 2028, it lapses early.
  • 2 fees due Aug 6 to 27, 2027 · next Aug 6
  • 1 fee due Sep 24, 2027
    The maintenance fee for Method of deposition (US 10,601,388) comes due Sep 24, 2027. Unpaid by Mar 24, 2028, it lapses early.
  • 2 fees due Oct 14 to 16, 2027 · next Oct 14

Which patents, and when each one lapses · Pro

Recent changes

  • 2 of the patents on this record were granted since Aug 17, 2026
  • 2 terms have ended since Aug 17, 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 8,987,029Protective Thin Films for Use During Fabrication of Semiconductors, MEMS, and Microstructures
In force
 · Low confidence
In forceLow confidence
US 9,972,583Durable, heat-resistant multi-layer coatings and coated articles
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,879,396High aspect ratio performance coatings for biological microfluidics
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,695,775Controlled vapor deposition of biocompatible coatings over surface-treated substrates
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,776,396Controlled vapor deposition of multilayered coatings adhered by an oxide layer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,067,258Protective thin films for use during fabrication of semiconductors, MEMS, and microstructures
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,900,695Durable conformal wear-resistant carbon-doped metal oxide-comprising coating
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,454,805Method of depositing amorphus aluminium oxynitride layer by reactive sputtering of an aluminium target in a nitrogen/oxygen atmosphere
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,257,602Pulsed-continuous etching
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,892,980Apparatus and a Method for Controlling the Depth of Etching During Alternating Plasma Etching of Semiconductor Substrates
In force
 · High confidence
In forceHigh confidence
10 of 102 patents shown.
Pro members see all 102.
Pro members: see all 102 patents
Also on record, not counted in the 102: 3 lapsed for an unpaid fee · 64 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

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.

20 pending · 1 abandoned · 5 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited