The Patent Finder

KHN Solutions, Inc.

59 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 3 name spellings.

7
Ending by 2030
May 2028
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 Jan 7 to 16, 2027 · next Jan 7
  • 1 fee due May 24, 2027
    The maintenance fee for Method and System for Monitoring Intoxication (US 9,192,334) comes due May 24, 2027. Unpaid by Nov 24, 2027, it lapses early.
  • 2 fees due Jul 9 to 23, 2027 · next Jul 9
  • 1 fee due Aug 2, 2027
    The maintenance fee for Method and System for Remotely Monitoring Intoxication (US 9,250,228) comes due Aug 2, 2027. Unpaid by Feb 2, 2028, it lapses early.
  • 1 fee due Oct 28, 2027
    The maintenance fee for Wearable system and method for monitoring intoxication (US 10,631,767) comes due Oct 28, 2027. Unpaid by Apr 28, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 of the patents on this record was granted 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 D705,100Breathalyzer
In force
 · From the USPTO record
In forceFrom the USPTO record
US D710,223Breathalyzer
In force
 · From the USPTO record
In forceFrom the USPTO record
US D724,980Breathalyzer
In force
 · From the USPTO record
In forceFrom the USPTO record
US D727,763Breathalyzer
In force
 · From the USPTO record
In forceFrom the USPTO record
US D727,764Breathalyzer
In force
 · From the USPTO record
In forceFrom the USPTO record
US D744,881Breathalyzer
In force
 · From the USPTO record
In forceFrom the USPTO record
US D749,970Breathalyzer
In force
 · From the USPTO record
In forceFrom the USPTO record
US D782,927Breathalyzer
In force
 · From the USPTO record
In forceFrom the USPTO record
US D834,974Breathalyzer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,878,669Method and System for Monitoring Intoxication
In force
 · High confidence
In forceHigh confidence
10 of 59 patents shown.
Pro members see all 59.
Pro members: see all 59 patents
Also on record, not counted in the 59: 2 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.

4 pending · 2 abandoned · 3 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