The Patent Finder

Xyleco, Inc.

54 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
29
Ending by 2030
Oct 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 14, 2026
    The maintenance fee for Processing Biomass (US 10,287,730) comes due Nov 14, 2026. Unpaid by May 14, 2027, it lapses early.
  • 1 fee due Jan 30, 2027
    The maintenance fee for Apparatus for providing large amounts of gas to a fermentation broth (US 10,364,412) comes due Jan 30, 2027. Unpaid by Jul 30, 2027, it lapses early.
  • 1 fee due Mar 15, 2027
    The maintenance fee for Processing biomass (US 9,132,407) comes due Mar 15, 2027. Unpaid by Sep 15, 2027, it lapses early.
  • 2 fees due May 3 to 17, 2027 · next May 3
  • 3 fees due Jun 10 to 30, 2027 · next Jun 10
  • 2 fees due Jul 14 to 28, 2027 · next Jul 14
  • 2 fees due Aug 4 to 16, 2027 · next Aug 4
  • 3 fees due Sep 8 to 24, 2027 · next Sep 8
  • 1 fee due Nov 10, 2027
    The maintenance fee for Array for processing materials (US 9,334,518) comes due Nov 10, 2027. Unpaid by May 10, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 4 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 9,023,628Processing Biomass
In force
 · Low confidence
In forceLow confidence
US 9,347,661Processing Biomass
In force
 · Low confidence
In forceLow confidence
US 10,173,994Conversion of Biomass
In force
 · Low confidence
In forceLow confidence
US 7,932,065Processing Biomass
In force
 · Medium confidence
In forceMedium confidence
US 8,168,038Processing Biomass
In force
 · Low confidence
In forceLow confidence
US 10,287,730Processing Biomass
In force
 · Medium confidence
In forceMedium confidence
US 7,867,359Functionalizing cellulosic and lignocellulosic materials
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,052,838Functionalizing cellulosic and lignocellulosic materials
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,063,201Carbohydrates
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,747,624Processing biomass containing materials
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 54 patents shown.
Pro members see all 54.
Pro members: see all 54 patents
Also on record, not counted in the 54: 188 lapsed for an unpaid fee · 16 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.

10 abandoned · 122 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