The Patent Finder

Synedgen, Inc.

20 patents currently held · Updated Nov 15, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
6
Ending by 2030
Jan 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 Feb 8, 2027
    The maintenance fee for Methods and Compositions for Treating Wounds Utilizing Chitosan Compounds (US 11,717,532) comes due Feb 8, 2027. Unpaid by Aug 9, 2027, it lapses early.
  • 1 fee due Apr 17, 2027
    The maintenance fee for Methods and Compositions for Disrupting Biofilm Utilizing Chitosan-Derivative Compounds (US 11,786,547) comes due Apr 17, 2027. Unpaid by Oct 18, 2027, it lapses early.
  • 1 fee due Aug 27, 2027
    The maintenance fee for Derivatized Chitosan Polymers and Methods of Treating Vascular Disorders (US 11,911,412) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.
  • 1 fee due Oct 16, 2027
    The maintenance fee for Compositions and Methods of Use Thereof (US 11,957,707) comes due Oct 16, 2027. Unpaid by Apr 17, 2028, it lapses early.
  • 1 fee due Nov 7, 2027
    The maintenance fee for Methods for treatment or prevention of damage resulting from radiation, trauma or shock (US 11,975,018) comes due Nov 7, 2027. Unpaid by May 8, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

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 8,119,780Chitosan-Derivative Compounds and Methods of Controlling Microbial Populations
In force
 · High confidence
In forceHigh confidence
US 9,029,351Chitosan-Derivative Compounds and Methods of Controlling Microbial Populations
In force
 · Medium confidence
In forceMedium confidence
US 9,732,164Chitosan-Derivative Compounds and Methods of Controlling Microbial Populations
In force
 · High confidence
In forceHigh confidence
US 8,916,542Chitosan Derivatives, Compositions and Related Methods of Use
In force
 · High confidence
In forceHigh confidence
US 11,786,547Methods and Compositions for Disrupting Biofilm Utilizing Chitosan-Derivative Compounds
In force
 · Medium confidence
In forceMedium confidence
US 12,465,616Methods and compositions for disrupting biofilm utilizing chitosan-derivative compounds
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,012,429Methods and Compositions for the Prevention of and Treatment of Infections Utilizing Chitosan-Derivative Compounds
In force
 · High confidence
In forceHigh confidence
US 11,717,532Methods and Compositions for Treating Wounds Utilizing Chitosan Compounds
In force
 · Medium confidence
In forceMedium confidence
US 9,439,925Methods and compositions for treating wounds utilizing chitosan compounds
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,022,393Methods for treatment or prevention of damage resulting from radiation, trauma or shock
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 20 patents shown.
Pro members see all 20.
Pro members: see all 20 patents
Also on record, not counted in the 20: 4 lapsed for an unpaid fee. 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.

2 pending · 6 abandoned · 9 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