Covalon Technologies Inc.

17 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

May 2027

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 Dec 20, 2026
The maintenance fee for Reactors for Coating Devices and Related Systems and Methods (US 11,679,409) comes due Dec 20, 2026. Unpaid by Jun 21, 2027, it lapses early.
1 fee due May 26, 2027
The maintenance fee for Method for local reduction of microbial skin flora (US 10,485,892) comes due May 26, 2027. Unpaid by Nov 26, 2027, it lapses early.
1 fee due Jun 10, 2027
The maintenance fee for Antimicrobial Silicone-Based Wound Dressings (US 10,500,173) comes due Jun 10, 2027. Unpaid by Dec 10, 2027, 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.

Patent	Title	Status	Expires	Confidence
US 8,361,501	Non-Adhesive Elastic Gelatin Matrices In force Ends no later than May 18, 2027 · Medium confidence	In force	Ends no later than May 18, 2027	Medium confidence
US 8,877,256	Antimicrobial Photo-Stable Coating Composition In force Term ends Feb 9, 2030 · High confidence	In force	Term ends Feb 9, 2030	High confidence
US 10,500,173	Antimicrobial Silicone-Based Wound Dressings In force Term ends Jun 17, 2031 · High confidence	In force	Term ends Jun 17, 2031	High confidence
US 10,933,035	Antimicrobial Silicone-Based Wound Dressings In force Term ends Jun 17, 2031 · High confidence	In force	Term ends Jun 17, 2031	High confidence
US 8,746,168	System and Method for Coating Medical Devices In force Term ends Jun 24, 2031 · Medium confidence	In force	Term ends Jun 24, 2031	Medium confidence
US 8,967,077	System and Method for Coating Medical Devices In force Ends no later than Jun 24, 2031 · Medium confidence	In force	Ends no later than Jun 24, 2031	Medium confidence
US 8,920,886	System and Method for Coating Medical Devices In force Ends no later than May 19, 2032 · Medium confidence	In force	Ends no later than May 19, 2032	Medium confidence
US 8,697,112	Method for Treating a Surface with a Coating Comprising a Microencapsulated Therapeutic Agent and Device with Treated Surface In force Term ends Jul 6, 2032 · High confidence	In force	Term ends Jul 6, 2032	High confidence
US 10,660,798	Devices for Protecting Vulnerable Sites on Patients from Liquid Contamination and Related Devices, Systems, and Methods In force Term ends Jan 29, 2035 · High confidence	In force	Term ends Jan 29, 2035	High confidence
US 10,485,892	Method for local reduction of microbial skin flora In force Term ends Mar 9, 2036 · From the USPTO record	In force	Term ends Mar 9, 2036	From the USPTO record

10 of 17 patents shown.

Pro members see all 17.

Pro members: see all 17 patents

Also on record, not counted in the 17: 4 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.

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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.

1 pending · 1 abandoned · 1 no status recorded

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