KM Transderm Ltd.

8 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

Jun 2033

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 11, 2026
The maintenance fee for Adhesive sheet for attachment to skin and percutaneous absorption preparation using same (US 10,314,791) comes due Dec 11, 2026. Unpaid by Jun 11, 2027, it lapses early.
1 fee due Apr 17, 2027
The maintenance fee for Transdermally Absorbable Preparation (US 11,786,480) comes due Apr 17, 2027. Unpaid by Oct 18, 2027, 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.

Showing 1 to 8 of 8

Patent	Title	Status	Expires	Confidence
US 10,758,494	Rivastigmine-containing adhesive patch In force Ends no later than Jun 12, 2033 · From the USPTO record	In force	Ends no later than Jun 12, 2033	From the USPTO record
US 9,895,320	Transdermal patch with different viscosity hydrocarbon oils in the drug layer and the adhesive layer In force Term ends Sep 28, 2033 · From the USPTO record	In force	Term ends Sep 28, 2033	From the USPTO record
US 10,314,791	Adhesive sheet for attachment to skin and percutaneous absorption preparation using same In force Term ends Dec 4, 2035 · From the USPTO record	In force	Term ends Dec 4, 2035	From the USPTO record
US 11,786,480	Transdermally Absorbable Preparation In force Term ends Dec 9, 2036 · High confidence	In force	Term ends Dec 9, 2036	High confidence
US 11,992,562	Percutaneous Absorption Preparation for Treating Dementia Comprising Donepezil In force Term ends Feb 23, 2040 · High confidence	In force	Term ends Feb 23, 2040	High confidence
US 12,168,073	Percutaneous absorption preparation comprising stabilized donepezil In force Term ends Nov 12, 2041 · From the USPTO record	In force	Term ends Nov 12, 2041	From the USPTO record
US 12,527,749	Percutaneous Absorption Preparation Comprising Donepezil with Improved Stability In force Term ends Oct 5, 2042 · High confidence	In force	Term ends Oct 5, 2042	High confidence
US 12,459,151	Tool set for manufacturing adhesive patches, method of manufacturing an adhesive patch and adhesive layering In force Term ends Mar 3, 2043 · From the USPTO record	In force	Term ends Mar 3, 2043	From the USPTO record

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.

Export every term end as CSV · Pro

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 no status recorded

List them