Watersprint AB

7 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

Apr 2034

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 May 21, 2027
The maintenance fee for Monitoring light output from at least one solid-state light source (US 11,821,788) comes due May 21, 2027. Unpaid by Nov 22, 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 7 of 7

Patent	Title	Status	Expires	Confidence
US 9,586,838	Light-emitting diode (LED)-based fluid purification system In force Term ends Apr 15, 2034 · From the USPTO record	In force	Term ends Apr 15, 2034	From the USPTO record
US 12,473,213	Fluid Disinfection Apparatus and Methods In force Term ends May 25, 2038 · Medium confidence	In force	Term ends May 25, 2038	Medium confidence
US 11,821,788	Monitoring light output from at least one solid-state light source In force Ends no later than Sep 25, 2038 · From the USPTO record	In force	Ends no later than Sep 25, 2038	From the USPTO record
US D1,037,479	UV disinfection reactor In force Term ends Jul 30, 2039 · From the USPTO record	In force	Term ends Jul 30, 2039	From the USPTO record
US D1,037,480	UV disinfection reactor In force Term ends Jul 30, 2039 · From the USPTO record	In force	Term ends Jul 30, 2039	From the USPTO record
US 11,473,972	Monitoring light output from at least one solid-state light source In force Term ends Oct 3, 2039 · From the USPTO record	In force	Term ends Oct 3, 2039	From the USPTO record
US 12,485,193	Ultraviolet light emitter In force Term ends Apr 9, 2043 · From the USPTO record	In force	Term ends Apr 9, 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.

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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 no status recorded

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