Hemarina

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 2028

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 Jun 29, 2027
The maintenance fee for Use of a Haemoglobin for the Preparation of Dressings and Resulting Dressings (US 9,220,929) comes due Jun 29, 2027. Unpaid by Dec 29, 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 11,103,615	Use of a Haemoglobin for the Preparation of Dressings and Resulting Dressings In force Term ends Jun 10, 2028 · Medium confidence	In force	Term ends Jun 10, 2028	Medium confidence
US 9,220,929	Use of a Haemoglobin for the Preparation of Dressings and Resulting Dressings In force Term ends Dec 29, 2029 · High confidence	In force	Term ends Dec 29, 2029	High confidence
US 11,224,218	Heamoglobin and uses thereof In force Term ends Jul 4, 2030 · From the USPTO record	In force	Term ends Jul 4, 2030	From the USPTO record
US 10,119,110	Bioreactor using oxygen-carrying molecules In force Term ends Nov 14, 2030 · From the USPTO record	In force	Term ends Nov 14, 2030	From the USPTO record
US 9,663,761	Use of annelid haemoglobin for maintaining stem cells in the undifferentiated state In force Term ends Mar 19, 2033 · From the USPTO record	In force	Term ends Mar 19, 2033	From the USPTO record
US 9,861,095	Use of extracellular hemoglobin obtained from the marine worm, Arenicola marina, for the preservation of organs, tissues, cells In force Term ends Nov 18, 2033 · From the USPTO record	In force	Term ends Nov 18, 2033	From the USPTO record
US 12,016,956	Annelid haemoglobin lyophilisation process In force Term ends Sep 19, 2034 · From the USPTO record	In force	Term ends Sep 19, 2034	From the USPTO record
US 10,988,730	Sand worm lyophilisate and uses thereof In force Term ends Dec 30, 2034 · From the USPTO record	In force	Term ends Dec 30, 2034	From the USPTO record

Also on record, not counted in the 8: 2 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.

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.

3 pending · 1 abandoned · 4 no status recorded

List them