Eirgen Pharma Ltd.

42 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 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.

2 fees due Nov 28, 2026
2 fees due Dec 13 to 30, 2026 · next Dec 13
2 fees due Jan 16 to 23, 2027 · next Jan 16
1 fee due Feb 28, 2027
The maintenance fee for Adjunctive Therapy With 25-Hydroxyvitamin D And Articles Therefor (US 11,738,033) comes due Feb 28, 2027. Unpaid by Aug 30, 2027, it lapses early.
1 fee due Mar 12, 2027
The maintenance fee for Method of Treating Vitamin D Insufficiency and Deficiency (US 11,752,158) comes due Mar 12, 2027. Unpaid by Sep 13, 2027, it lapses early.
1 fee due Apr 27, 2027
The maintenance fee for Water-Insoluble, Iron-Containing Mixed Metal, Granular Material (US 9,168,270) comes due Apr 27, 2027. Unpaid by Oct 27, 2027, it lapses early.
2 fees due Jun 1 to 3, 2027 · next Jun 1
1 fee due Sep 12, 2027
The maintenance fee for Stabilized 1, 25-Dihydroxyvitamin D2 and Method of Making Same (US 11,926,583) comes due Sep 12, 2027. Unpaid by Mar 13, 2028, it lapses early.
1 fee due Oct 19, 2027
The maintenance fee for Method (US 9,314,481) comes due Oct 19, 2027. Unpaid by Apr 19, 2028, 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 10,668,089	Method of Treating and Preventing Secondary Hyperparathyroidism In force Term ends Jun 21, 2027 · High confidence	In force	Term ends Jun 21, 2027	High confidence
US 11,452,734	Method of Treating and Preventing Secondary Hyperparathyroidism In force Term ends Jun 21, 2027 · High confidence	In force	Term ends Jun 21, 2027	High confidence
US 8,207,149	Method for Treating Secondary Hyperparathyroidism in CKD In force Term ends Apr 25, 2028 · High confidence	In force	Term ends Apr 25, 2028	High confidence
US 8,778,373	Methods for Controlled Release Oral Dosage of a Vitamin D Compound In force Term ends Apr 25, 2028 · High confidence	In force	Term ends Apr 25, 2028	High confidence
US 9,408,858	Method for Treating Secondary Hyperparathyroidism in CKD In force Term ends Apr 25, 2028 · High confidence	In force	Term ends Apr 25, 2028	High confidence
US 9,498,486	Method for Controlled Release Oral Dosage of a Vitamin D Compound In force Term ends Apr 25, 2028 · High confidence	In force	Term ends Apr 25, 2028	High confidence
US 9,918,940	Methods for Controlled Release Oral Dosage of a Vitamin D Compound In force Term ends Apr 25, 2028 · High confidence	In force	Term ends Apr 25, 2028	High confidence
US 9,925,147	Method for Treating Secondary Hyperparathyroidism in CKD In force Term ends Apr 25, 2028 · High confidence	In force	Term ends Apr 25, 2028	High confidence
US 11,154,509	Methods for Controlled Release Oral Dosage of a Vitamin D Compound In force Term ends Apr 25, 2028 · High confidence	In force	Term ends Apr 25, 2028	High confidence
US 8,361,488	Methods and Compositions for Controlled Release Oral Dosage of a Vitamin D Compound In force Term ends Jul 19, 2028 · High confidence	In force	Term ends Jul 19, 2028	High confidence

10 of 42 patents shown.

Pro members see all 42.

Pro members: see all 42 patents

Also on record, not counted in the 42: 3 lapsed for an unpaid fee · 5 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.

6 pending · 2 no status recorded

List them