Biotest AG

13 patents currently held · Updated Nov 14, 2026

3 more in force are now held by other companies

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

Ending by 2030

Apr 2031

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 Apr 10, 2027
The maintenance fee for Methods of Treating Viral Infections by Administering an Antibody Preparation Comprising Igg, Iga and Igm (US 11,780,909) comes due Apr 10, 2027. Unpaid by Oct 12, 2027, it lapses early.
1 fee due Jul 26, 2027
The maintenance fee for Process for Preparing an Immunoglobulin Composition (US 9,243,056) comes due Jul 26, 2027. Unpaid by Jan 26, 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 8,900,806	Antibody Preparations In force Term ends Apr 21, 2031 · High confidence	In force	Term ends Apr 21, 2031	High confidence
US 9,243,056	Process for Preparing an Immunoglobulin Composition In force Term ends Apr 21, 2031 · High confidence	In force	Term ends Apr 21, 2031	High confidence
US 9,518,110	Antibody Preparations In force Term ends Apr 21, 2031 · High confidence	In force	Term ends Apr 21, 2031	High confidence
US 10,059,759	Antibody Preparations In force Term ends Apr 21, 2031 · High confidence	In force	Term ends Apr 21, 2031	High confidence
US 10,954,290	IgG, IgA and IgM Antibody Preparations, Method of Making and Method of Use in Treatment In force Term ends Aug 27, 2031 · High confidence	In force	Term ends Aug 27, 2031	High confidence
US 11,780,909	Methods of Treating Viral Infections by Administering an Antibody Preparation Comprising Igg, Iga and Igm In force Term ends Jan 22, 2032 · High confidence	In force	Term ends Jan 22, 2032	High confidence
US 10,918,715	Treatment of severe community acquired pneumonia In force Term ends Mar 13, 2037 · From the USPTO record	In force	Term ends Mar 13, 2037	From the USPTO record
US 11,517,621	Treatment of severe community acquired pneumonia In force Ends no later than Mar 13, 2037 · From the USPTO record	In force	Ends no later than Mar 13, 2037	From the USPTO record
US 12,186,391	Treatment of severe community acquired pneumonia In force Term ends Jun 17, 2037 · From the USPTO record	In force	Term ends Jun 17, 2037	From the USPTO record
US 11,325,964	Process for Preparing Immunoglobulin Compositions In force Term ends Jul 11, 2038 · High confidence	In force	Term ends Jul 11, 2038	High confidence

10 of 13 patents shown.

Pro members see all 13.

Pro members: see all 13 patents

Also on record, not counted in the 13: 3 patents in force now held by others · 20 lapsed for an unpaid fee · 31 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 · 13 no status recorded

List them