Prime Bio, Inc.

8 patents currently held · Updated Nov 15, 2026

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

Ending by 2030

Mar 2036

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 Oct 16, 2027
The maintenance fee for Complex of botulinum neurotoxin E and its binding protein as a formulation with enhanced potency (US 11,957,740) comes due Oct 16, 2027. Unpaid by Apr 17, 2028, it lapses early.

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Recent changes

1 of the patents on this record was granted since Aug 17, 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.

Showing 1 to 8 of 8

Patent	Title	Status	Expires	Confidence
US 12,233,119	Composition for oral or nasal delivery of tetanus, diphtheria, and pertussis vaccine alone or in combination using neurotoxin associated proteins In force Term ends Mar 9, 2036 · From the USPTO record	In force	Term ends Mar 9, 2036	From the USPTO record
US 11,771,752	Composition for Oral or Nasal Delivery of Tetanus, Diphtheria, and Pertussis Vaccine alone or in combination using Neurotoxin Associated Proteins In force Term ends Apr 23, 2036 · High confidence	In force	Term ends Apr 23, 2036	High confidence
US 11,040,090	Botulinum neurotoxin compositions In force Term ends Dec 8, 2036 · From the USPTO record	In force	Term ends Dec 8, 2036	From the USPTO record
US 11,389,497	Pharmaceutical composition for treating cancer In force Term ends Apr 16, 2040 · From the USPTO record	In force	Term ends Apr 16, 2040	From the USPTO record
US 12,528,843	Pharmaceutical Composition Comprising P80 Protein In force Term ends Jan 12, 2041 · High confidence	In force	Term ends Jan 12, 2041	High confidence
US 11,957,740	Complex of botulinum neurotoxin E and its binding protein as a formulation with enhanced potency In force Term ends Jul 22, 2041 · From the USPTO record	In force	Term ends Jul 22, 2041	From the USPTO record
US 12,194,090	Tetanus Vaccine Platform for Embedding COVID-19 Vaccine In force Term ends Jul 30, 2041 · High confidence	In force	Term ends Jul 30, 2041	High confidence
US 12,742,784	Method for the Detection of Clostridium Neurotoxins Using a Chimeric Substrate Fusion Protein In force Term ends Jun 22, 2045 · High confidence	In force	Term ends Jun 22, 2045	High confidence

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.

2 pending · 2 abandoned · 2 no status recorded

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