Changeflow GovPing Pharma & Drug Safety FGFR3 Antagonist for Skeletal Disorders Treatment
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FGFR3 Antagonist for Skeletal Disorders Treatment

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Summary

The USPTO published patent application US20260091033A1 for an FGFR3 antagonist for treating skeletal disorders linked to abnormal FGFR3 activation. The application, filed by inventors LEGEAI-MALLET, MUNNICH, BUSCA, and BARBAULT on January 15, 2025, covers compositions and methods for treatment. This publication represents a new patent application and creates no immediate compliance obligations for industry.

What changed

The USPTO published a patent application for an FGFR3 (fibroblast growth factor receptor 3) antagonist composition for use in treating or preventing skeletal disorders associated with abnormal FGFR3 activation. The application (No. 19021632) covers pharmaceutical compositions, methods of treatment, and uses of the antagonist for conditions including achondroplasia and other FGFR3-related skeletal dysplasias. Named inventors include Laurence LEGEAI-MALLET, Arnold MUNNICH, Patricia BUSCA, and Florent BARBAULT. \n\nPatent applications do not create compliance obligations. Pharmaceutical companies and researchers developing FGFR3-targeted therapies should monitor this application through the USPTO prosecution process. No action is required at this time—this document is informational, marking the publication of a pending application rather than a granted patent or regulatory requirement.

Archived snapshot

Apr 3, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

← USPTO Patent Applications

ANTAGONIST OF THE FIBROBLAST GROWTH FACTOR RECEPTOR 3 (FGFR3) FOR USE IN THE TREATMENT OR THE PREVENTION OF SKELETAL DISORDERS LINKED WITH ABNORMAL ACTIVATION OF FGFR3

Application US20260091033A1 Kind: A1 Apr 02, 2026

Inventors

Laurence LEGEAI-MALLET, Arnold MUNNICH, Patricia BUSCA, Florent BARBAULT

Abstract

The present invention relates to the treatment or prevention of skeletal disorders, in particular skeletal diseases, developed by patients that display abnormal increased activation of the fibroblast growth factor receptor 3 (FGFR3), in particular by expression of a constitutively activated mutant of FGFR3.

CPC Classifications

A61K 31/506 A61K 31/519 A61K 38/177 A61K 38/179 B29C 48/0017 B29C 48/022 B32B 27/302 C08J 5/18 C08L 25/06 C08L 51/04 B29K 2025/06 B29K 2035/00 B29K 2201/00 B29L 2031/712 B32B 2262/06 B32B 2270/00 B32B 2439/70 C08J 2325/06 C08J 2401/00 C08J 2401/02 C08J 2425/06 C08J 2425/08 C08J 2447/00 C08L 2203/30 C08L 2205/02 C08L 2205/025 C08L 2205/03 C08L 2205/035 C08L 2205/16

Filing Date

2025-01-15

Application No.

19021632

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Named provisions

Abstract CPC Classifications

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Last updated

Classification

Agency
USPTO
Published
April 2nd, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Draft
Change scope
Minor
Document ID
US20260091033A1

Who this affects

Applies to
Pharmaceutical companies Healthcare providers
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Drug Development
Geographic scope
United States US

Taxonomy

Primary area
Healthcare
Operational domain
Legal
Topics
Pharmaceuticals Intellectual Property

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