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Routine Notice Added Final

Lymphangiogenesis-Promoting Fibroblast Patent Application

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Published March 25th, 2026
Detected April 2nd, 2026
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Summary

The European Patent Office published patent application EP4302771A1 for Lymphogenix Limited, covering a lymphangiogenesis-promoting factor-expressing fibroblast and pharmaceutical composition. The application lists Takahiro Iwamiya as inventor and includes claims related to therapeutic uses for immune disorders and tissue repair.

What changed

The EPO published patent application EP4302771A1 for Lymphogenix Limited, titled 'Lymphangiogenesis Promoting Factor-Expressing Fibroblast, and Pharmaceutical Composition Containing Same.' The application covers engineered fibroblasts expressing lymphangiogenesis-promoting factors and their use in pharmaceutical compositions. IPC classifications indicate applications in immune disorders (A61P 37/04), respiratory conditions (A61P 11/00), edema (A61P 7/10), and cell therapy (C12N 5/071, C12N 5/077).

This is a routine patent publication providing public notice of the application. Affected parties in the biotech and pharmaceutical sectors should review the claims for potential freedom-to-operate implications or licensing opportunities. The designated states cover all current EU member states plus associated countries. No immediate compliance actions are required, but competitors developing similar cell therapy approaches should assess potential patent overlap.

Source document (simplified)

← EPO Patent Bulletin

LYMPHANGIOGENESIS PROMOTING FACTOR-EXPRESSING FIBROBLAST, AND PHARMACEUTICAL COMPOSITION CONTAINING SAME

Publication EP4302771A1 Kind: A1 Mar 25, 2026

Applicants

Lymphogenix Limited

Inventors

IWAMIYA, Takahiro

IPC Classifications

A61K 35/33 20150101AFI20250226BHEP A61P 7/10 20060101ALI20250226BHEP A61P 11/00 20060101ALI20250226BHEP A61P 37/04 20060101ALI20250226BHEP A61P 43/00 20060101ALI20250226BHEP C12N 5/071 20100101ALI20250226BHEP C12N 5/077 20100101ALI20250226BHEP C12N 15/12 20060101ALI20250226BHEP A61P 41/00 20060101ALI20250226BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

View original document →

Named provisions

Lymphangiogenesis Promoting Factor-Expressing Fibroblast Pharmaceutical Composition

Source

Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
EPO
Published
March 25th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP4302771A1

Who this affects

Applies to
Pharmaceutical companies Healthcare providers Medical device makers
Industry sector
3254 Pharmaceutical Manufacturing 3254.1 Biotechnology 6211 Healthcare Providers
Activity scope
Patent Filing Biotechnology Cell Therapy
Geographic scope
European Union EU

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Legal
Topics
Healthcare Intellectual Property

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