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Therapeutic composition for inflammatory gastrointestinal disorders

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Published March 25th, 2026
Detected April 1st, 2026
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Summary

The European Patent Office published patent application EP3804733A1 by Sumitomo Seika Chemicals Co., Ltd. and Kyoto Prefectural Public University Corporation, covering a therapeutic composition for treating inflammatory gastrointestinal disorders. The patent claims priority to IPC classifications including A61K 33/00, A61K 9/08, and A61P 1/04, with designated states covering all EU member states plus other EP contracting states.

What changed

The EPO granted patent EP3804733A1 to Sumitomo Seika Chemicals Co., Ltd. for a composition for treating inflammatory gastrointestinal disorders. The patent covers the therapeutic formulation and its medical application. Inventors include TAKAGI, Tomohisa, NAITO, Yuji, MIURA, Katsura, and SAKAUE, Shigeki. The designation extends to all EU contracting states including Germany, France, the United Kingdom, Italy, Spain, and other European Patent Convention members.

Organizations developing competing therapeutic compositions for inflammatory GI disorders should conduct patent freedom-to-operate analyses to avoid potential infringement. This publication does not impose regulatory compliance obligations but represents intellectual property that may affect competitive dynamics in the pharmaceutical space.

Source document (simplified)

← EPO Patent Bulletin

COMPOSITION FOR INFLAMMATORY GASTROINTESTINAL DISORDERS

Publication EP3804733A1 Kind: A1 Mar 25, 2026

Applicants

Sumitomo Seika Chemicals Co., Ltd., Kyoto Prefectural Public University Corporation

Inventors

TAKAGI, Tomohisa, NAITO, Yuji, MIURA, Katsura, SAKAUE, Shigeki

IPC Classifications

A61K 33/00 20060101AFI20220207BHEP A61K 9/08 20060101ALI20220207BHEP A61K 47/14 20170101ALI20220207BHEP A61P 1/04 20060101ALI20220207BHEP

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 →

Classification

Agency
EPO
Published
March 25th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP3804733A1

Who this affects

Applies to
Pharmaceutical companies Healthcare providers Patients
Industry sector
3254 Pharmaceutical Manufacturing
Geographic scope
European Union EU

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Healthcare Pharmaceuticals

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