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Heterocyclic Sulfonamide Derivatives and Pharmaceutical Uses Thereof

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

The European Patent Office published patent EP3817742A1 for Temmune Therapeutics NV covering heterocyclic sulfonamide derivatives and their pharmaceutical applications. The patent, filed by nine inventors, covers therapeutic uses including cardiovascular, neurological, anti-inflammatory, and immunological conditions. The patent is designated across 31 European contracting states.

What changed

EPO published patent application EP3817742A1 for Temmune Therapeutics NV, covering heterocyclic sulfonamide derivative compounds and their pharmaceutical uses. The patent lists nine inventors (Rogers, Kirby, Shomi, Matsuo, Kobayashi, Kanazawa, Yamaoka, Torizuka, Suzawa) and covers multiple therapeutic categories including cardiovascular (A61P 9/00), neurological (A61P 25/00), anti-inflammatory (A61P 29/00), and immunological (A61P 37/00) applications. Designated states include all major European jurisdictions (DE, FR, GB, IT, ES, NL, etc.).

Pharmaceutical companies developing sulfonamide-based therapeutics should review this patent for potential freedom-to-operate concerns. Generic drug manufacturers or biosimilar developers must assess whether their compounds fall within the scope of these claims. No immediate compliance deadlines apply, but IP clearance searches are advisable for relevant drug development programs.

Source document (simplified)

← EPO Patent Bulletin

HETEROCYCLIC SULFONAMIDE DERIVATIVES AND PHARMACEUTICAL USES THEREOF

Publication EP3817742A1 Kind: A1 Mar 25, 2026

Applicants

Temmune Therapeutics NV

Inventors

ROGERS, Marc, KIRBY, Robert, SHOMI, Gakujun, MATSUO, Takuya, KOBAYASHI, Satoru, KANAZAWA, Junichiro, YAMAOKA, Nobutaka, TORIZUKA, Makoto, SUZAWA, Koichi

IPC Classifications

A61K 31/4164 20060101AFI20200110BHEP A61K 31/4178 20060101ALI20200110BHEP A61P 9/00 20060101ALI20200110BHEP A61P 25/00 20060101ALI20200110BHEP A61P 29/00 20060101ALI20200110BHEP A61P 37/00 20060101ALI20200110BHEP C07D 233/28 20060101ALI20200110BHEP C07D 403/06 20060101ALI20200110BHEP

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

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Classification

Agency
EPO
Published
March 25th, 2026
Instrument
Notice
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
EP3817742A1

Who this affects

Applies to
Pharmaceutical companies Drug manufacturers
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Patent Filing Pharmaceutical Research
Geographic scope
European Union EU

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Pharmaceuticals Healthcare Patents

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