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Routine Notice Added Final

Gamma-hydroxybutyrate compositions having improved fed-state pharmacokinetics

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

The European Patent Office published patent application EP3930702A1 by Flamel Ireland Limited for gamma-hydroxybutyrate compositions with improved pharmacokinetic properties in the fed state. The patent covers therapeutic formulations and is classified under A61P 43/00 (therapeutic activity). This routine patent publication provides intellectual property protection for the disclosed pharmaceutical compositions.

What changed

EPO published patent EP3930702A1 for Flamel Ireland Limited, inventors Grassot, Grangeon, and Dubow, covering gamma-hydroxybutyrate compositions designed for improved pharmacokinetic properties when administered with food. The application is classified under A61K 31/197, A61K 9/00, A61P 43/00, and A61K 31/19, with designated states including all major European Economic Area countries.

Pharmaceutical companies developing sodium oxybate or related formulations should review this patent for freedom-to-operate implications. While patent publications do not impose compliance obligations, companies in the GHB therapeutic space should assess whether their products fall within the scope of these claims. No immediate regulatory action is required.

Source document (simplified)

← EPO Patent Bulletin

GAMMA-HYDROXYBUTYRATE COMPOSITIONS HAVING IMPROVED PHARMACOKINETICS IN THE FED STATE

Publication EP3930702A1 Kind: A1 Mar 25, 2026

Applicants

Flamel Ireland Limited

Inventors

GRASSOT, Julien, GRANGEON, Cendrine, DUBOW, Jordan

IPC Classifications

A61K 31/197 20060101AFI20200911BHEP A61K 9/00 20060101ALI20200911BHEP A61P 43/00 20060101ALI20200911BHEP A61K 31/19 20060101ALI20200911BHEP

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
EP3930702A1

Who this affects

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

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Legal
Topics
Healthcare Intellectual Property

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