Otsuka Injectable Preparation, European Patent EP3539534A1
Summary
European Patent Office published application EP3539534A1 for Otsuka Pharmaceutical Co., Ltd. on April 15, 2026. The injectable preparation patent covers therapeutic applications classified under A61P 25/18 (psychiatric disorders) and A61P 25/24 (neurological conditions), designated across all EU member states including Germany, France, and the United Kingdom.
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GovPing monitors EPO Patent Bulletin - Therapeutics (A61P) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 17 changes logged to date.
What changed
European Patent Office published patent application EP3539534A1 for Otsuka Pharmaceutical Co., Ltd., covering an injectable preparation with therapeutic applications in psychiatric disorders (A61P 25/18) and neurological conditions (A61P 25/24). The application was filed with search report and is designated across all EU member states.
Pharmaceutical manufacturers and investors in CNS therapeutic development should note the IPC classifications A61K 31/496 (pipecolic acid derivatives) combined with A61K 9/06 (injectable preparations), which define the formulation and therapeutic scope. Patent grants provide market exclusivity within designated territories for the 20-year term from filing.
Archived snapshot
Apr 22, 2026GovPing 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.
INJECTABLE PREPARATION
Publication EP3539534A1 Kind: A1 Apr 15, 2026
Applicants
Otsuka Pharmaceutical Co., Ltd.
Inventors
Kaneko, Daiki, Matsuda, Takakuni, Hoshika, Yusuke
IPC Classifications
A61K 9/06 20060101AFI20190814BHEP A61K 47/10 20170101ALI20190814BHEP A61K 47/32 20060101ALI20190814BHEP A61K 47/38 20060101ALI20190814BHEP A61K 31/496 20060101ALI20190814BHEP A61P 25/18 20060101ALI20190814BHEP A61P 25/24 20060101ALI20190814BHEP
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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