Novel Seven-Membered Ring-Fused Compounds - PRISM BioLab Co., Ltd.
Summary
The European Patent Office published patent application EP4508052A1 for PRISM BioLab Co., Ltd., covering novel seven-membered ring-fused compounds with potential therapeutic use for central nervous system disorders. The patent is designated across 31 European states including Germany, France, the United Kingdom, Italy, and Spain.
What changed
The EPO published patent application EP4508052A1 for PRISM BioLab Co., Ltd. covering novel seven-membered ring-fused compounds classified under C07D 487/04 and related pharmaceutical composition classifications. The compounds are indicated for neurological applications under A61P 25/00. The patent application was published April 1, 2026, designating 31 European contracting states.
Affected parties include pharmaceutical companies developing CNS-active compounds, as this patent may restrict freedom to operate in the seven-membered ring-fused compound space in Europe. Competitors should evaluate potential licensing requirements or invest in design-around research to develop non-infringing alternatives.
What to do next
- Monitor for updates on patent grant status
- Assess potential licensing or design-around requirements if developing similar compounds
Archived snapshot
Apr 9, 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.
NOVEL SEVEN-MEMBERED RING-FUSED COMPOUNDS
Publication EP4508052A1 Kind: A1 Apr 01, 2026
Applicants
PRISM BioLab Co., Ltd.
Inventors
KOUJI, Hiroyuki, ODAGAMI, Takenao, HIROSE, Yoichiro, TAKASHIMA, Hajime, HONDA, Eiji, OZAWA, Jun, YOSHIMORI, Atsushi
IPC Classifications
C07D 487/04 20060101AFI20260225BHEP A61K 31/551 20060101ALI20260225BHEP A61P 25/00 20060101ALI20260225BHEP C07D 495/14 20060101ALI20260225BHEP C07D 498/04 20060101ALI20260225BHEP C07D 498/10 20060101ALI20260225BHEP
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, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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Source
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