Nucleoside Compound for Feline Infectious Peritonitis, EP4328227A1
Summary
The European Patent Office published application EP4328227A1 on April 15, 2026, covering a nucleoside compound and its therapeutic application in the treatment of Feline Infectious Peritonitis (FIP). The applicant is Vigonvita Life Sciences Co., Ltd., with inventors LEI Yang, CAO Gang, and HU Rong. The application covers C07D 487/04 heterocyclic compounds and is designated across 31 European states including DE, FR, GB, IT, NL, ES, PL, and SE.
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GovPing monitors EPO Patent Bulletin - Organic Chemistry (C07D) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 63 changes logged to date.
What changed
The EPO published EP4328227A1, a patent application for a nucleoside compound and its therapeutic use against Feline Infectious Peritonitis (FIP), a fatal coronavirus disease in cats. The application claims priority under IPC classifications C07D 487/04 (heterocyclic compounds), A61K 31/53 and A61K 31/5377 (pharmaceutical compositions), and A61P 31/14 and A61P 29/00 (antiviral and anti-inflammatory indications). Vigonvita Life Sciences Co., Ltd. is the applicant.
Pharmaceutical and veterinary biotechnology companies engaged in antiviral nucleoside research or FIP therapeutics should monitor this application's prosecution. Competitors developing similar compounds may need to conduct freedom-to-operate analysis in the 31 designated European states once the application proceeds to grant.
Archived snapshot
Apr 25, 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.
NUCLEOSIDE COMPOUND AND APPLICATION THEREOF IN THE TREATMENT OF FELINE INFECTIOUS PERITONITIS
Publication EP4328227A1 Kind: A1 Apr 15, 2026
Applicants
Vigonvita Life Sciences Co., Ltd.
Inventors
LEI, Yang, CAO, Gang, HU, Rong
IPC Classifications
C07D 487/04 20060101AFI20241113BHEP A61K 31/53 20060101ALI20241113BHEP A61K 31/5377 20060101ALI20241113BHEP A61P 31/14 20060101ALI20241113BHEP A61P 29/00 20060101ALI20241113BHEP
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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