IP Verse

Streptococcus Pneumoniae Capsular Polysaccharides And Conjugates Thereof

Patent No. EP3583947 (titled "Streptococcus Pneumoniae Capsular Polysaccharides And Conjugates Thereof") was filed by Pfizer on Jan 15, 2015. The application was issued on Oct 11, 2023.

Patent Summary

Immunogenic conjugate comprising Streptococcus pneumoniae serotype 15B capsular polysaccharide covalently linked to a carrier protein for preventing pneumococcal infections. The conjugate comprises at least 0.6 mM acetate per mM of the serotype 15B capsular polysaccharide, and is used in a method of preventing infection with serotype 15C Streptococcus pneumoniae, the method comprising administering to a subject an immunogenic amount of the conjugate.

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Patent Family

Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
SANOFI PASTEURJul 11, 2024ZWICKER
SK BIOSCIENCEJul 11, 2024ZWICKER

Dossier Documents

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EP3583947

PFIZER
Application Number
EP19179577A
Filing Date
Jan 15, 2015
Status
Granted And Under Opposition
Sep 8, 2023
Publication Date
Oct 11, 2023
External Links
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