Last Updated: September 2, 2026

Patent: 11,241,495

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Summary for Patent: 11,241,495

Title:	Immunogenic composition
Abstract:	The present application discloses an immunogenic composition comprising N. meningitidis capsular polysaccharides from at least one of serogroups A, C, W135 and Y conjugated to a carrier protein to produce a N. meningitidis capsular polysaccharide conjugate, wherein the average size of each N. meningitidis polysaccharide is above 50 kDa.
Inventor(s):	Ralph Leon Biemans, Dominique Boutriau, Carine Capiau, Philippe Denoel, Pierre Duvivier, Jan Poolman
Assignee:	GlaxoSmithKline Biologicals SA
Application Number:	US16/179,476
Patent Claims:	see list of patent claims

Details for Patent 11,241,495

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Pfizer Ireland Pharmaceuticals Unlimited Company	PENBRAYA	meningococcal groups a, b, c, w, and y vaccine	Injection	125770	October 20, 2023	11,241,495	2038-11-02
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

International Patent Family for US Patent 11,241,495

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Country	Patent Number	Estimated Expiration
African Regional IP Organization (ARIPO)	2436	⤷ Start Trial
Argentina	053935	⤷ Start Trial
Argentina	056396	⤷ Start Trial
Argentina	056397	⤷ Start Trial
Austria	E462444	⤷ Start Trial
Austria	E516816	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration

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