Explore patent oppositions filed by Sanofi Pasteur Incsanofi Aventis Deutschland Gmbhsanofi Winthrop Industries against competitors, revealing strategic technology disputes and market positioning. Monitor opposition details, timelines, and disputed innovations to understand competitive dynamics and IP enforcement strategy.

Last updated on: Aug 21, 2025
Patent NumberTitleApplicantOpposition Date

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Formulations Which Stabilize And Inhibit Precipitation Of Immunogenic CompositionsWYETHOct 2, 2019
Pneumococcal Polysaccharide Conjugate VaccineGLAXOSMITHKLINEAug 6, 2019
Conjugation Process Of Bacterial Polysaccharides To Carrier ProteinsGLAXOSMITHKLINEFeb 28, 2018