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Explore patent oppositions filed by Pharmaceutical Works Polpharma 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: Jun 26, 2025
Patent NumberTitleApplicantOpposition Date

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EP1991267Methods Of Treating Inflammatory And Autoimmune Diseases With NatalizumabBIOGEN IDEC MASep 20, 2018
EP2524060Assay For Jc Virus AntibodiesBIOGEN IDEC MAAug 27, 2018
EP2645106Methods And Products For Evaluating An Immune Response To A Therapeutic AgentBIOGEN IDEC MAMar 9, 2018