Paroxysmal nocturnal hemoglobinuria (PNH)
Patent oppositions filed in

Eculizumab is a monoclonal antibody and can be used in the treatment of blood disease paroxysmal nocturnal hemoglobinuria (PNH), neuromyelitis optica spectrum disorder (NMOSD) subject to testing antibody positive for anti-aquaporin-4 (AQP4), hemolytic uremic syndrome (aHUS), and myasthenia gravis.

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Information related to relevant oppositions from around the world.

Patent Oppositions

The table includes oppositions aimed at contesting patents covering this drug. Note that at the country level, several patent applications can cover the same drug.

Please pay attention not only to the patent opposition, but also to the patent application it relates to, see column "Related Patent Application". To better identify similarities, the column "Patent Type" indicates a general classification of the patent. Arguments used to contest a specific type of patent may apply for another that fits in the same category.

CountryDateWho FiledOpposition typeOpposition statusPatent typeRelated patent applicationMore info
Brazil06-08-2021Farmanguinhos FIOCRUZPost-GrantGrantedIndicationBR0708909-0/ US2007006606 / WO 2007/106585View/Comment
Brazil07-08-2021Farmanguinhos FiocruzPost-GrantGrantedIndicationBR12 2017 024057 9 / PCT US2007006606 / WO 2007/106585View/Comment

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