Avastin Biosimilar Battle: Amgen, Genentech File Dueling Suits

Amgen seeks declaratory judgement that its biosimilar Mvasi does not infringe 27 Genentech patents, has Genentech suit put under seal; Amgen gave 180-day commercial marketing notice on Oct. 6.

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Three weeks after FDA approved Amgen Inc.'s biosimilar to Genentech Inc.'s Avastin (bevacizumab), the companies have launched opposing suits against each other. Amgen is seeking a declaratory judgment that its product Mvasi (bevacizumab-awwb) does not infringe 27 patents related to Avastin while Genentech is claiming infringement.

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