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Rituxan Patent Survives Celltrion, Pfizer PTAB Challenges

Law360 (February 22, 2018, 7:26 PM EST) -- The Patent Trial and Appeal Board on Wednesday upheld the validity of a patent covering Biogen Inc. and Genentech Inc.’s rheumatoid arthritis biologic Rituxan, shooting down combined challenges from Celltrion Inc....
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