Archive for November 2022

PTAB Upholds Pfizer’s Patent Claims on Gene Therapy for Hemophilia B

In a win for Pfizer, the Patent Trial and Appeal Board (PTAB) has declared that EtranaDez (etranacogene dezaparvovec), CSL Behring’s investigational gene therapy developed by uniQure for hemophilia B, isn’t unique at all, but merely a tweak of Pfizer’s patented method to increase clotting factor IX with adenovirus-delivered genetic codes. Source: Drug Industry Daily

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