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PTAB institutes aflibercept challenges

Jan 20, 2023

PTAB instituted two IPR petitions filed by Mylan challenging Regeneron’s US10,130,681 and US10,888,601 patents, which relate to Eylea® (aflibercept).  PTAB found that Mylan demonstrated a reasonable likelihood that at least claim 1 of the ‘681 patent and claim 34 of the ‘601 patent is unpatentable as being anticipated by the same piece of prior art.  A third Mylan IPR challenge, to Regeneron’s US10,857,205 is likely to be initiated in April 2023.