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Regeneron’s Disclaimer of Aflibercept Formulation Patent Causes PTAB Denial of Institution of Celltrion PGR

On March 15, 2022, the Patent Trial and Appeal Board (PTAB) denied institution of post-grant review (PGR) proceedings initiated by Celltrion Inc. concerning Regeneron Pharmaceutical’s U.S. Patent No. 10,857,231 (the ’231 Patent) after Regeneron disclaimed the patent.  The ’231 patent has claims directed to formulations of aflibercept, the active ingredient…

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Coherus and Xbrane Announce Acceptance of Regulatory Submissions for Ranibizumab Biosimilars

On October 1, 2021, Coherus BioSciences announced that FDA has accepted for review Coherus’ BLA for CHS-201, a candidate biosimilar to Lucentis® (ranibizumab), which is indicated for neovascular age-related macular degeneration (nAMD) and several other ophthalmic conditions. The BLA was originally submitted by Coherus’ partner, BioeqAG.  On October 4, 2021,…

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Sanofi Files Opposition to Amgen’s Petition for Federal Circuit to Reconsider Decision Invalidating Praluent Patents

As we previously reported, in April 2021, Amgen petitioned for the full Federal Circuit to reconsider the decision of a three-judge panel that two of Amgen’s patents, U.S. Patent Nos. 8,829,165 (the “’165 patent”) and 8,859,741 (the “’741 patent”), covering its cholesterol-lowering drug Repatha® (evolocumab) and Sanofi’s Praluent® (alirocumab), were…

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