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New BPCIA Complaint: Genentech Files Suit Against Tanvex Regarding its Proposed Herceptin Biosimilar

Genentech filed a complaint yesterday against Tanvex in the U.S. District Court for the Southern District of California, alleging infringement of three patents under the BPCIA based on Tanvex’s submission of an aBLA for TX05, a proposed biosimilar of HERCEPTIN (trastuzumab).  Genentech asserts that Tanvex’s process for manufacturing TX05 infringes…

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Amneal Achieves Third U.S. Biosimilar Approval with FYLNETRA (pegfilgrastim-pbbk)

Amneal announced today that the U.S. Food and Drug Administration has approved its Biologics License Application for FYLNETRA™ (pegfilgrastim-pbbk), a biosimilar referencing NEULASTA®.  FYLNETRA, developed in collaboration with Kashiv Biosciences, LLC, is used to treat neutropenia (low neutrophils which are a type of white blood cells that fight infection) which…

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Trial Scheduled for April 2024 in BMS Patent Case Against AstraZeneca Regarding Anti-PDL1 Antibodies

The District of Delaware has issued a scheduling order, setting a trial for April 2024, in Bristol Myers Squibb’s (BMS) patent case against AstraZeneca.  BMS filed its complaint against AstraZeneca on March 17, 2022, alleging infringement of eight patents related to anti-PD-L1 antibodies.  According to BMS, the case “relates to…

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Pfizer Files Lawsuit in Australia to Halt Sales of BRENZYS (etanercept)

Last week Pfizer filed a lawsuit in a federal court of Australia against respondents Samsung Bioepis, Merck, Sharp & Dohme, Organon, and Arrow, to halt sales of their biosimilar BRENZYS (etanercept).  Pfizer alleges that the respondents infringe Australian Patent No. 2005280034, titled “Production of polypeptides,” with claims directed to cell…

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PTAB Institutes Two More IPRs on Tocilizumab Patents Challenged by Fresenius

Earlier this week, the PTAB instituted inter partes review of two patents directed to methods of treating rheumatoid arthritis by subcutaneously administering tocilizumab and devices for subcutaneously administering tocilizumab, respectively.  Fresenius filed petitions for inter partes review of U.S. Patent Nos. 8,580,264 (“the ’264 patent”), owned by Chugai and Roche,…

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Fresenius Files IPR Petitions Challenging Chugai/Roche/Genentech Rheumatoid Arthritis Patents

On August 18, 2021, Fresenius Kabi USA, LLC and Fresenius Kabi SwissBioSim GmbH (collectively, “Fresenius”) filed Petitions for Inter Partes Review of U.S. Patent No. 10,874,677 (IPR 2021-01336) and U.S. No. 5,80,264 (IPR 2021-01288) .  The ‘264 patent claims are directed to methods of treating rheumatoid arthritis patients using a…

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