Biosimilar Litigation: Celltrion, Pfizer Claim Victory On Janssen’s Remaining Infringement Claim

Ensnarement defense bars Remicade maker from prevailing on claim that Inflectra partners infringed cell culture media patent, US federal judge rules.

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Inflectra has cleared the last patent hurdle that posed a potential risk to US marketing.

Celltrion Inc. and Pfizer Inc.’s Inflectra (infliximab-dyyb) does not infringe Janssen Biotech Inc.’s cell culture media patent, a federal judge ruled July 30, rejecting the last of the Remicade (infliximab) sponsor’s patent infringement claims against the biosimilar partners.

US Judge Mark Wolf of the District of Massachusetts granted Celltrion and Hospira Inc. (now part of Pfizer) summary...

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