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  • Third Circuit Requires Patent Validity Analysis In Adjudicating Antitrust Causation
     
    01/26/2021

    On January 11, 2021, the United States Court of Appeals for the Third Circuit vacated a district court order granting defendants’ summary judgment motion, finding that the court erred in concluding that defendants’ patent position barred plaintiff’s antitrust damages claims without evaluating plaintiff’s challenges to the patent’s validity and infringement as to plaintiff’s product.  Fresenius Kabi USA, LLC v. Par Sterile Prods., LLC, No. 20-1618, 2021 WL 80616 (3d Cir. Jan. 11, 2021).  Where the defendant has raised its patent rights as a defense to the assertion of antitrust damages, the Third Circuit held, a court must analyze the plaintiff’s challenges to validity and infringement of the patent regardless of whether patent litigation or a Food and Drug Administration (“FDA”) application relating to the product has been filed.