Celsis In Vitro, Inc. v. Cellzdirect, Inc., No. 10-1547 (Fed. Cir. 2012)Annotate this Case
The patent claims methods for preparing multi-cryopreserved hepatocytes (a type of liver cell), used for evaluating drug candidates. The owner claimed infringement and obtained a preliminary injunction. The Federal Circuit affirmed. The district court acted within its discretion in finding likelihood of success on the merits, considering defenses of non-infringement, obviousness, written description, and inequitable conduct. The court considered and properly addressed the public's interest in obtaining an adequate supply of pooled multi-cryopreserved hepatocyte products.