Genzyme Corp. (Cambridge, MA) has filed patent infringement claims against Medicis Pharm. Corp. (Scottsdale, AZ) for infringement of Patent No. 5,399,351 relating to biocompatible viscoelastic gel slurries. The complaint alleges inducement / contributory infringement by virtue of Medicis’ sales of four tissue augmentation products along with instructions that purportedly direct infringement. Of the four products, one has allegedly been on sale since January 4, 2004, possibly triggering a presumption of laches.
Genzyme Corp. v. Medicis Pharm. Corp., 10-11763-JCB (D. Mass. Oct. 15, 2010)