In Teva Pharmaceutical Industries, Ltd. v. AstraZeneca Pharmaceuticals LP, the Federal Circuit took what could be one of its last looks at the requirements for establishing prior invention under 35 USC § 102(g)(2). The court determined that although conception requires some appreciation of the claimed subject matter, it does not require an understanding of all of the properties that may be claimed. Continue reading this entry
In Teva Pharmaceuticals USA, Inc. v. Eisai Co., Ltd., the Federal Circuit addressed complicated subject matter jurisdiction issues in the context of a declaratory judgment (DJ) action that was brought in accordance with the Hatch-Waxman Act by a subsequent ANDA filer. The court determined that the DJ action should proceed, even though the patent owner could not have brought an infringement action to enforce the challenged patents. The court’s decision may encourage DJ actions by other subsequent ANDA filers, with the potential to hasten the market entry of more generic drug products.