Polsinelli Podcasts - FDA Denies Amgen Citizen Petition in Biosimilar Dispute
In a formulation claim, if elements are listed separately, does this necessarily entail that those elements are “separate and distinct components”? This was the question before the district court in Regeneron...more
On March 14, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the District Court for the Northern District of West Virginia’s denial of a preliminary injunction against Amgen Inc. (“Amgen”) in the ongoing...more
The US Court of Appeals for the Federal Circuit invalidated yet another set of antibody genus claims, finding the case “materially indistinguishable” from those in the 2023 Supreme Court of the United States case, Amgen v....more
On June 16, 2021, the District Court for the District of Delaware issued a claim construction order construing a key term in the ongoing patent dispute between Amgen and Hospira over Hospira’s proposed biosimilar of Amgen’s...more
PATENT CASE OF THE WEEK - Amgen Inc. v. Amneal Pharmaceuticals LLC, et al., Appeal Nos. 2018-2414, et al. (Fed. Cir. Jan. 7, 2020) - In this appeal from Markman and summary judgment opinions by the district court in a...more
Transitional terms in patent law (conventionally, "comprising," "consisting of," and the more arcane "consisting essentially of") have their own provenance and meaning, denoting limitations that are "open" (comprising) or...more
The US Court of Appeals for the Federal Circuit affirmed a summary judgment non-infringement ruling, finding that where both the claim language and the specification require that the disclosed steps be performed in the order...more
The Situation: The Biologics Price Competition and Innovation Act was considered in a November 2017 decision by the United States Court of Appeals for the Federal Circuit. The Result: The court found that the commercial...more
WBIP, LLC v. Kohler Co. (No. 2015-1038, -1044, 7/19/16) (Moore, O'Malley, Chen) - Moore, J. Affirming denial of JMOL that patent was invalid as obvious and lacked an adequate written description, affirming finding of...more