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Federal Circuit Axes Amgen Antibody Patents, Finding Lack of Enablement

The Federal Circuit considered its 35 U.S.C. § 112 enablement case law and found that “the enablement inquiry for claims that include functional requirements”—in this case, claims to antibodies defined by their function—“can...more

Rehearing Requested in Major Federal Circuit Case Narrowing Venue in Hatch-Waxman Cases

Earlier this month, Valeant Pharmaceuticals North America LLC (“Valeant”) filed a petition for rehearing en banc in Valeant Pharms. N. Am. LLC v. Mylan Pharms. Inc., No. 2019-2402, arguing that the Federal Circuit panel’s...more

Hospira Seeks En Banc Review of the Federal Circuit’s “Safe Harbor” Ruling in Amgen v. Hospira

In December, in Amgen v. Hospira, 944 F.3d 1327 (Fed. Cir. 2019), a panel of the Federal Circuit issued the first decision applying the statutory Safe Harbor of 35 U.S.C. § 271(e)(1) to BPCIA patent litigation. ...more

Federal Circuit Walks Back Its “Exceptional” Stance on the Doctrine of Equivalents in the Latest Amgen v. Sandoz Decision

In Amgen’s long-running dispute with biosimilar-maker Sandoz over biosimilar versions of Amgen’s filgrastim (Neupogen®) and pegfilgrastim (Neulasta®) biologics, the Federal Circuit earlier this year affirmed summary judgment...more

Senator Hatch’s New Legislation Would Eliminate IPR Challenges by Generics and Biosimilar Makers

Generics and biosimilar makers have increasingly used inter partes reviews (“IPRs”), proceedings made possible by the America Invents Act, to challenge patents protecting innovator small-molecule drugs and biologic medicines....more

USPTO Adopts Amgen v. Sanofi, Excises “Newly Characterized Antigen” Test from its Written Description Guidance for Antibody Claims

Last month, the USPTO issued a memorandum to its patent examining corps clarifying its guidance concerning the written description requirement for claims drawn to antibodies. In the memorandum, the USPTO adopts the Federal...more

The Travails of the First U.S. EPO Biosimilar

Pfizer’s proposed biosimilar of Amgen’s Epogen® and Johnson & Johnson’s Procrit® (epoetin alfa) is poised to be the first erythropoietin (EPO) biosimilar in the U.S. FDA staff recommended approval of Pfizer’s product as a...more

The Federal Circuit’s First Application of the AIA’s On-Sale Bar: Implications for Bio/Pharma

When a small pharmaceutical company discovers a new medicine, it’s not uncommon for the company – which may not itself have the resources or infrastructure to get that medicine to patients – to seek a distribution partner...more

Federal Circuit Issues Its First Decision Interpreting BPCIA

The courts must “say what the law is,” even when that law, as Judge Lourie described the BPCIA, is “a riddle wrapped in a mystery inside an enigma.” Today, in Amgen Inc. v. Sandoz Inc., No. 2015-1499 (Fed. Cir. July 23,...more

FDA Denies Amgen’s Citizen’s Petition Awaiting Guidance from the Courts

As we have discussed before, the first generation of biosimilar litigation under the Biologics Price Control and Innovation Act (BPCIA) addresses whether the BPCIA’s patent dispute resolution procedures – the “patent dance” –...more

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