Introduction and Background

The Apotex filgrastim/pegfilgrastim biosimilar litigation was the first biosimilar litigation where the parties participated in the patent dance.  As a result, important issues regarding the interpretation of the Biologics Price Competition and Innovation Act (the “BPCIA”) were raised, including whether a biosimilar applicant (“(k) applicant”) must give 180-days’ notice to the reference

The battle over the proper forum for patent infringement litigation regarding Dupixent® (Dupilumab) appears to have been resolved.  Last week, on May 1, 2017, Sanofi, Genzyme, and Regeneron voluntarily dismissed their Declaratory Judgment Complaint in the District of Massachusetts (Civ. No. 17-cv-10465).  The dismissal, however, does not resolve the underlying patent infringement dispute, which is

Genentech filed suit against Amgen this past February when a dispute arose between the parties during the first step of the “patent dance” for Amgen’s bevacizumab product (ABP 215), a proposed biosimilar to Genentech’s Avastin®.  Genentech accused Amgen of violating sections (l)(2)(A) and (l)(1)(c) of the Biologics Price Competition and Innovation Act (“BPCIA”), 42 U.S.C.

Editors’ Note: Although the BPCIA was enacted seven years ago, to date, only four biosimilar products have been approved by the FDA, and only two of those products are commercially available to patients in the United States – Sandoz’s Zarxio® (a filgrastim biosimilar to Amgen’s Neupogen®) and Celltrion and Hospira’s Inflectra® (an infliximab biosimilar to

As we previously reported, Sanofi-Aventis U.S. LLC, Genzyme Corporation, and Regeneron Pharmaceuticals, Inc. filed a Declaratory Judgment Complaint against Amgen, Inc. and Immunex Corporation in the United States District Court for the District of Massachusetts on March 20, 2017, preemptively seeking a determination that Sanofi and Regeneron’s Dupixent® (dupilumab) product does not infringe U.S.

Sanofi-Aventis U.S. LLC, Genzyme Corporation, and Regeneron Pharmaceuticals, Inc. (collectively “Plaintiffs”) filed a Complaint in the United States District Court for the District of Massachusetts seeking a declaratory judgment from the Court that the development, manufacturing, sale, and promotion of Dupixent® (dupilumab) does not infringe U.S. Patent No. 8,679,487 (“the ’487 patent”).  The ‘487 patent,

On February 15, 2017, Genentech filed litigation accusing Amgen of violating the Biologics Price Competition and Innovation Act (“BPCIA”), 42 U.S.C. § 262.  A dispute arose between the parties during the first step of the “patent dance” for Amgen’s bevacizumab product (ABP 215), a proposed biosimilar to Genentech’s Avastin®.

Amgen announced in November 2016, that