This article provides an update on our prior analysis of the infliximab litigation involving Janssen Biotech, Inc. (“Janssen”), Celltrion Healthcare Co. and Celltrion, Inc. (“Celltrion”), and Hospira Inc. (“Hospira”).
Briefly, when we last addressed this case, the litigation had already been narrowed to one patent, U.S. Patent No. 7,598,083 (“the ’083 patent”). Further, there were
Introduction
The Amgen, Inc. and Amgen Manufacturing, Limited (“Amgen”) litigation against Hospira, Inc. (“Hospira”), filed in September 2015, was one of the earliest cases filed under the Biologics Price Competition and Innovation Act (“BPCIA”). The case involves Hospira’s proposed biosimilar to Amgen’s Epogen®/Procrit® (epoetin alfa). The procedural posture is somewhat complicated, as
On May 25, 2017, Pfizer, Inc. (“Pfizer”) filed two new petitions for inter partes review (“IPR”) of U.S. Patent No. 6,407,213 (“the ’213 patent”). The ‘213 patent, entitled “Method for Making Humanized Antibodies,” issued on June 18, 2002. Although the IPR petitions do not identify a particular biologic, Genentech has publicly stated that the technology
Pfizer announced last week that the FDA’s Oncologic Drug Advisory Committee (ODAC) recommended its proposed biosimilar to Amgen’s Epogen®/Procrit® for approval across all indications after a public meeting held on May 25, 2017. The meeting materials are available from the FDA’s website here.
The history of this application is interesting. The original biologics application
Over the last two weeks, Pfizer, Inc. (“Pfizer”) has filed petitions for inter partes review (“IPR”) of three additional patents related to Biogen and Genentech’s Rituxan® (rituximab) at the Patent Trial and Appeal Board (“PTAB”). The proceedings are: IPR2017-01166, filed on April 21, 2017, regarding U.S. Patent No. 8,329,172 (“the ’172 patent”); IPR2017-1167, filed on
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
Pfizer, Inc. (“Pfizer”) filed a new petition with the Patent Trial and Appeal Board (“PTAB”) on March 24, 2017, for inter partes review (“IPR”) of U.S. Patent No. 7,820,161 (“the ’161 patent”) related to Biogen’s and Genentech’s Rituxan® (rituximab). The challenged claims of the ’161 patent are directed to a method for treating rheumatoid arthritis
Hospira, Inc. (“Hospira”) filed two additional new petitions with the Patent Trial and Appeal Board (“PTAB”) on January 30, 2017 for inter partes review (“IPR”) of U.S. Patent Nos. 6,627,196 (“the ’196 patent”) and 7,371,379 (“the ’379 patent”) related to Genentech’s Herceptin® (trastuzumab). These filings come on the heels of three petitions Hospira filed
Hospira, Inc. (“Hospira”) filed three petitions with the Patent Trial and Appeal Board (“PTAB”) on January 20, 2017 for inter partes review (“IPR”) of U.S. Patent Nos. 7,846,441 (“the ’441 patent”) and 7,892,549 (“the ’549 patent”) related to Genentech’s Herceptin® (trastuzumab). The challenged claims of the ’441 patent are directed to a method of