Baxalta Incorporated and Baxalta GmbH (collectively “Baxalta” or “Plaintiffs”) filed a Complaint in the United States District Court for the District of Delaware on May 4, 2017, against Genentech, Inc. (“Genentech”) and Chugai Pharmaceutical Co. Ltd., (“Chugai,” and collectively with Genentech “Defendants”) alleging that Defendants’ bispecific monoclonal antibody emicizumab infringes claims 1, 4, 15, 17

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

Celltrion announced last week that it has submitted an application for approval of Herzuma, its proposed trastuzumab biosimilar (CT-P6), in Japan.  Trastuzumab is a monoclonal antibody indicated for the treatment of patients with metastactic breast cancer whose tumors overexpress the HER2 protein and who have received one or more chemotherapy regimens.  Celltrion’s Herzuma (trastuzumab) 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.

On March 31, 2017, Celltrion, Inc. (“Celltrion”) filed three new petition for inter partes review (“IPR”) of two additional patents related to Genentech and Biogen’s Rituxan® (rituximab).  Two of the petitions challenge claims of U.S. Patent No. 7,682,612 (“the ’612 patent”) and the other seeks review of all nine claims of U.S. Patent No.8,206,711 (“the

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

On March 21, 2017, Celltrion, Inc. (“Celltrion”) filed two new petitions for inter partes review (“IPR”) of U.S. Patent Nos. 7,846,441 (“the ’441 patent”) and 7,892,549 (“the ’549 patent”). Three days later, on March 24, 2017, Celltrion filed two additional IPR petitions for U.S. Patent Nos. 6,626,196 (“the ‘196 patent”) and 7,371,379 (“the ‘379 patent”).  

Celltrion, Inc. (“Celltrion”) filed three new petitions with the Patent Trial and Appeal Board (“PTAB”) on March 15, 2017 for inter partes review (“IPR”) of Biogen’s U.S. Patent Nos. 8,329,172 (“the ’172 patent”), 8,557,244 (“the ’244 patent”), and 9,296,821 (“the ’821 patent”) related to rituximab.

Rituximab is an anti-CD20 monoclonal antibody approved for the treatment

Hospira, Inc. (“Hospira”) filed a petition with the Patent Trial and Appeal Board (“PTAB”) on September 16, 2016 for inter partes review (“IPR”) of U.S. Patent No. 7,807,799 (“the ’799 patent”) related to Genentech’s Herceptin® (trastuzumab).  On March 15, 2017, the PTAB issued a decision instituting review of claims 1–3 and 5–11 of the