Yesterday, Hospira filed two petitions for inter partes review of Genentech’s U.S. Patent 7,371,379 (IPR2017-00805) and U.S. Patent 6,627,196 (IPR2017-00804). According to the petitions, these patents are directed to methods of treating certain cancers with trastuzumab, sold under the name Herceptin®. These petitions follow closely on the heels of three…