All five claims of US patent 7,622,115 – covering methods for treating cancer with Roche’s Avastin (bevacizumab) oncology treatment – have been declared as invalid by the Patent Trial and Appeal Board (PTAB) of the US Patent and Trademark Office (USPTO), following inter partes review proceedings initiated by Hospira.
The ‘115 patent claims methods for treating cancer comprising administering bevacizumab and assessing the patient for gastrointestinal perforation. It discloses...



