It’s A Date – Twitter Reply Proves Prior Art Publication Date
Twitter requested two Inter Partes Reviews of a patent assigned to VidStream LLC. having a priority date of May 9, 2012. Twitter asserted that the system was not patentable as obvious, identifying a book authored by Anselm Bradford and Paul Haine (“Bradford”) as prior art against VidStream’s patent.
Twitter’s petitions included a copy of Bradford’s copyright page that contained the following legend: “Copyright © 2011”. In response, VidStream argued that Bradford was not prior art […]