On January 25, 2017, Varian Medical Systems, et al. (“Petitioners”) filed two Petitions to the USPTO’s Patent Trial and Appeal Board (“Board”) for an inter partes review(s) of claims 1-6 of U.S. Patent No. 7,961,843 (“the ‘843 Patent”). The ‘843 Patent is owned by Elekta Limited and is drawn to a radiotherapy apparatus for treating cancer. In the Petitions, Petitioners allege that claims 1-6 are obvious under 35 U.S.C. § 103 over various patent and non-patent literature documents. The inter partes reviews remain pending at the Board and are captioned IPR2017-00763 and IPR2017-00764, respectively.
By: Jacqueline A. DiRamio