PTAB Invalidates Claims in Imaging Device Patent

March 29, 2017 – The Patent Trial and Appeal Board issued a final written decision, invalidating claims 2, 9, 11, 13, 16, 54, 55, and 62 of Varian Medical Systems, Inc.’s U.S. Patent No. 7,945,021, “Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager.”  Claims 4, 5, 6, 7, 14, 15, 53, 60, and 61 of the ’021 patent were previously found unpatentable in a related IPR, also brought by Petitioner Elekta, Inc.

The case is IPR2016-00317, before the Patent Trial and Appeal Board.

By: Joyce L. Nadipuram