Dissent Finds Burden of Unpatentability Rests with Petitioner for Amended Claims
Back in July, the USPTO’s Patent Trial & Appeal Board (PTAB) issued an informative decision in Masterimage 3D. Inc. v. RealD Inc. (IPR2015-00040) (here). In Masterimage, the Board explained that a patent owner moving to amend before the PTAB bears the burden of distinguishing its amended claims over prior art of record and also prior art known to the patent owner. In doing so the Board defined the scope of “prior art of record” and “prior art known to the patent owner.” The Board defined prior art of record as:
a. any material art in the prosecution history of the patent;
b. any material art of record in the current proceeding, including art asserted in grounds on which the Board did not institute review; and
c. any material art of record in any other proceeding before the Office involving the patent.
Last week, in Prolitec, Inc., v. Scentair Technologies, Inc, the Federal Circuit considered whether this “prior art of record” burden was appropriate.
Continue Reading CAFC Debates PTAB Amendment Burden