
An updated discussion of this issue is available here: Supreme Court Decides that IPR Final Decisions Must Address All Challenged Claims
The Federal Circuit recently denied a petition for rehearing en banc, effectively reiterating that the PTAB may, in its sole discretion, choose to institute an IPR proceeding on some, but not all, of the patent claims challenged in an IPR petition. The rehearing petition sought the full court’s review of a split three-judge panel decision in SAS Institute, Inc. v. Complementsoft, LLC, Nos. 2015-1346, -1347 (Fed. Cir. Jun. 10, 2016), that applied Synopsys, Inc. v. Mentor Graphics Corp., 814 F.3d 1309 (Fed. Cir. 2016), to conclude that there is no statutory requirement that a PTAB final written decision address every claim raised in an IPR petition.
Continue Reading PTAB May Institute an IPR Proceeding on a Subset of Challenged Claims


Notice of grounds for unpatentability in one proceeding does not provide notice in a second, related proceeding, even where the proceedings relate to the same patent, are between the same two parties, and include the same prior art reference. The Federal Circuit, in
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