Reasonably Could Have Investigated in PGR?
Last month the Federal Circuit recalibrated the scope of IPR estoppel by overruling Shaw Industries. That is, after the SCOTUS decision in SAS Institute, the Court concluded that IPR “raised or reasonably could have raised” estoppel applies not just to claims and grounds asserted in the petition and instituted for consideration by the Board, but to all claims and grounds not in the IPR but which reasonably could have been included in the petition.
As to “reasonably could have been raised,” this assessment considers what information was known to the filer, and when, or, what might have been uncovered via a reasonably diligent search. In the case of a PGR proceeding — allowing a broader range of validity challenge types relative to IPR — this “reasonably could have raised” estoppel footprint poses a significant risk to patent challengers.
Continue Reading PGR’s Scary Estoppel Footprint