In a decision last month, the Court of Appeals for the Federal Circuit gave petitioners in AIA proceedings yet another weapon to invalidate patents – by affirming a Patent Trial and Appeal Board (PTAB) decision that relied, at least in part, on new evidence introduced by the petitioner in its reply brief. (Genzyme Therapeutic Products LP v. BioMarin Pharmaceutical Inc., Fed. Cir. No. 15-1720).
Writing for a three-judge Fed. Cir. panel, Judge William C. Bryson said it should be expected that petitioners will introduce new evidence during the course of an Inter Partes Review (IPR) proceeding. Judge Bryson dismissed the notion that the record of an IPR is essentially closed following the PTAB’s institution decision.
“There is no requirement either in the board’s regulations, in the [Administrative Procedures Act] or as a matter of due process for the institution decision to anticipate and set forth every legal or factual issue that might arise in the course of the trial,” according to Judge Bryson.
Genzyme had argued that it was impermissible for the PTAB to relied on different evidence than the evidence relied upon in the institution decision.
“Genzyme’s argument that the institution decision must refer to every bit of evidence that is relied on by the board in its final written decision reflects a misunderstanding of the role of the institution decision in inter partes review proceedings before the board,” said the judge.
The opinion draws a distinction between new grounds for invalidity and new evidence that supports the grounds on which the trial was initiated. According to Judge Bryson, if the PTAB decision is based on the same grounds, due process is satisfied as long as the opposing party is notified and given a chance to respond.
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