Attorney General’s Office May Weigh In on Constitutionality of IPRs involving Pre-AIA Patents

By Tom Engellenner The 2011 America Invents Act (AIA) provided a variety of new ways to administratively challenge patents, including the now widely used inter partes review (“IPR”) procedure.  In two recent appeals of IPR decisions, Genentech has challenged the constitutionality of IPR proceedings when applied to patents that were already issued as of the … Continue reading Attorney General’s Office May Weigh In on Constitutionality of IPRs involving Pre-AIA Patents

CAFC Affirms PTAB’s Decision That Printed Matter Doctrine Can Be Used In Claim Construction

By Reza Mollaaghababa In an inter partes review proceeding, a challenger cannot raise patent-eligibility as a ground of invalidity.  Rather, the invalidity grounds are limited to lack of novelty and obviousness.  Notwithstanding, in construing claim terms, the PTAB can decide not to give patentable weight to certain claim limitations that are not patent-eligible. In Praxair … Continue reading CAFC Affirms PTAB’s Decision That Printed Matter Doctrine Can Be Used In Claim Construction

SAS Institute Decision Causes Turmoil At The PTAB

By Tom Engellenner The U.S. Supreme Court’s decision this week in SAS Institute v. Iancu has upended a major provision of the U.S. Patent and Trademark Office (PTO) regulations for inter partes and post grant review proceedings conducted by its Patent Trial and Appeal Board (PTAB).  By concluding in a 5-4 decision that the agency … Continue reading SAS Institute Decision Causes Turmoil At The PTAB

PTAB Can Rely on New Evidence Introduced by Petitioner in its Reply

By Tom Engellenner 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. … Continue reading PTAB Can Rely on New Evidence Introduced by Petitioner in its Reply