Tag Archives: inter partes review

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 … Continue reading

Posted in Appeals, Attorney General, Constitutionality, Court of Appeals Fed Circuit, Federal Circuit, Fifth Amendment, Final PTAB Decision, Supreme Court, Takings Clause, USPTO | Tagged , , , , , , , , , , , , ,

CAFC Affirms PTAB’s Decision To Invalidate Cialis and Adcirca Patents

By Reza Mollaaghababa In a recent decision, the Court of Appeals for the Federal Circuit (CAFC) affirmed decisions in two inter-partes review (IPR) proceedings that patents owned by ICOS Corporation directed to tadalafil formulations (used in the erectile dysfunction drug, … Continue reading

Posted in Anticipation/Obvious, Court of Appeals Fed Circuit, Federal Circuit, Inter Partes Review, Post Grant Review, PTAB Procedure, Trial Tactics, USPTO | Tagged , , , , , , , ,

Allergan’s Mohawk Gambit Fails at the PTAB

By Tom Engellenner The Patent Trial and Appeal Board (PTAB) has not taken kindly to a move by the Irish drug company Allergan to shield its key patents on its dry-eye drug Restasis from challenge at the U.S. Patent Office … Continue reading

Posted in America Invents Act, Inter Partes Review, Motion to Terminate, PTAB Procedure, Sovereign Immunity, USPTO | Tagged , , , , , , , , , , ,

PTAB Issues Guidelines for Motions to Amend

By Reza Mollaaghababa An en banc panel of the Court of Appeals for the Federal Circuit (CAFC) in the case of Aqua Products, Inc. v. Matal recently held that in an inter-partes (IPR) proceeding, the burden of persuasion rests with … Continue reading

Posted in Amendments before the PTAB, America Invents Act, BRI Standard, Broadest Reasonable Interpretation, Claim Construction, Covered Business Methods, Inter Partes Review, Post Grant Review, PTAB Procedure, Trial Tactics, USPTO | Tagged , , , , , , , ,

Federal Circuit Slams PTAB Amendment Policy

By Tom Engellenner On October 4, 2017, the Court of Appeals for the Federal Circuit, sitting en banc, overruled an earlier panel decision and found that the Patent Trial and Appeal Board (PTAB) had been impermissibly placing the burden of … Continue reading

Posted in Amendments before the PTAB, America Invents Act, BRI Standard, Broadest Reasonable Interpretation, Claim Construction, Court of Appeals Fed Circuit, Covered Business Methods, Federal Circuit, Final PTAB Decision, Inter Partes Review, Post Grant Review, Trial Tactics, USPTO | Tagged , , , , , , , , , , ,