Year in Review: Changes in PTAB Practice in 2018

By Tom Engellenner A number of significant changes occurred in 2018 at the U.S. Patent and Trademark Office (USPTO). To begin with, in February 2018, a new USPTO Director took office.  Director Andrew Iancu, a former patent litigator with law firm experience, appears to have brought a different perspective than that of his corporate predecessors … Continue reading Year in Review: Changes in PTAB Practice in 2018

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 by assigning these patents to the Saint Regis Mohawk Tribe in return for a commitment … Continue reading Allergan’s Mohawk Gambit Fails at the PTAB

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 the challenger to persuade the PATB that substitute claims proposed by a patent owner in … Continue reading PTAB Issues Guidelines for Motions to Amend

IPR Estoppel Provisions May Not Be That Scary After All

By Yue (Joy) Wang IPR petitioners wary of the statutory estoppel under 35 U.S.C. § 315(e)(2) may have reason to be cautiously optimistic.   Judge Sue Robinson of the Federal District Court of Delaware recently held that Toshiba is not estopped from presenting invalidity grounds at trial that it did not raise in an earlier IPR. … Continue reading IPR Estoppel Provisions May Not Be That Scary After All

State Universities Rejoice: PTAB Recognizes Sovereign Immunity Defense

By Sean Gloth In Covidien LP v. University of Florida Research Foundation Inc., the Patent Trial and Appeal Board (the “Board”) upheld a defense of sovereign immunity asserted by the University of Florida Research Foundation (the “Foundation”) and dismissed three Petitions for Inter Partes Review (“IPR”) filed by Covidien LP (“Covidien”) against a patent owned … Continue reading State Universities Rejoice: PTAB Recognizes Sovereign Immunity Defense