Tag Archives: Burden of Proof


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 … Continue reading

Posted in Amendments before the PTAB, Broadest Reasonable Interpretation, Enlarged PTAB Panels, Inter Partes Review, Phillips standard, Post Grant Review, PTAB Procedure, PTAB Trial Practice Guide, Sovereign Immunity, Trial Tactics, 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 , , , , , , , ,

Bass’s First IPR Decision Rendered – Victory for Patent Owner, Shire Lpc

By Tom Engellenner If Kyle Bass’s Coalition for Affordable Drugs Series II hedge fund was hoping to reap a windfall from short positions in Shire Plc’s stock this week, it was dealt a major setback by a Patent Trial and … Continue reading

Posted in Anticipation/Obvious, Claim Construction, Final PTAB Decision, Inter Partes Review, PTAB Procedure | Tagged , , , , , , ,