Tag Archives: appeal

Court Dismisses Biosimilar Petitioner's IPR Appeal For Lack of Standing

In Momenta Pharmaceuticals, Inc. v. Bristol-Myers Squibb Co., the Federal Circuit dismissed Momenta’s appeal from an adverse IPR decision for lack of standing after Momenta suspended its potentially infringing biosimilar development activity.  Although Momenta had been pursuing such activity when appellate proceedings began, the court dismissed the appeal for mootness/lack of standing because Momenta had … Continue reading this entry

New Estoppel Concern For Petitioners Raised In BTG v. Amneal

The Court of Appeals for the Federal Circuit is poised to decide a case which may create new estoppel concerns for AIA petitioners under 35 USC § 315(e)(2).   The appeal resulted from a Hatch-Waxman litigation in BTG v. Amneal, in which the lower court found that the patent claims at issue were invalid over the same … Continue reading this entry

Federal Circuit Backs PTAB Decision Curtailing A Party's Use Of "Supplemental" Information

In Redline Detection v. Star Envirotech, the Federal Circuit confirmed that the PTAB can decline to consider timely filed “supplemental” information from a petitioner (after filing its petition) pursuant to 37 C.F.R. § 42.123(a). While some PTAB decisions have permitted very limited use of Rule 123(a) by petitioners to supplement their petition after an institution … Continue reading this entry

Federal Circuit Affirms PTAB's IPR Decision Invalidating A Pharmaceutical Patent

Today in Merck v. Gnosis, the Federal Circuit affirmed the PTAB’s IPR Decision finding a pharmaceutical patent invalid for obviousness. Justice Newman vigorously dissented from the majority’s view (Justices Hughes and Plager) that a “substantial evidence” standard should apply to review of PTAB IPR decisions, which may encourage the patent owner to pursue a request … Continue reading this entry