Private Equity's Inversion Excursion: Pepper Hamilton Talks Tax With the Deal
On May 22, 2025, the CAFC affirmed the PTAB’s (Board) Final Written Decisions in Pfizer’s IPR2021-00925 and IPR2021-00926 finding all challenged claims of uniQure’s U.S. Patent No. 9,982,248 (“the ’248 patent”) unpatentable...more
PFIZER INC. v. SANOFI PASTEUR INC. - Before Lourie, Bryson, and Stark. Appeal from the Patent Trial and Appeal Board....more
The Federal Circuit continued its explication of the standing issue for unsuccessful petitioners in inter partes review (see "Argentum Pharmaceuticals LLC v. Novartis Pharmaceuticals Corp. (Fed. Cir. 2020)") in Pfizer Inc. v....more
On April 27, 2020, the Federal Circuit issued a non-precedential opinion ruling that Pfizer failed to establish Article III standing in a pair of IPR appeals. At the PTAB, Pfizer had challenged the validity of Chugai’s...more
On December 6, 2019, the Federal Circuit will hear oral argument in a rituximab-related appeal by Biogen. The appeal stems from a final written decision of the Patent Trial and Appeal Board (PTAB) in an inter partes review...more
Following the Celltrion and Pfizer settlements of the trastuzumab litigation, the Federal Circuit granted the request of the Director of the PTO to intervene under 35 U.S.C. § 143 (i.e., defend a PTAB decision when a...more
There are presently seven biosimilar-related appeals pending before the Federal Circuit. Two of those appeals, Amgen v. Sandoz (Case No. 18-1551) and Amgen v. Coherus (Case No. 18-1993), are from district court judgments in...more