In the most recent of a series of litigations by AbbVie against manufacturers seeking to market biosimilar versions of Humira®, the world’s most profitable drug, AbbVie initiated an action against Alvotech in the district court for the Northern District of Illinois on April 27, 2021, after Alvotech requested approval of its biosimilar, AVT02, a biosimilar

In the context of Immunex’s patent on IL-4 antibodies, the Federal Circuit says yes.

On October 13, 2020, the Federal Circuit affirmed the Patent Trial and Appeal Board’s (the “Board”) final written decision in IPR2017-01884, holding invalid all claims of U.S. Patent No. 8,679,487 (“the ’487 patent”) assigned to Immunex. The ‘487 patent is drawn

The Federal Circuit recently held[1] in a 2-1 decision that there was substantial evidence supporting a jury finding that Teva was liable for induced infringement for an indication carved out of its skinny label for its generic version of carvedilol.

The case concerned GSK’s United States Patent No. 4,503,067 (“the ’067 patent”) and Reissue

As we previously reported, earlier this year the Federal Circuit affirmed a district court’s finding that Sandoz’s ZARXIO filgrastim biosimilar and proposed pegfilgrastim biosimilar do not infringe Amgen’s patents. The patents-at-issue were Amgen’s U.S. Patent Nos. 8,940,878 (“the ’878 patent”) and 6,162,427 (“the ’427 patent”). The ’872 patent is directed towards methods of purifying

On February 14, 2019, the PTAB issued final written decisions in two separate IPRs filed by Sanofi-Aventis, Genzyme Corp., and Regeneron Pharmaceuticals (collectively “Sanofi”) against U.S. Patent No. 8,679,487 (“the ʼ487 patent”) assigned to Immunex Corporation (“Immunex”). Claim 1 of the ʼ487 patent is the only independent claim, and it is directed to “an isolated

On February 21, 2019, Sandoz Inc. (“Sandoz”) filed suit against Amgen Inc. and Amgen Manufacturing Limited (collectively “Amgen”) seeking declaratory judgment of non-infringement and invalidity of Amgen’s U.S. Patent No. 9,643,997 (“the ʼ997 patent”). The ʼ997 patent is directed to methods of purifying a protein expressed in a non-native limited solubility form in a non-mammalian