In October 2022, we reported that Biogen was seeking a preliminary injunction in its BPCIA case brought in the District of Delaware against Sandoz relating to Sandoz’s proposed multiple sclerosis biosimilar of TYSABRI (natalizumab). The parties completed their briefing on Biogen’s motion in April, and Judge Williams has scheduled a…
FDA’s Purple Book provides a searchable database of licensed biological products and includes the patent information provided to biosimilar applicants during the BPCIA patent dance. Pursuant to a law enacted in late 2020, a reference product sponsor must provide patent information to FDA for listing in the Purple Book once…
This week, Genentech filed separate lawsuits against Biogen and Millennium, alleging breach of a license agreement to the Cabilly patents (U.S. Patent No. 6,331,415 and 7,923,221). The patents are generally directed to processes for producing an antibody or an antibody fragment by transforming a host cell with a first and…
Big Molecule Watch monitors for biosimilar clinical trial results. Here we report on four recent announcements concerning biosimilars of natalizumab, trastuzumab, daratumumab, and aflibercept. On January 23, 2023, researchers published the results of a phase III clinical trial demonstrating that PB006, Polpharma Biologics SA’s biosimilar to Biogen’s approved treatment TYSABRI®…
Biogen seeks a preliminary injunction in its BPCIA case against Sandoz related to Sandoz’s proposed biosimilar of TYSABRI (natalizumab). On October 20, 2022, the Court issued a sealed order on the parties’ joint stipulation and proposed schedule for a preliminary injunction motion. A redacted version of the parties’ proposed schedule…
On September 9, 2022, Biogen filed a complaint in the District of Delaware against Sandoz and Polpharma Biologics. Biogen’s complaint is filed under seal. Based on the list of 28 asserted patents, the case appears to be a BPCIA litigation related to Sandoz and Polpharma’s proposed natalizumab biosimilar. The asserted…