This past year contained a number of significant developments in litigation involving biologics and biosimilars. The following is a recap of the top three legal developments that we covered on the Big Molecule Watch last...more
On November 27, 2025, Celltrion announced that Health Canada approved EYDENZELT® (aflibercept-boav), a biosimilar referencing Regeneron’s EYLEA® (aflibercept), in both vial and pre-filled syringe form, to treat all...more
This week the FDA granted interchangeability status to Fresenius Kabi’s and Celltrion’s respective denosumab biosimilars. Interchangeable biosimilars can be substituted for the reference product at the pharmacy without...more
On October 2, 2025, Celltrion launched Avtozma® (tocilizumab-anoh), in intravenous and subcutaneous formulations, as the third biosimilar of Genentech’s Actemra® (tocilizumab). ...more
On September 26, 2025, Amneal / Kashiv announced the submission to the FDA of an aBLA for ADL-018, a proposed biosimilar of Genentech’s Xolair® (omalizumab)....more
The aflibercept multi-district litigation consists of multiple actions consolidated in the Northern District of West Virginia, with Regeneron Pharmaceuticals, Inc. (“Regeneron”) filing suit under the Biologics Price...more
On August 7, 2025, Celltrion announced that it obtained FDA approval expanding the indication of the intravenous (IV) formulation of AVTOZMA (tocilizumab-anoh) to include treatment of cytokine release syndrome (CRS) in...more
Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more
Biosimilar Litigations include litigations relating to biosimilar/follow-on products of CDER-listed reference products. Litigations between biosimilar applicants/manufacturers and reference product sponsors as well as...more
Rituximab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more
As 2024 has come and passed, we saw another year of significant developments in litigation involving biologics and biosimilars. The following is a recap of the top four legal developments that we covered on the Big...more
As the era of biologics and biosimilar litigations heats up in the United States, Europe’s Unified Patent Court (UPC) is also taking center stage with the first two biosimilar disputes filed in March and April....more
Teva announced today that the European Commission has granted marketing authorization for RANIVISIO, a biosimilar ranibizumab, for the treatment of age-related macular degeneration (AMD). Teva entered into a strategic...more
On Wednesday, Celltrion announced its completion of its Phase 3 clinical trial for Remsima SC, a subcutaneous version of its biosimilar Remsima® (infliximab). According to Celltrion, “[t]he subcutaneous formulation allows...more
The PTAB remains a busy venue for biologics patents. Here are some IPR updates from the weeks since our last IPR update...more
The PTAB has been a busy place for biologics patents in the past few weeks. Here are some of the highlights...more
Janssen Biotech Inc. and Celltrion Healthcare have taken the next step over Janssen’s blockbuster arthritis biologic medicine Remicade (infliximab) and Celltrion’s biosimilar, as required by the Biologics Price Competition...more
Celltrion has filed three petitions for IPR of Biogen’s patents related to rituximab: IPR2017-01093, challenging U.S. Patent 8,329,172; IPR2017-01094 challenging U.S. Patent 8,557,244; and IPR2017-01095 challenging U.S....more