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 year. The Aflibercept BPCIA Litigations Start to Resolve As in 2023 and 2024, Regeneron’s multi-district…
In the past few weeks, several biosimilar products have been granted marketing authorization in Europe and Japan, and additional products have been recommended for approval in Europe. The European Commission Approves Henlius and Organon’s Denosumab Biosimilars: On September 19, 2025, Shanghai Henlius Biotech and Organon announced that the European Commission…
On February 6, 2025, Dr, Reddy’s Laboratories SA (“Dr. Reddy’s”) announced that it has entered into a license agreement with Shanghai Henlius Biotech, Inc. (“Henlius”) for the development and commercialization of Henlius’s HLX15 (daratumumab), a biosimilar candidate to Janssen’s Darzalex® & Darzalex Faspro®. HLX15 (daratumumab) is a recombinant anti-CD38 fully…
Approval of Celltrion’s Ustekinumab Biosimilar in the EU: On August 26, 2024, Celltrion announced that the European Commission (EC) granted approval for STEQEYMA, formerly known as CT-P43, a biosimilar of STELARA (ustekinumab), for the treatment of several chronic inflammatory conditions. STEQEYMA is a human IL-12 and IL-23 antagonist indicated for…
Organon announced yesterday that it has entered into an agreement with Henlius, whereby Organon will license commercialization rights for biosimilar candidates referencing PERJETA® (pertuzumab) and PROLIA®/XGEVA® (denosumab). According to the press release, Henlius independently developed both biosimilar products. Organon will acquire exclusive global commercialization rights except for China. The agreement…