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Amgen hit with lawsuit over its proposed Opdivo biosimilar

Published

17 September 2026

Topic

opportunities

◆ Sectors

Biotech

◆ Geography

United States

◆ Source

Read at lifesciencesipreview.com →

◆ Verified

Fusion42 · 17 September 2026 · Fusion42 review

Bristol-Myers Squibb (BMS) has filed a lawsuit against Amgen to protect its blockbuster cancer drug Opdivo, challenging Amgen's upcoming biosimilar launch.

This Wire brief sits within Fusion42's coverage of Biotech, and 2 sources have reported it between 16 Sep 2026 and 17 Sep 2026.

◆ ◆ The Wire takeaway

Your entry to the biosimilar market just got riskier as major drug patents are defended aggressively. This is a clear signal to secure your IP or prepare for legal battles if you target blockbuster biologics.

◆ Coverage

2 sources · first reported 16 Sep 2026 · latest 17 Sep 2026

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◆ Topics

Biotechbiosimilarlawsuitcancer-drugpatent-disputebiotech