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BMS merger rumors with AstraZeneca as patent cliffs loom

Bristol-Myers Squibb logoBristol-Myers Squibb
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AstraZeneca logoAstraZeneca
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A rumored BMS-AstraZeneca merger, if it happens, would be the largest in the industry. Analysts cite looming patent expirations removing exclusivity for key brands, with about $50B in 2025 revenue at stake. BMS faces revenue headwinds, while projected milestones include Phase 3 readouts through 2026–2027. Patent cliffs taking effect in the U.S. in 2028 raise questions about AstraZeneca’s long-term growth.

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