Pfizer hits Novo Nordisk and Metsera with lawsuit amid bidding war - Pharmaceutical Technology

Pfizer Sues Novo Nordisk and Metsera Amid Bidding War

Pfizer has filed a lawsuit against Novo Nordisk and Metsera, following Novo Nordisk's last-minute bid to acquire Metsera, which Pfizer termed "reckless and unprecedented".

The lawsuit comes after Novo Nordisk intercepted Pfizer's September 2025 acquisition deal for Metsera, offering up to $9bn, a value that trumped Pfizer's offer of up to $7.3bn.

Novo Nordisk's bid was considered a "superior company proposal" by Metsera.

The move is part of a larger M&A bidding war for the obesity-focused biotech.

Author's summary: Pfizer sues Novo Nordisk and Metsera over acquisition bid.

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Pharmaceutical Technology Pharmaceutical Technology — 2025-11-03

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