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Pfizer Sues to Stop Rival Bid for Drugmaker Metsera by Denmark's Novo Nordisk

Pfizer claims Novo Nordisk's $6 billion bid for Metsera is unlawful and risky, seeking to block the deal amid a competitive takeover fight.

  • On Friday after markets closed, New York-based Pfizer sued Metsera Inc. and Denmark-based Novo Nordisk over a bid Novo announced on Thursday.
  • In response to competing offers, Pfizer says it is suing Metsera Inc. and Novo Nordisk over a bid Novo announced Thursday, challenging unsolicited competition.
  • Metsera has no products on the market but is developing oral and injectable candidates targeting obesity and diabetes, while Novo already markets Wegovy and Ozempic.
  • Pfizer is seeking a temporary restraining order in the Delaware Court of Chancery to block Metsera from terminating its merger agreement, arguing Novo's $8.5 billion bid carries significant regulatory risk.
  • Novo Nordisk said it planned to buy Metsera in a deal that could be worth up to $9 billion, and Metsera called the offer superior to Pfizer's September bid, while Pfizer said the bid uses `an unprecedented structure designed to deliberately evade antitrust review`.
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+17 Reposted by 17 other sources
Center

Pfizer sues to stop rival bid for drugmaker Metsera by Denmark's Novo Nordisk

Pfizer is suing over some unsolicited competition in its nearly $5 billion bid to buy the drugmaker Metsera. New York-based Pfizer said Friday after markets closed that it was suing Metsera and a third drugmaker, Denmark’s Novo Nordisk, over a bid for Metsera that Novo announced Thursday. Novo said it planned to buy Metsera in a deal that could be worth up to $9 billion, and Metsera said the offer appeared to be superior to Pfizer’s bid, which w…

·Albuquerque, United States
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Lean Left

Pfizer is on its way to buying a biotech company before Novo Nordisk made a higher offer on Thursday.

·Copenhagen, Denmark
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Pfizer is on its way to buying a biotech company before Novo Nordisk made a higher offer on Thursday.

·Denmark
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Morning Sun broke the news in Pittsburg, United States on Friday, October 31, 2025.
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