Pfizer files second lawsuit against Novo Nordisk, Metsera in bidding war over obesity biotech
- Posted on November 3, 2025
- By CNBC
- 4 Views
Pfizer files second lawsuit against Novo Nordisk, Metsera in bidding war over obesity biotech

The suit escalates a battle between Pfizer and Novo Nordisk over Metsera, whose obesity pipeline could yield new competitors in the weight loss drug market.