Metsera called Pfizer's claims "nonsense" in a follow-up Monday to Pfizer's lawsuit against Metsera and Novo Nordisk.

The 11th-hour attempt by Novo to snatch away Metsera, which Pfizer had agreed to buy in September, has upended debate around ...

Pfizer has now filed a suit in federal court, following its claim in state court on Friday. It is riding Trump-era political currents in its efforts to save the deal.

Pfizer's lawsuits target Metsera, its directors, and Novo Nordisk for breach of contract and antitrust violations, focusing on Novo Nordisk's acquisition proposal. The first lawsuit claims Novo ...

Pfizer files a second lawsuit against Novo Nordisk and Metsera, accusing its rival of blocking a U.S. competitor in the ...