Yahoo Finance·2025-10-31 21:13Core Viewpoint - Pfizer has filed a lawsuit against Metsera and Novo Nordisk, claiming that Metsera breached its merger agreement obligations by declaring Novo's $8.5 billion bid as a superior offer [1][2]. Group 1: Legal Action and Implications - Pfizer is seeking a temporary restraining order from a Delaware court to prevent Metsera from terminating the merger agreement [1]. - The lawsuit alleges that Novo's bid represents an illegal attempt to circumvent antitrust scrutiny, posing significant regulatory risks [2]. Group 2: Market Context and Strategic Moves - Pfizer has received early antitrust clearance for its proposed $7.3 billion acquisition of Metsera from the U.S. Federal Trade Commission, with the waiting period under the Hart-Scott-Rodino Act terminated ahead of the November 7 deadline [3]. - The obesity market is projected to reach $150 billion by the early 2030s, and Pfizer aims to enter this fast-growing sector [3]. - Pfizer is looking to offset declining COVID-related revenues and impending patent expirations by acquiring Metsera, which has faced setbacks in developing its own treatments [4]. Group 3: Competitive Landscape - Novo Nordisk, known for its weight-loss drugs Wegovy and Ozempic, is attempting to recover market share lost to Eli Lilly, whose drugs Zepbound and Mounjaro have demonstrated stronger clinical results [4]. - Metsera's pipeline includes experimental GLP-1 and amylin-based therapies, which analysts estimate could achieve peak sales of $5 billion [4].