Mergers and Acquisitions (M&A) - Merck is acquiring Verona Pharma for approximately $10 billion to diversify its portfolio beyond Keytruda [1] - The pharmaceutical industry is seeing a trend of companies buying commercial-stage companies, similar to J&J and Sanofi [4] - Companies are willing to be patient and pay more for acquisitions if they have more certainty about the product and its market performance [8] Patent Expiration and Revenue Replacement - Merck faces a $30 billion revenue gap due to the impending patent expiration of Keytruda [2] - The acquisition of Verona Pharma is aimed at plugging this revenue hole [5] Verona Pharma and its Drug - Verona Pharma's drug, launched last year, is for Chronic Obstructive Pulmonary Disease (COPD) [4] - First-quarter sales of the drug reached $70 million [4] - Peak sales estimates for the drug are currently around $4 billion, but could increase due to potential use for other indications like bronchiectasis [6] Market Dynamics and Investor Perspective - The traditional view that companies not acquired before launch are not viable is shifting [7] - Investors should reconsider how they evaluate pharmaceutical companies, as acquisitions of commercial-stage companies are becoming more common [7]