July 9 (Reuters) - Merck (MRK.N) , opens new tab will buy UK-based Verona Pharma for about $10 billion, the companies said on Wednesday, strengthening the U.S. firm's presence in respiratory treatments as it readies for the patent expiry of its blockbuster cancer drug.

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https://www.reuters.com/legal/transactional/merck-acquire-verona-pharma-10-billion-2025-07-09/