Senator Warren Urges US Patent Office to Scrutinize Merck's Keytruda

US Senator Elizabeth Warren has sent the nation's top patent regulator a letter urging close scrutiny of Merck's requests for new patents on its blockbuster cancer treatment Keytruda, saying further efforts to protect the drug could be an abuse of the system.
Reuters Health Information

source https://www.medscape.com/viewarticle/988800?src=rss