There's some thought Astellas could buy the Lexiscan royalty and ex-US rights directly from Gilead, carve it out. Win-Win. Either way i'm sure that's better than an outright bidding war.
GILD cleared by FTC to buy CVTX April 1, 2009 http://finance.yahoo.com/news/Gilead-Sciences-says-apf-14814641.html Tender offer ends April 14. The purchase would give Gilead ownership of the angina treatment Ranexa, as well as a sales force that could be used to market Gilead's blood pressure drug candidate darusentan, according to analysts.