Elan partner not a takeover target
Earlier this year, Biogen was touted as a potential takeover target for a number of players such as Johnson & Johnson, Sanofi, Pfizer and one of its own shareholders, US billionaire Carl Icahn.
In October, as a direct reaction, Dublin-headquartered Elan signed up international investment bank Lehman Brothers to advise it on its possible options should Biogen be sold.