CAMBRIDGE, Mass.--(BUSINESS WIRE)--Biogen Idec (NASDAQ:BIIB) announced today that it is prepared to run a proxy contest to replace at least a majority of the directors of the Board of Facet Biotech Corporation (NASDAQ:FACT) if: Facet shareholders tender a majority of the company’s shares outstanding before Biogen Idec’s tender offer expires and the Facet Board refuses to listen to the explicit wishes of its stockholders.