As Biogen’s new CEO Chris Viehbacher pores over Biogen’s books and scouts out M&A deals, he may have one advantage his predecessor didn’t: a good relationship with his board of directors.

Roche's Genentech Inc (ROGING.UL) sued Biogen MA Inc on Tuesday in San Francisco federal court, claiming Biogen owes additional patent royalties from worldwide sales of its blockbuster multiple ...