Biogen Idec's ($BIIB) multibillion-selling multiple sclerosis drug Tecfidera is grabbing market share left and right, but Denmark's Forward Pharma says it has a plan to take on the monster seller with its own product. It says it is looking at a $200 million IPO in the U.S. to raise money to do clinical trials--but it will spend some of the money for an IP fight against the U.S. drugmaker. Story | More