Split U.S. appeals court rejects Biogen bid to revive MS drug patent dispute

Split U.S. appeals court rejects Biogen bid to revive MS drug patent dispute

Source: 
Reuters
snippet: 

A divided U.S. appeals court on Wednesday rejected a request by Biogen Inc to reconsider a decision knocking out part of a key patent for Biogen's multiple sclerosis drug Tecfidera.