WESTON, Mass.--(BUSINESS WIRE)--Biogen Idec (NASDAQ: BIIB) today announced that the U.S. Patent and Trademark Office (USPTO) has granted U.S. Patent No. 8,399,514, which offers additional protection for TECFIDERA™ (dimethyl fumarate), the company’s oral therapeutic candidate for the treatment of multiple sclerosis (MS). The patent, which will expire in 2028, covers the dosing regimen of daily administration of 480 mg of TECFIDERA. This regimen is included in the proposed marketing application for TECFIDERA, which is currently under review by the U.S. Food and Drug Administration (FDA).