Summary
Biogen Inc. (BIIB) announced on June 18, 2020, that the U.S. District Court for the Northern District of West Virginia ruled the asserted claims of its U.S. patent No. 8,399,514 invalid. This patent specifically covers the 480 mg/day daily dosing regimen of dimethyl fumarate for treating multiple sclerosis, which is the basis for its key drug, TECFIDERA®. This ruling is significant as it could impact the exclusivity and market protection of TECFIDERA®. Biogen has stated its intention to appeal this decision, indicating a commitment to defending its intellectual property. Investors should closely monitor the progress and outcome of this appeal, as it will have direct implications for TECFIDERA®'s future market position and Biogen's revenue streams.
Key Highlights
- 1Biogen's U.S. patent No. 8,399,514, covering TECFIDERA®'s 480 mg/day dosing regimen for multiple sclerosis, has been found invalid by the U.S. District Court for the Northern District of West Virginia.
- 2The ruling pertains to a specific patent related to the administration of dimethyl fumarate for treating MS.
- 3Biogen intends to appeal the district court's decision.
- 4This development could potentially impact the market exclusivity and competitive landscape for TECFIDERA®.
- 5Investors should closely follow the appeal process.