On May 13, 2025, Biogen Inc. and Biogen MA Inc. (“Biogen”) filed a Complaint for Declaratory Judgment and Permanent Injunctive Relief against Neurimmune Holding AG and Neurimmune SubOne AG (“Neurimmune”) in the U.S. District Court for the District of Massachusetts. Biogen alleges that Neurimmune wrongfully attempted to “lay claim to…
