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Alkermes’ fumarate prodrug patent upheld by EPO despite legalchallenges

( May 15, 2025, 09:18 GMT | Official Statement) -- MLex Summary: The Boards of Appeal of the European Patent Office upheld Alkermes' patent on fumarate prodrugs for treating neurological diseases, including multiple sclerosis, after challenges by Teva, Hexal and Generics. Opponents argued the claims added subject matter, lacked novelty and inventive step, and weren't sufficiently disclosed. The appeal body rejected these arguments, as they found valid amendments, sufficient disclosure, and invention. The appeal was dismissed, and the patent was maintained in amended form per the Opposition Division’s earlier decision.The decision is attached. ...

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