U.S. Court of Appeals for the Federal Circuit Affirms Prior Delaware District Court Rulings in Favor of Acadia in NUPLAZID® (pimavanserin) Composition of Matter Patent

SAN DIEGO--(BUSINESS WIRE)--Acadia Pharmaceuticals Inc. (Nasdaq: ACAD) today announced that the U.S. Court of Appeals for the Federal Circuit affirmed a decision issued by the U.S. District Court for the District of Delaware in December 2023 confirming validity of the NUPLAZID® (pimavanserin) '740 composition of matter patent. The affirmance came in Acadia’s litigation against MSN Laboratories Pvt. Ltd. and MSN Pharmaceuticals, Inc. In its affirmance, the Appeals Court applied the precedent est