Patent No. EP2797581 (titled "Formulations Of (+)-2-[1-(3-Ethoxy-4-Methoxy-Phenyl)-2-Methanesulfonyl-Ethyl]-4-Acetyl Aminoisoindoline-1,3-Dione") was filed by Amgen Europe on Dec 26, 2012. The application was issued on May 6, 2020.

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