Patent 12065423 was granted and assigned to Celgene on August, 2024 by the United States Patent and Trademark Office.
Provided herein is a crystalline 4-amino-2-(2,6-dioxopiperidine-3-yl)isoindoline-1,3-dione monohydrate. Pharmaceutical compositions comprising the crystalline 4-amino-2-(2,6-dioxopiperidine-3-yl)isoindoline-1,3-dione monohydrate are also disclosed.