ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,172, issued on July 15, was assigned to XCELL THERAPEUTICS INC. (Seoul, South Korea).

"Method for preparing 3D cartilage organoid block" was invented by Young Key Shin (Seoul, South Korea), Sang Gyu Park (Gyeonggi-do, South Korea), Young Deug Kim (Gyeonggi-do, South Korea), Jong Chan Ahn (Gyeonggi-do, South Korea), Byoung Jun Park (Gyeonggi-do, South Korea) and Ui II Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is to provide a 3D cartilage organoid block prepared by differentiating mesenchymal stem cells into 3D spheroid cartilage tissues, a basic unit for the 3D cartilage spheroid block. The inventors...