ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,258, issued on Dec. 9, was assigned to HANMI PHARM. Co. LTD. (Hwaseong-si, South Korea).

"Method for preparing long-acting drug conjugate through preparation of intermediate" was invented by Cheongbyeol Shin (Hwaseong-si, South Korea), Dooseo Jang (Hwaseong-si, South Korea), Ji Hye Moon (Hwaseong-si, South Korea), Dong Hyun Kim (Hwaseong-si, South Korea) and Ji Eun Lee (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a novel method for preparing a long-acting drug conjugate and a long-acting drug conjugate prepared using the method."

The patent was filed on April 20, 2023, under Application No. 18/304,074.

*For f...