ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,419, issued on April 29, was assigned to Pacira Pharmaceuticals Inc. (San Diego).

"Bupivacaine multivesicular liposome formulations and uses thereof" was invented by Louie D. Garcia (San Diego), Soroush M. Ardekani (San Diego), Paige N. Davis (San Diego), Stephanie M. Kurz (San Diego), Damon A. Leon (San Diego), Kathleen D. A. Los (San Diego), John J. Grigsby Jr. (San Diego), Eran Levy (San Diego) and Alisha R. Simonian (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments of the present application are related to multivesicular liposome formulations comprising high concentration of bupivacaine for the purpose of preventing, trea...