ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,859, issued on June 17, was assigned to EyePoint Pharmaceuticals Inc. (Watertown, Mass.).

"Bioerodible drug delivery devices" was invented by Hong Guo (Watertown, Mass.) and Jianbing Chen (Watertown, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to a bioerodible drug delivery device that can be implanted in a patient at or near an area in need of treatment. The bioerodible drug delivery device can be used to deliver a wide variety of different pharmaceutically active agents, and can do so at a controlled rate and over an extended period of time. The bioerodible drug delivery device includes a bioerodible polymeric outer...