ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,803, issued on Oct. 14, was assigned to iBio Inc. (San Diego).

"Engineered CD25 polypeptides and uses thereof" was invented by Matthew P. Greving (San Carlos, Calif.), Phung Tu Gip (San Francisco), Mohan Srinivasan (Cupertino, Calif.), Andrew Morin (San Mateo, Calif.), Kevin Eduard Hauser (Jupiter, Fla.), Jordan R. Willis (Hayward, Calif.), Cody A. Moore (San Francisco), Christian Barrett (San Diego), Alex T. Taguchi (San Mateo, Calif.) and Angeles Estelles (Belmont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein engineered polypeptides that comprise a combination of spatially-associated topological constraints, wherein at lea...