ALEXANDRIA, Va., April 2 -- United States Patent no. 12,263,180, issued on April 1, was assigned to Rigel Pharmaceuticals Inc. (South San Francisco, Calif.).

"Method for treatment of COVID-19-associated conditions" was invented by Esteban Masuda (Menlo Park, Calif.) and Vadim Markovtsov (San Mateo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are a variety of methods that involve administering fostamatinib, an active component thereof or a pharmaceutically acceptable salt thereof to a patient. In some embodiments, the method may comprise administering fostamatinib, an active component thereof or a pharmaceutically acceptable salt thereof to a patient having or suspected of having a C...