ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,139, issued on Sept. 15, was assigned to Verona Pharma Ltd. (London).

"Ensifentrine for decreasing the frequency/severity of COPD exacerbations" was invented by Tara Renae Rheault (Cary, N.C.), Kathleen Rickard (Durham, N.C.) and Thomas Bengtsson (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a compound for use in a method for decreasing the frequency and/or severity of chronic obstructive pulmonary disease (COPD) exacerbations in a patient suffering from COPD, wherein the compound is ensifentrine or a pharmaceutically acceptable salt thereof. The present invention also relates to a compound for use in...