The European Patent Office (EPO) has published patent application EP4501326A1, detailing a therapeutic agent for respiratory diseases. The publication date is March 18, 2026, and the applicants are The Jikei University and KOWA COMPANY, LTD. This patent application falls under the IPC classification A61K (Preparations for medical, dental or toilet purposes) and A61P (Specific therapeutic activity of chemical compounds or medicinal preparations).

This publication represents the grant of a patent, which provides exclusive rights to the applicants for their invention within the designated states. Companies operating in the pharmaceutical sector, particularly those involved in respiratory disease treatments, should note this patent for potential licensing, collaboration, or competitive analysis. No immediate compliance actions are required for entities outside of the patent holders, but it signifies a new intellectual property right in the field.