PARIS--(BUSINESS WIRE)--Cytheris SA, a clinical stage biopharmaceutical company focused on research and development of new therapies for immune modulation, today announced that it has received a Notice of Allowance from the U.S. Patent and Trademark Office (USPTO) for its patent application "IL-7 Drug Substance, Composition, Preparation and Uses", US Patent Application Number 10/522,883. The Notice of Allowance is the USPTO’s official communication that the Company’s application has successfully completed examination and that a patent will be issued.