ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,629, issued on June 23, was assigned to Spiral Therapeutics Inc. (South San Francisco, Calif.).

"Systems and methods for treating hearing loss" was invented by Eugene de Juan (South San Francisco, Calif.), Signe Erickson (South San Francisco, Calif.), Charles Limb (South San Francisco, Calif.), Hugo Peris (South San Francisco, Calif.), Andrew Ayoob (South San Francisco, Calif.) and Vrad Levering (South San Francisco, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods can be employed for trans-tympanic membrane access to the middle ear for delivery of a therapeutic agent, for example, to the round window niche adjacent to the c...