Mr. Gayoso focuses his practice on the preparation and prosecution of domestic and foreign patents in the mechanical and electrical arts, patent due diligence, infringement, and validity investigations, litigation involving IP rights, client portfolio consulting, as well as trademark counseling, clearance and prosecution before the United States Patent and Trademark Office. Mr. Gayoso has worked with a broad range of technologies, including mechanical-electrical apparatus, medical devices, telecommunications, materials science, document, and image processing systems, computer systems and business methods.