U.S. federal trademark · Serial No. 76260287
telecommunications equipment, namely, optical transmission, receiving and networking equipment, namely, switches, transmitters, receivers, multiplexers and demultiplexers, add/drop multiplexers, bragg gratings, routers, cross-connects, amplifiers, and regenerators, and optical network and element management, planning, and interface software and computer systems, and optical systems and networks employing such named optical equipment
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.