Eoptolink Technology USA, Inc.

Eoptolink Technology USA Inc. is the U.S. subsidiary of Eoptolink Technology Inc., Ltd., a publicly listed Chinese company headquartered in Chengdu, Sichuan, China. Founded in 2008, the parent company trades on the Shenzhen Stock Exchange (SZSE: 300502). As of 2025, Eoptolink Technology Inc., Ltd. reported approximately 8,537 employees and a trailing 12-month revenue of $4.1 billion as of March 31, 2026. Eoptolink Technology USA Inc. is based in Fremont, California.

Eoptolink specializes in the research, development, manufacturing, and sale of high-speed optical transceivers and modules. Their product portfolio includes 100G, 200G, 400G, 800G, and 1.6T transceivers, silicon optical modules, and coherent optical modules, designed for telecommunications, data centers, and artificial intelligence (AI) applications. The company also provides solutions for 4G/5G wireless networks, fixed broadband FTTX, and various data communication networks. Eoptolink was ranked as the seventh largest transceiver supplier globally in 2022 and the third largest in 2024.

Regarding patent litigation, Eoptolink Technology USA Inc. is an active participant, currently involved in two tracked cases. The company appears as a plaintiff in a case before the Patent Trial and Appeal Board (PTAB) against Applied Optoelectronics, Inc., filed in October 2025. Concurrently, Eoptolink Technology USA Inc. is a defendant in a related district court case brought by Applied Optoelectronics, Inc. in the United States District Court, Northern District of California, San Jose Division. This indicates a two-way litigation posture, likely involving counter-suits concerning optical transceiver technology.