Mr. Ji has been engaged in patent practice specializing in mechanical engineering since 2018. From 2018 to 2020, he worked at Beijing Youlian Intellectual Property Agency, where he qualified as an independent patent attorney. From 2020 to 2022, he served at Beijing Chaofan Hongyu Intellectual Property Agency Co., Ltd., providing full‑cycle patent prosecution services for numerous leading enterprises and was recognized as an authorized patent attorney in the preferred agent pool of multiple key clients. From 2022 to 2026, he practiced at Beijing Chenquan Intellectual Property Agency Co., Ltd., further concentrating on intellectual property and patent legal services. Since May 2026, Mr. Ji has been practicing at Han Kun Law Offices.
With years of intensive experience in mechanical patent practice, Mr. Ji covers technical fields including new energy equipment, power batteries, home appliance manufacturing, precision instruments, and automated equipment. He is highly proficient in patent mining, patent landscaping, claim drafting, office action responses, and intellectual property risk prevention and control. He possesses solid theoretical knowledge and extensive practical experience in patent infringement analysis, IP risk mitigation, and enterprise patent portfolio establishment.
His clientele includes listed corporations, as well as specialized, sophisticated, innovative enterprises and technology‑focused SMEs. With strong technical comprehension and professional legal capabilities, he precisely balances technical innovations and the scope of patent protection, supporting clients in technology commercialization and the development of high‑quality intellectual property assets.
