Sa-Ryang focuses his practice on counseling, procurement, portfolio management and patent trials of intellectual property right in Korea. Technical areas of emphasis include mechanical technologies, AI technologies, automobiles, intelligent robots, display, medical devices, and bio technology, etc. He is also an expert in trademark and design right. He has work experience at Korean IP firm such as Shinsung, and represented Korean Companies and Universities such as Sk Hynix, KAIST, KIST, GIST, and Japanese Companies such as Denso.