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Chang An, OCK

Managing Partner

Patent Attorney


- Yonsei University, MS, Computer Engineering

- Yonsei University, BS, Chemical Engineering

Areas of Expertise

- Artificial Intelligence

- Natural Language Process

- Cloud/Edge Computing

- Blockchain/Cryptocurrency

- Rechargeable battery

- Fuel Cell

- Cosmetics

- Light-emitting diode/Display


- Patent Attorney(KIPO, Korea Intellectual Property Office)


- English

- Japanese

- Korean

Mr. Ock began his career as a patent attorney in 2012, and has since provided expert IP services to major Korean companies such as Samsung Electronics, LG Chemcials, and Amorepacific, as well as Japanese companies like Murata Manufacturing, ADEKA Corporation, and NIPPON STEEL Chemical, and Korean startups including Alchera, Dalroll company, Manna Corporation, Netlox, and Guarnec. In 2016, he founded LIBO Patent & Law firm, and has been a member of The Korea Patent Attorneys Association since that time. Mr. Ock is highly skilled in two distinct areas, possessing degrees in both computer engineering and chemical engineering. He is passionate about utilizing artificial intelligence to provide even smarter and more expert IP services.