Mr. Chulhwan Yoon is a patent attorney at LEE & MOCK IP. He qualified as a Korean patent attorney in 2021 and joined the firm in 2022. He specializes in intellectual property matters in the fields of semiconductor circuit design, artificial intelligence (AI), and biosensors, and has built particularly deep experience in patent practice relating to semiconductor circuit design—including DRAM, HBM, NAND flash memory, and neural network accelerators—as well as biosensor technologies such as continuous glucose monitoring (CGM) systems.

Mr. Yoon handles a substantial portfolio of foreign filings for leading Korean corporations, advising on prosecution strategy and managing Office Action responses before major patent offices, including those in Korea, the United States, Europe and China. His practice spans drafting patent specifications and claims, formulating Office Action response strategies, and preparing invention analysis reports.

With a background in electronic engineering, he has a strong technical command of circuits and semiconductor devices, enabling him to secure effective protection for the essential features of an invention. Complementing this foundation with a master\\\'s degree in AI, he provides clients with comprehensive intellectual property services across convergent technologies—spanning semiconductor hardware, software, and AI algorithms.