Attorney Park has been working on US patent and Trademark prosecutions and disputes for over 10 years as of 2025. Before starting his practice in the US, he worked as a System on Chip design engineer for Digital TV for 6 years. His areas were digital video processing and bus system random verification. He also participated as an inventor in the US patent related to Direct Memory Access (US7779174).

He has worked on US patent prosecutions for approximately 600 cases in various technical fields, including communications and networks (Huawei), display panel design and process (Vision Ox), electric vehicles/battery controlling (Audi), and medical devices (Shimadzu). The patent/trademark dispute cases in which he participated as a member or a leader of litigation teams are as follows:

Polar Electro OY v. Suunto OY et al., (D.Utah, 1:17-cv-00139)

Palomar Technologies, Inc. v. MRSI Systems, LLC., (MA D. 2020))

Metall Zug AG et al. v. Carl Zeiss Meditec AG et al., (IPR2020-01074 and IPR2020-00916)

Taiga Inc. v. Mitri Management and Consulting LLC., (Opposition No. 91291422)

Attorney Park has been mainly working for the US patent prosecutions of Artificial Intelligence (AI)-related inventions for the past three years. In particular, he has received favorable reputations from many clients for overcoming the difficult US patent eligibility rejection (§101-patent eligibility) for software and business method inventions. (e.g. Application Nos.:17847905; 16869022; 17575653; 17742535; 17434549; 16626493; 17802217; 18050481; 18454830; 17558976; 17892332)

Since 2024, as the founding attorney of ZION IP, he has continuously provided legal services for clients seeking to secure US intellectual property rights.

Attorney Park is a Washington DC bar member and a registered US patent attorney before the United State Patent and Trademark Office. He graduated from Handong International Law School and received a bachelor's degree in Electronics/Electrical engineering from Kyungpook National University.