The law firm Cheongchul's Um Sang-yun Attorney was appointed on September 28, 2022, as a small and medium enterprise technology protection field advisory expert operated by the Korea Small Business Corporation.

Attorney Um Sang-yun plans to provide consultation activities to prevent technology leaks by internal personnel of small and medium enterprises in advance and to support post-disaster recovery projects for affected small and medium enterprises, thereby solving issues such as technology protection and leakage.