James (BonSeong) KOO Partner

    Mr. Koo is a registered patent attorney with expertise in mechanical engineering, computer-controlled machines, mechanical vibration, and fluid machines.

    Mr. Koo has patent prosecution experience related to a wide range of technologies and devises patent strategies enabling companies to secure their inventions and position in the fields of  electronic devices, robotics, medical devices, semiconductor manufacturing apparatus, secondary batteries, aerosol generating devices, aerospace apparatus and energy harvesting apparatus, among others. He has prepared numerous legal opinions on validity, infringement and non-infringement and provides design around analysis and advice aiming to minimize the risk of patent litigation.

    Prior to joining MUHANN, Mr. Koo worked for KBK & Associates as managing attorney responsible for preparing and filing patent applications on behalf of Mimaki, Pirrelli, and other leading foreign companies. He also prepared legal opinions regarding patent validity and patent infringement.

    Mr. Koo received his Bachelor of Science in Mechanical Engineering with honors from Korea University.  During his undergraduate studies, he focused on air conditioning machines, refrigerating machines, control engineering, fluid machines, and vibration engineering.


    Korea University (B.E., Mechanical Engineering)


    MUHANN Patent & Law Firm

    KBK & Associates


    Korean Patent Attorneys Association (KPAA)


    Korean, English, Japanese