Hayoun Chun is a Partner in Lee & Ko's Intellectual Property Practice Group. Prior to joining Lee & Ko in 2014, he worked as a Patent Attorney at patent specialty firms, FirstLaw P.C. and Koreana Patent Firm from 2004.Mr. Chun has significant experience in all areas of IP law, including patents, trademarks and design practice and litigation, patent prosecutions before the Korean Intellectual Property Office, invalidations, cancellations and scope confirmation trials before the Intellectual Property Tribunal and the Patent Court, as well as infringement actions before the judicial courts. His expertise also extends to IP management, IP licensing and distribution agreements, unfair competition, and trade secret protection.In technical aspect, he has been involved in many cases in the fields of wireless communications, electronics, and information technology. Examples of the types of cases he has handled include a patent dispute relating to RFID technology, an invalidation action against a group of patents related to internet searching technology, a patent prosecution relating to semiconductor manufacturing technology, etc. Also, he has handled patent disputes involving semiconductor technologies and optical technologies.
He has been successfully representing and counseling clients in cross-border cases based on his language skill and understanding of various IP systems in various jurisdictions. He involved multiple US patent infringement cases filed against Korean companies and IP disputes in Korea involving non-Korean companies. Notable cases include representation of German automobile component manufacturer in Korean patent infringement litigation, a U.S. based company in Korean trademark dispute, a Korean communication device manufacturer in a U.S. patent infringement lawsuit, a U.S. based AOI (Automatic Optical Inspection) equipment manufacturer in patent infringement dispute in Korea, and a Korean solar cell manufacturer in a U.S. ITC and district court proceeding and infringement lawsuits in Germany and Australia.He also experienced copyright disputes related to computer software licensing agreement, and participated in number of IP licensing and financing deals. In recent years, he has been involved in disputes relating to mobile and computer games, which is one of fastest growing business in Korea as well as in the world.
Mr. Chun holds a B.S. in Electrical Engineering from Seoul National University, and a J.D. from Korea Law School.He is admitted to the Korean Bar and also to the Korean Patent Bar.