Kim & Chang

Yu-Seog Won

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Practice Areas

Litigation; Intellectual Property; Corporate Investigations & White Collar Defense; Licensing & IP Transactions; Banking, Securities & Finance Litigation; Intellectual Property Litigation; and Trade Secret & Corporate Information Protection.


Kim & Chang (2011-Present);

Presiding Judge, Seoul High Court (2009-11);

Presiding Judge, Patent Court (2007-09);

Chief Judge, Ansan Branch of Suwon District Court (2005-07);

Professor, Judicial Research and Training Institute (2002-05);

Presiding Judge, Daegu District Court (2000-02);

Judge, Seoul High Court (1997-99);

Judge, Yeoju Branch of Suwon District Court (1996-97);

Judge, Daejeon District Court (1993-96);

Judge, Seoul Civil District Court (1991-93);

Judge, Seoul Criminal District Court (1989-91).

Professional Memberships

Korean Bar.


‘Drug Manufacturer Obtains First Damages Award for Infringement of Second Medical Use Patent’ (Co-author, ILO Intellectual Property Newsletter, 2017).


University of Washington School of Law (LL.M., 1995);

Judicial Research and Training Institute of the Supreme Court of Korea (1985);

Seoul National University (LL.B., 1984).