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Sung-Joo YOON Attorney

T.+82-2-3703-1066 F.+82-2-737-9091/9092
Sung-Joo YOON Attorney
Sung-Joo YOON Attorney

Sung-Joo YOONAttorney

T.+82-2-3703-1066 F.+82-2-737-9091/9092 E.sjyoon@kimchang.com

Related EXPERTISE

Bio

Sung-Joo Yoon is an attorney at Kim & Chang.

He primarily practices in the firm's antitrust and competition, mergers & acquisitions, foreign direct investment, corporate governance, and international practices.

Mr. Yoon regularly represents various multinational companies in investigations, cases and enforcement actions initiated by the Korea Fair Trade Commission (KFTC), including those related to abuse of dominant market position, unfair trade practices and cartel activities. In addition, Mr. Yoon advises the firm’s clients in M&A transactions on all aspects of the M&A practice, including investment acquisitions and formation of joint ventures by multinational companies in Korea.

He received an LL.M. from Duke University School of Law in 1999, graduated from the Judicial Research and Training Institute of the Supreme Court of Korea in 1991, and received an LL.B. from Seoul National University College of Law in 1988. He is admitted to the New York bar and the Korean bar.

Profile

Experience

  • Integrity Ombudsman, Korea Fair Trade Commission (2011.3.-2013.2.)
  • Foreign Associate Attorney, Davis, Polk & Wardwell, New York (1999)
  • Kim & Chang (1994-Present)
  • Judge Advocate, Republic of Korea Army (1991-1994)

Representative Mattersshow

Antitrust and Competition
 
  • Represented a global IT company in the KFTC’s investigation of abuse of dominance. 
  • Represented a global web portal company in the KFTC’s investigation of abuse of dominance. 
  • Represented a global general chemical company in the KFTC’s investigation of abuse of dominance. 
  • Represented a telecommunication company in the KFTC’s investigation of cartel. 
  • Represented a major life insurance company in the KFTC’s investigation of cartel. 
  • Represented a global air cargo company in the KFTC’s investigation of cartel. 
  • Represented an auto manufacturer in the KFTC’s investigation of cartel. 
  • Advised on the KFTC’s merger review of combination of large retail companies. 
  • Represented a major outdoor clothing company in the KFTC’s investigation of resale price maintenance and unfair trade practices. 
  • Represented a major Korean boiler manufacturer in the KFTC’s investigation of unfair labeling or advertising. 
 
Mergers & Acquisitions
 
  • Represented a global precision materials company in its M&A transaction. 
  • Advised on the establishment of a subsidiary company and the acquisitions of Korean companies by a global construction materials company. 
  • Represented a global liquor company in its investment to form a joint venture company in Korea. 
  • Represented a Korean company in its acquisition of a global construction equipment company. 
  • Represented a global steel manufacturer in its investment to form a joint venture company in Korea. 
  • Represented a global food company in its operation of a joint venture in Korea.

Representative Activitiesshow

Awards

  • Leading Lawyer, Who’s Who Legal: Korea, Competition (Who’s Who Legal, 2019) 
  • Thought Leader, Who’s Who Legal: Competition (Who’s Who Legal, 2018) 
  • Leading Lawyer, Asialaw Leading Lawyers: Competition & Antitrust (Euromoney, 2013) 
  • Leading Lawyer, Expert Guides: Competition & Antitrust (Euromoney, 2012) 
  • Leading Lawyer, Who's Who Legal: Competition (Who’s Who Legal, 2010-2018) 
  • Key Individual, Chambers Asia-Pacific, Competition/Antitrust (Chambers and Partners, 2009)

Publications/Activities
    • “Overview on the Network Neutrality” (in Korean), Law & Technology, Vol 10, Issue 3 (Seoul National Univ. Center for Law & Technology, 2014.5.)
    • “Competition Law and the Internet-Based Business Activities: Analysis of the Cases” (in Korean), Law & Technology, Vol 9, Issue 6 (Seoul National Univ. Center for Law & Technology, 2013.11.)
    • “Practical Issues of Current Regulations on Holding Companies” (in Korean), BFL Vol 59 (Seoul National Univ. Center for Financial Law, 2013.5.)
    • “Patent Pool, Standardization and Patent Misuse: (PRINCO Case)” (in Korean), Law & Technology, Vol 9, Issue 1 (Seoul National Univ. Center for Law & Technology, 2013.1.)

Education

    Duke University School of Law (LL.M., 1999)

    Judicial Research and Training Institute of the Supreme Court of Korea (1991)

    College of Law, Seoul National University (LL.B., 1988)

Qualifications

    Admitted to bar, Korea, 1991; New York, 2000

Languages

Korean and English

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Sung-Joo YOON
Attorney


T. +82-2-3703-1066      
F. +82-2-737-9091/9092
     


  




Sung-Joo Yoon is an attorney at Kim & Chang.

He primarily practices in the firm's antitrust and competition, mergers & acquisitions, foreign direct investment, corporate governance, and international practices.

Mr. Yoon regularly represents various multinational companies in investigations, cases and enforcement actions initiated by the Korea Fair Trade Commission (KFTC), including those related to abuse of dominant market position, unfair trade practices and cartel activities. In addition, Mr. Yoon advises the firm’s clients in M&A transactions on all aspects of the M&A practice, including investment acquisitions and formation of joint ventures by multinational companies in Korea.

He received an LL.M. from Duke University School of Law in 1999, graduated from the Judicial Research and Training Institute of the Supreme Court of Korea in 1991, and received an LL.B. from Seoul National University College of Law in 1988. He is admitted to the New York bar and the Korean bar.






    •   Integrity Ombudsman, Korea Fair Trade Commission (2011.3.-2013.2.)
    •   Foreign Associate Attorney, Davis, Polk & Wardwell, New York (1999)
    •   Kim & Chang (1994-Present)
    •   Judge Advocate, Republic of Korea Army (1991-1994)





Antitrust and Competition
 
  •   Represented a global IT company in the KFTC’s investigation of abuse of dominance. 
  •   Represented a global web portal company in the KFTC’s investigation of abuse of dominance. 
  •   Represented a global general chemical company in the KFTC’s investigation of abuse of dominance. 
  •   Represented a telecommunication company in the KFTC’s investigation of cartel. 
  •   Represented a major life insurance company in the KFTC’s investigation of cartel. 
  •   Represented a global air cargo company in the KFTC’s investigation of cartel. 
  •   Represented an auto manufacturer in the KFTC’s investigation of cartel. 
  •   Advised on the KFTC’s merger review of combination of large retail companies. 
  •   Represented a major outdoor clothing company in the KFTC’s investigation of resale price maintenance and unfair trade practices. 
  •   Represented a major Korean boiler manufacturer in the KFTC’s investigation of unfair labeling or advertising. 
 
Mergers & Acquisitions
 
  •   Represented a global precision materials company in its M&A transaction. 
  •   Advised on the establishment of a subsidiary company and the acquisitions of Korean companies by a global construction materials company. 
  •   Represented a global liquor company in its investment to form a joint venture company in Korea. 
  •   Represented a Korean company in its acquisition of a global construction equipment company. 
  •   Represented a global steel manufacturer in its investment to form a joint venture company in Korea. 
  •   Represented a global food company in its operation of a joint venture in Korea.





Awards

  •   Leading Lawyer, Who’s Who Legal: Korea, Competition (Who’s Who Legal, 2019) 
  •   Thought Leader, Who’s Who Legal: Competition (Who’s Who Legal, 2018) 
  •   Leading Lawyer, Asialaw Leading Lawyers: Competition & Antitrust (Euromoney, 2013) 
  •   Leading Lawyer, Expert Guides: Competition & Antitrust (Euromoney, 2012) 
  •   Leading Lawyer, Who's Who Legal: Competition (Who’s Who Legal, 2010-2018) 
  •   Key Individual, Chambers Asia-Pacific, Competition/Antitrust (Chambers and Partners, 2009)

Publications/Activities

  •   “Overview on the Network Neutrality” (in Korean), Law & Technology, Vol 10, Issue 3 (Seoul National Univ. Center for Law & Technology, 2014.5.)
  •   “Competition Law and the Internet-Based Business Activities: Analysis of the Cases” (in Korean), Law & Technology, Vol 9, Issue 6 (Seoul National Univ. Center for Law & Technology, 2013.11.)
  •   “Practical Issues of Current Regulations on Holding Companies” (in Korean), BFL Vol 59 (Seoul National Univ. Center for Financial Law, 2013.5.)
  •   “Patent Pool, Standardization and Patent Misuse: (PRINCO Case)” (in Korean), Law & Technology, Vol 9, Issue 1 (Seoul National Univ. Center for Law & Technology, 2013.1.)





Education

    Duke University School of Law (LL.M., 1999)

    Judicial Research and Training Institute of the Supreme Court of Korea (1991)

    College of Law, Seoul National University (LL.B., 1988)


Qualifications

    Admitted to bar, Korea, 1991; New York, 2000


Languages
  •    Korean and English





Antitrust & Competition ,  Mergers & Acquisitions ,  Foreign Direct Investment ,  Corporate Governance & Shareholder Disputes ,  International Practice