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小一原 潤
小一原 潤

Jun KOICHIBARA

  • Partner
  • Tokyo

Jun Koichibara is a counsel in our Crisis Management team. His practice areas include quality assurance fraud by manufacturers, employee misconduct, trade secret leaks, dealing with governmental authorities, and criminal cases.

Jun Koichibara served as a public prosecutor from 2010 to 2022. In that capacity, he was involved in investigations and trials which covered a wide range of matters, including embezzlement, breaches of trust, tax fraud, and other white-collar crimes. He also has worked as a Visiting Professional at the Chambers of the International Criminal Court.
With over eleven years of experience as a public prosecutor, he advises clients on various crisis management cases involving quality assurance fraud by manufacturers, employee misconduct, trade secret leaks, dealing with governmental authorities, and criminal cases, as well as cross-border cases involving foreign authorities.

News

Education

2015
Georgetown University Law Center (LL.M.)
2014
Vanderbilt University Law School (LL.M.)
2009
Hitotsubashi University School of Law (J.D.)
2006
Sophia University (B.A. in Foreign Studies)

Professional Experience

検事退官
さいたま地方検察庁検事
国際刑事裁判所裁判部(客員専門家)
福島地方検察庁郡山支部検事
京都地方検察庁検事
Attorney at Law, Criminal Affairs Bureau, Ministry of Justice 
Visiting Professional, Chambers, International Criminal Court 
仙台地方検察庁検事
Public Prosecutor