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Yukihiko Koshimoto

Yukihiko Koshimoto

Osaka

Partner (Attorney)
Osaka Bar Association

Practice Areas

  • M&A related law
  • Healthcare related law (e.g. Medical corporation, Social welfare corporation)
  • Construction related dispute (incl. “defect dispute” and “structural strength/ seismic resistance issues”)
  • Real estate related dispute
  • Corporate dispute (incl. shareholders’ derivative action and corporate non-contentious cases such as stock attribution dispute and stock valuation)
  • Business succession

Biography

1979 Born in Kyoto
Mar. 1998 Doshisha High School
Mar. 2002 Doshisha University Faculty of Law (LL.B.)
Sep. 2003 The Supreme Court's Legal Research and Training Institute (56th term)
Oct. 2003 Midosuji LPC
Jan. 2011 Partner of Midosuji LPC (- present)
May 2014 Auditor of the medical corporation
Jun. 2014 Outside director of the certain start-up company
Aug. 2016 Executive board member of the medical corporation
Sep. 2017 Outside director of a listed corporation (Audit and Supervisory Committee Member)
Jun. 2018 Visiting Professor, Graduate School of Science, Technology and Innovation
Auditor of the social welfare corporation
Mar. 2020 Member of Clinical Research Ethics Review Committee of a medical corporation
Mar. 2021 Outside Company Auditor of the certain start-up company

Experience

  • M&A legal matters (representing business companies, a medical corporation, a social welfare corporation and an educational corporation, etc.)
  • Cases filing for setting stock purchase/ acquisition prices (representing business companies)
  • Shareholders’ derivative actions (representing company officers)
  • Litigation seeking revocation of disciplinary action given to an architect (After winning in the first trial, the case was closed)
  • Cases of dispute over a lack of structural strength/ seismic resistance in apartment houses ( representing contractors)
  • Bid-rigging related litigation (incl. administrative litigation, civil damages lawsuits and criminal action; representing contractors)

Publications

  • “Hospital HR Management in the Work-Style Reform Era”
    (A serial in 19 installments from June 2018 issue to December 2019 issue in the journal, “Hospital” published by Igaku-Shoin)
  • “Responses and Points to Note Regarding Increasing Carve-Out M&A” (Business & Law LLC “Lawyers Guide – Key Legal Issues Selected by Companies for 2025”, July 2025)

Lectures

  • “Discussion on Stock Valuation in Share Purchase demand, etc.”
  • “M&A of Company Limited” (co-hosted by banking institutions)
  • “M&A of Medical Corporation” (co-hosted by banking institutions; hosted by an auditing firm; hosted by Japan Business Management, Inc.; and hosted by a tax corporation)
  • “Implementation of the ‘My Number’ Individual Number System at Medical Institutions; Actual Practice and Future Direction”
    (Japan Business Management, Inc.)
  • “Response to 2015 Revised Medical Care Act and Corporation to promote cooperation for Community Health Care” (co-hosted by an auditing firm, a medical association and a banking institution; hosted by a listed corporation; and hosted by a medical management association)
  • “Revised Corporate Act and M&A” (co-hosted by banking institutions; hosted by a tax corporation)
  • “Revised Civil Code (Law of Obligations) and M&A” (co-hosted by banking institutions)
  • “Validity and Scope of Disclaimer in Defect Warranty Special Provisions” (hosted by a banking institution)
  • “Legal Points on Execution of SPA (Stock Purchase Agreement)” (hosted by a auditing firm)
  • “Legal Risks surrounding Medical Corporations (e.g. difficult “monster” patients, medical debt collection, labor management) (co-hosted by a medical association and a banking institution; hosted by a listed corporation; and hosted by a tax corporation)
  • “Accidents at Facilities; Where Liability Lies?” (hosted by a listed corporation [a real estate group company])
  • “Initial Response to Customer’s Bankruptcy in the Real Estate Leasing Business” (hosted by a listed corporation [a real estate group company])
  • “FA Services and Revised Civil Code (Law of Obligations), Work-Style Reform and Recent Court Cases/Precedents” (at Networking Event for Japan Regional Banks M&A Personnel)
  • “Human Resources/ Labor Control in Hospital Management” (hosted by Hospital Association)
  • “Harassment Risks in Hospital Management” (hosted by Medical Corporations)

Our People(All)