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Managing Partner / Attorney at Law

Keishi Yoshikawa

吉川 景司

M&A IPO Support Organizational Structure Establishment IT Sector Advertising and Labeling (Act against Unjustifiable Premiums and Misleading Representations Pharmaceutical and Medical Device Act etc.) Personal Information and Data Protection Financial Regulatory Compliance Intellectual Property Rights Trade Secrets Labor & Employment Biotech & HealthTech Pharmaceutical Sector Regulatory Authority Response

略歴

Established Yoshikawa Sogo Law Office after serving as a Partner at Uryu & Itoga Law Firm. The primary clientele includes major corporations in the IT, finance, healthcare/pharmaceutical, and various manufacturing sectors. Engages in M&A, domestic and international IPO support, and organizational structure establishment. Additionally, handles advertising and labeling, personal information and data protection, regulatory authority response, labor and employment, crisis management upon the occurrence or discovery of misconduct, and other business-related dispute resolutions.

経歴

  • Yoshikawa Sogo Law Office (Tokyo, Japan)
    • Founding Partner, September 2022 –
    • Present Practice Areas: M&A, IPO Support, Organizational Structure Establishment, IT Sector, Advertising and Labeling (Act against Unjustifiable Premiums and Misleading Representations, Pharmaceutical and Medical Device Act, etc.), Personal Information and Data Protection, Financial Regulatory Compliance, Intellectual Property Rights, Trade Secrets, Labor & Employment, Biotech & HealthTech, Pharmaceutical Sector, Regulatory Authority Response
  • Uryu & Itoga Law Firm (Tokyo, Japan)
    • Partner, November 2020 – August 2022
    • Associate, July 2014 – October 2020
  • Abe International Law Office (Osaka, Japan)
    • Associate, December 2012 – May 2014
  • Scalar, Inc.
    • Outside Auditor, April 2024 – Present
  • PA Commons Co., Ltd.
    • Director, June 2024 – Present
  • Dai-ichi Tokyo Bar Association, Committee on Reform of Attorneys’ Work, 4th Subcommittee
    • Member, April 2024 – Present
  • Japan Federation of Bar Associations (JFBA), Support Program for International Operations of Small and Medium-sized Enterprises
    • Attorney Recommended by the Dai-ichi Tokyo Bar Association, April 2024 – Present
  • TOKYO Sogyo Station (Startup Station) Expert Consultation
    • Expert Dispatched by the Japan Federation of Bar Associations (JFBA), April 2025 – Present
  • Japan Patent Attorneys Association (JPAA),
    • Patent Committee, 3rd Subcommittee Member, April 2025 – Present
  • Japan Patent Attorneys Association (JPAA),
    • Unfair Competition Prevention Act Committee Member, April 2025 – Present
  • Japan Patent Attorneys Association (JPAA),
    • Patent Attorney Act Amendment Committee Member, April 2022 – March 2024
  • Japan Patent Office (JPO),
    • Intellectual Property Acceleration Program (IPAS) Associate Mentor, September 2023 – April 2024
  • The University of Tokyo Graduate Schools for Law and Politics,
    • J.D. Program Instructor for Pre-Law Students, April 2015 – March 2017
  • Japan Network Information Center (JPNIC),
    • 2018 DRP Review Committee DRP Precedent Review Expert Team Member, January 2018 – March 2019

出版物・講演

  • Achieving Corporate Attractiveness for M&A – Governance Preparation with Legal and Labor Due Diligence in Mind Speaker at a Seminar hosted by KiteRa, Inc., October 2025
  • Legal Considerations and Practical Tips for Cross-Border M&A Speaker at the University of Tokyo Summer Seminar hosted by Horitsu Sensei, September 2024.
  • Legal Issues and Solutions Hidden in the Digitalization of Business Documents – Ignorance is No Excuse Panelist in a Discussion Session, ZDNet Japan, October 2022

  • AI, ChatGPT, and the Present and Future of the Legal Profession Panelist in a Discussion Session, The University of Tokyo Law School Alumni Association, September 2023.

  • Legal Issues and Solutions Hidden in the Digitalization of Business Documents – Ignorance is No Excuse Panelist in a Discussion Session, ZDNet Japan, October 2022.

  • Litigation Practice related to Crypto-Currency in Japan and New Regulatory Framework of Crypto Currency in Japan Speaker and Panelist in the Fintech Section, Legalink Forum in Mexico, November 2018.

  • ICO and Token Sales – Regulatory Framework in Various Jurisdictions Legalink, February 2018.

  • Copyrightability of Works of Applied Art Business Law Journal, January 2017.

  • Method for Determining the Inventor Business Law Journal, September 2016.

  • Intellectual Property System in the Russian Federation JCA Journal, October 2015.

  • Intellectual Property System in Italy IP Forum, August 2015.

  • The Hague Agreement Concerning the International Registration of Industrial Designs, Geneva Act (Revised): Practical Tips for Utilizing the Hague System IP Prism, April 2015.

  • Overview and Key Points of the International Registration System for Industrial Designs IP Research Group 132nd Research Report, February 2015.

  • Social network game copyright infringement denied Managing IP, June 2014.

  • Apple vs. Samsung: the first FRAND case Managing IP, May 2014.

  • Hindsight excluded in inventive step Managing IP, December 2013.

  • Apple vs. Samsung cases so far Managing IP, November 2013.

  • Japanese IP High Court Grand Panel Eases Lost Profits Proof Managing IP, June 2013.

  • How Crocodile won back its trademark Managing IP, May 2013.