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Atsumi & Sakai
Yasuhiro Usui
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Yasuhiro Usui

Senior Partner

Fukuoka Affiliate Office*

Main Practices
General Corporate Legal Affairs / Venture Finance / Establishing Companies and Businesses for Startups / M&A, Corporate Reorganization, and Joint Ventures / Regional Corporate Restructuring / Inward Investment / Financial Regulation / Structured Finance and Securitization / Real Estate Transactions / Regional Finance / Regional Industrial Promotion / DMO / Destination Management Frameworks / Accommodation tax and other locally generated revenue / Area Management / Integrated Resorts / Night-time Economy / (Untitled) / Fintech / Cashless Payments and E-money / Crowdfunding / AgriTech and Food Tech / Food, Beverages, and Alcohol / Food and Agricultural Regulation and Product Safety / Protection of Rights in Agricultural Products and Foods / Distribution of Agricultural Products and Food / Agriculture, Forestry and Fisheries in General / Subcontracting and Misrepresentations / Intellectual Property Transactions / Intellectual Property Registration / Brand Protection and Counterfeiting / Digital Platforms / Open Innovation and Startups / Public Relations, Regulatory Reform, and Sandbox / Data Protection, Privacy, and Cybersecurity / Personal Information, Privacy/Big Data / Data Utilization / Labor and Employment Law / Product Liability / Finance/investment-related Disputes
Languages
Japanese / English
Office
Fukuoka
TEL
+81-(0)70-1267-8601

* Member of A&S Fukuoka LPC**. Not a member of Atsumi & Sakai.

**Although A&S Fukuoka LPC is affiliated with Atsumi & Sakai Legal Professional Corporation, it is a separate corporation and is not a branch office of Atsumi & Sakai Legal Professional Corporation.

Contact

Overview

Publications & Seminars

Awards

Admitted

Japan (2007)

Bar Association

Fukuoka Bar Association

Education

Keio University (LL.B., 2004)
Sophia Law School (J.D., 2006)
Legal Training and Research Institute of the Supreme Court of Japan
Queen Mary College, University of London (Diploma in Intellectual Property Law, 2014)
University of Pennsylvania (LL.M., 2015)

Background

Seconded with the investment banking division of a major securities company (April 2011-March 2012)
Major seeds and pesticides manufacturer (January 2016-February 2017)
Secondment with Cool Japan Fund Inc. (February 2017-January 2018)
Atsumi & Sakai, Partner (2017-)
Establishment of A&S Fukuoka LPC (2022)

Member

Intellectual Property Lawyers Network Japan (IPLNET)
Intellectual Property Association of Japan

Publications

  • “Lawyers Guide 2024,” Lexis Nexis and Business & Law LLC (January 2024) [Interview]
  • “Contract Templates for Equity Investment in Startups,” Fintech Association of Japan (2023) [as a Study Group Secretariat]
  • Techniques for Utilizing Regional Financing, Kinzai Institute for Financial Affairs (2022) [Co-author]
  • Revised Intellectual Property Strategies for Proactive Agriculture, Forestry, and Fisheries – Establishment of Japan Food Brand - Textbook for Agriculture, Forestry, and Fisheries Intellectual Property, the Research Institute of Economy, Trade and Industry (2021) [Co-author]
  • Manual for Drafting Syndicated Loan Agreements New Edition‐Practical Know-how in Domestic and Overseas Joint Financing‐Fourth edition, CHUOKEIZAI-SHA INC. (2021) [Co-author]
  • Legal Consulting on Intellectual Property of Agriculture, Forestry and Fisheries, Part II, SEIRIN SHOIN (2019) [Co-author]
  • Real Estate Investment Trust – Theory and Practice, 2nd Edition,  Koubundou Publishers Inc. (2019) [Co-author]
  • “Application of Blockchain to Intellectual Property and Content Management: Based on Actual Cases of Services Overseas and Discussions of Legal Systems,” Intellectual Property Management Journal, April Edition, Vol. 69 No.4 (No. 820) (2019) [Co-author]
  • “Research Study on Recent Trends of Data Protection Acts in Other Countries,” Personal Information Protection Commission (2018) [Co-author]
  • Manual for Drafting Syndicated Loan Agreements New Edition‐Practical Know-how in Domestic and Overseas Joint Financing‐Third edition, CHUOKEIZAI-SHA INC. (2018) [Co-author]
  • Intellectual Property Strategies for Proactive Agriculture, Forestry, and Fisheries – Establishment of Japan Food Brand - Textbook for Agriculture, Forestry, and Fisheries Intellectual Property, the Research Institute of Economy, Trade and Industry (2018) [Co-author]
  • Manual for Drafting Syndicated Loan Agreements New Edition‐Practical Know-how in Domestic and Overseas Joint Financing‐Second edition, CHUOKEIZAI-SHA INC. (2014) [Co-author]
  • Manual for Drafting Syndicated Loan Agreements New Edition‐Practical Know-how in Domestic and Overseas Joint Financing, CHUOKEIZAI-SHA INC. (2011) [Co-author]
  • Real Estate Investment Trust – Theory and Practice, Koubundou Publishers Inc. (2011) [Co-author]
  • “Q&A: Responding to Borrower Requests for Amendment of Residential Home Loan Terms” Financial Compliance, Banking Education Co., Ltd. (May 2010) [Co-author]
  • Theory and Practice of TMKs—Asset Liquidation Using TMKs, Kinzai Institute for Financial Affairs (2009) [Co-author]
  • Quick Guide to the Revised Insurance Law, Nippon Jitsugyo Publishing (2009) [Co-author]
  • Commentary on the Insurance Law, Koubundou (2008) [Co-author]
  • “Outline of the Revised Insurance Law and Compliance Issues concerning Insurance Sales through Banks and other Depository Institutions,” Financial Compliance, September 2008, by Banking Education Co., Ltd., 2008 [Co-author]

Web Articles

Newsletters

Seminars

  • “Vol.1: Mastering Compliance Strategies to Strengthen Corporations - Learning from Recent Serious Corporate Scandals-.,” at a seminar entitled “A&S　Fukuoka Affiliate Office Three Year Anniversary Seminar,” hosted by A&S Fukuoka LPC and Atsumi & Sakai, July 18, 2025
  • “The Basics of Investing in Startups: Pitfalls and Latest Trends,” hosted by Atsumi & Sakai Start-up Support Practice Team, May 13, 2025
  • “Lawyers Cutting Through: How to Create a Venture Company,” at the PARKS Mentoring Event, hosted by Platform for All Regions of Kyushu & Okinawa for Startup-ecosystem (PARKS), March 21, 2025
  • “The Roots of Startup Fundraising - Focusing on the Pitfalls -,” hosted by Hokkaido University, October 17, 2024
  • “Recent Trends and Legal Considerations for Investing in Taiwan,” hosted by Atsumi & Sakai, Lee and Li, Attorneys-at-Law and Japan Institute for Overseas Investment, July 23, 2024
  • “A&S Fukuoka LPC - Taiwan Legal Affairs Seminar,” hosted by A&S Fukuoka LPC, May 16, 2024 
  • “What do Taiwanese companies need to know to expand into Kyushu, Japan - Obstacles and Support for Investing in Japan,” hosted by Lee and Li, Attorneys-at-Law in cooperation with Atsumi & Sakai, A&S Fukuoka LPC, Kumamoto Prefecture and Monte Jade Science and Technology Association, March 25, 2024
  • “The Roots of Startup Fundraising - Focusing on the Pitfalls -,” hosted by Kyoto University Innovation Capital Co., March 21, 2024
  • “Session 3: Real Estate Fund,” at a seminar entitled “A&S Fukuoka LPC - New Office Commemorative Seminar,” hosted by A&S Fukuoka LPC and Atsumi & Sakai, July 7, 2023
  • “Session 2: Internal Reporting,” at a seminar entitled “A&S Fukuoka LPC - New Office Commemorative Seminar,” hosted by A&S Fukuoka LPC and Atsumi & Sakai, June 30, 2023
  • “Session 1: Useful Basic Knowledge of Labor Laws in Practice and How Employees Should Deal with Issues on a Case-by-case Basis,” at a seminar entitled “A&S Fukuoka LPC - New Office Commemorative Seminar,” hosted by A&S Fukuoka LPC and Atsumi & Sakai, June 23, 2023
  • “PartⅡFor Health-care Startups ~Based on Practical Examples~,” at the seminar for health-care startups, hosted by Atsumi & Sakai, April 25, 2023
  • “Introduction of IPO by Local Companies,” hosted by Atsumi & Sakai, December 5, 2022
  • “Establishing an anti-social forces screening system when preparing for an IPO,” hosted by Atsumi & Sakai, November 7, 2022
  • Internal seminar ”Contract Compliance and Force Majeure on the Subject of Responsibility to Supply Semiconductors” at a client company, October 2021
  • “Innovation and Regulatory Initiatives,” at a syposium ”Insights into the New Era of Industrial Innovation and related Legal Issues,” hosted by Westlaw Japan K.K. and Jiji Press, Ltd., January 30, 2020
  • “Personal Information Protection System of Business and the World (Data Protection Act),” hosted by Atsumi & Sakai and Westlaw Japan K.K., July 4, 2018
  • “MBO 2012 Practical Impact of Judicial Decisions - Culture Convenience Club and Other Cases”, hosted by Kinyu Zaimu Kenkyukai, August 29, 2012
  • “Compliance with Laws and How to Deal with Troubles at Banking Offices,” hosted by the Training Institute of Regional Banks Association of Japan, June 18, 2009