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Atsumi & Sakai
Ryotaro Ebata
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Ryotaro Ebata

Associate

Main Practices
Labor and Employment Law / Labor and Employment Compliance / Harassment and Misconduct / General Corporate Legal Affairs / Establishing Companies and Businesses for Startups / M&A, Corporate Reorganization, and Joint Ventures / Antitrust Compliance and Investigations / Subcontracting and Misrepresentations / General Civil Litigation / Intellectual Property and IT Disputes / Labor Disputes / Intellectual Property Transactions / Unfair Competition and Protection of Business Data / Personal Information, Privacy/Big Data / Carbon Neutral / Renewable Energy, etc. / Infrastructure Projects, Construction and Disputes / Environmental Law / Global Warming Prevention / Digital Platforms / Public Relations, Regulatory Reform, and Sandbox / Data Utilization
Languages
Japanese / English
Office
Tokyo
Contact

Overview

Publications & Seminars

Awards

Admitted

Japan (2017)

Bar Association

Tokyo Bar Association

Education

Waseda University (B.A. in Political Science, 2012)
Waseda Law School (J.D., 2015)
The Legal Training and Research Institute of the Supreme Court of Japan

Background

Rays Consulting Law Office (January 2017-February 2018)
Kashiwagi Sogo Law Offices (March 2018-April 2021)
Competition Enhancement Office, Economic and Industrial Policy Bureau, Ministry of Economy, Trade and Industry (May 2021-March 2023) *Concurrently serves in the Startup and New Business Promotion Office of the Economic and Industrial Policy Bureau (April 2022-March 2023)

Member

Administration Division, IP Lawyers Network Japan
Tokyo Bar Association Legal Research Division Intellectual Property Law Section
Japan Competition Law Forum

Dispatched Expert for FY2025, National Center for Industrial Property Information and Training (INPIT)

Publications

  • "Amendments to the Patent Act in 2023," Business Homu, December 2023 Issue (2023)
  • "Study Group on Competition Policy Towards Achieving a Green Society; Key Points of the Report on Competition Policy Issues," NBL No. 1230 (November 2022) [Co-author]

  • "Good Faith Negotiation Guidelines for the Licensing of Standard Essential Patents," Law & Technology No.97 (September 2022) [Co-author]

  • "Key Points for Good Faith Negotiation Guidelines for the Licensing of Standard Essential Patents (Second Volume)," NBL No. 1219 (June 2022) [Co-author]

  • "Key Points for Good Faith Negotiation Guidelines for the Licensing of Standard Essential Patents (First Volume)," NBL No. 1218 (May 2022) [Co-author]
  • Power Harassment Practice Compendium, Nihon Hourei (2021) [Co-author]

  • “Various Issues Concerning the Right to Demand an Injunction for Patent Infringement," Legal Practice Research No. 36 (March 2021) [Co-author]

  • Legal Consulting on Intellectual Property of Agriculture, Forestry and Fisheries, Part I, SEIRIN SHOIN (2019) [Co-author]

Web Articles

  • "Former METI Official Commentary! Key Points for Utilization of the Gray Zone Elimination System," BUSINESS LAWYERS (January, 2025)

Seminars

  • “Former METI Official Commentary! Key Points for Utilization of the Gray Zone Elimination System,” hosted by BUSINESS LAWYERS / Bengo4.com, Inc., November 15, 2024
  • “‘Semi-finished products’ as the subject of a claim for disposal,” co-hosted by Tokyo Bar Association Legal Research Division Intellectual Property Law Section and Japan Intellectual Property Association Patent No.2 Committee No.1 Subcommittee Collaboration Study Meeting, 2020
  • “Helicopter Crash Video Case (Intellectual Property High Court August 23, 2008, Heisei 30 (2008) (ne) No. 10023),” hosted by Intellectual Property Lawyers Network Japan (IPLNET), 2018.