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Atsumi & Sakai
Yang Xu
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Yang Xu

Associate

Main Practices
Corporate Governance / Establishing Companies and Businesses for Startups / Antitrust Compliance and Investigations / Antitrust Investigations (Overseas) / M&A, Corporate Reorganization, and Joint Ventures / General Civil Litigation / Overseas Disputes and Litigation / Product Liability / Internal Reporting Systems / Labor and Employment Compliance / Offshore Employment and Labor Laws / Intellectual Property Protection and Disputes / Unfair Competition and Protection of Business Data / Inward Investment / Crypto-assets / Pharmaceuticals, Cosmetics, and Medical Devices / China and Hong Kong / Taiwan
Languages
Chinese / Japanese / English
Office
Tokyo
Contact

Overview

Publications & Seminars

Awards

Admitted

PRC Legal Professional (2015)

People's Republic of China (2024)

*Not registered as a Foreign Lawyer in Japan

Bar Association

Shanghai Bar Association

Education

Tsinghua University (LL.B., 2008)
Tsinghua University (M.P.A., 2010)
Waseda University (Ph.D. in Economic Law) (2016)

Background

Research Assistant, Waseda Law School (April 2013-March 2016)
Researcher in Chinese Law, Mori Hamada & Matsumoto (October 2015-March 2018)
Atsumi & Sakai (April 2018 - March 2023)
Jincheng Tongda & Neal (April 2023 - June 2024)
Watson & Band (July 2024 - September 2025)
Atsumi & Sakai (October 2025 -)

Publications

  • “Commentary on Japanese Antitrust Law,” China Legal Publishing House (2024) [Co-translation]
  • “China Competition Law and Policy Research Report,” China Business Publishing House (2024) [Co-author]
  • “Regulations on the Employers' Handling of Personal Information of their Employees in China,” Japan China Keikyo Journal, Japan China Association (February 2022) [Co-author]
  • “Current Situation of Legal Discussions Abroad regarding Crypto-Assets,” Financial and Business Law Precedents No.1611 (2021) [Co-author]
  • “Misappropriated Application for Trademarks in China and Countermeasures therefor,” Japan China Keikyo Journal, Japan China Association (February 2021) [Co-author]
  • “Trends and Actions of the Personal Information Protection System in China,” Japan China Keikyo Journal, Japan China Association (February 2020) [Co-author]
  • “Latest Trends in Chinese Business Combination Regulations,” Kousei Torihiki: Competition Laws and Policy July 2020 No. 837, Fair Trade Institute (2020)
  • “Survey on Data Collaboration and Utilization of AI, etc. in the Healthcare Sector,” the Cabinet Secretariat's National Strategy Office of Information and Communication Technology (Commissioned by Seed Planning, Inc., recommissioned to NTT Data Institute of Management Consulting, Inc. and Atsumi & Sakai) (June 2020) [Co-author]
  • “Digitalization and the Antimonopoly Act,” Kousei Torihiki: Competition Laws and Policy, April 2019 Issue No. 822, Fair Trade Institute, published in Japanese (2019)
  • “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]
  • “Chinese Cyber-Security Law and practical problems and solutions related thereto,” Kaigai-Touyushi March 2019, Japan Institute for Overseas Investment (JOI), (2019)  [Co-author]
  • “China Business Q&A: Latest Trends of Corporate Merger Reviews in China,” Japan China Keikyo Journal, Japan China Association (February 2019) [Co-author]
  • “Study on Means of Dispute Resolution between Parties Concerning Intellectual Property Right Infringement in China,” Japan External Trade Organization (JETRO) (2018) [Co-author]
  • "Exercise of Right to Demand an Injunction under the Patent Act in Technical Standards and Abuse of Dominant Position in the Market under EU Competition Law: Focusing on the European Commission's Motorola Decision," Waseda University Graduate School of Law [Collection of Papers/Academic Journal of Papers], No. 154, pp. 101-129 (2015)
  • "Antitrust Regulations for Violation of Disclosure Obligations under IPR Policies for Technical Standards," Waseda University Graduate School of Law [Collection of Papers/Academic Journal of Papers],　No.152, pp.173-200 (2014)

Web Articles

  • [Survey Document] “Major Laws and Regulations related to FinTech,” The Center for Financial Industry Information Systems (FISC) (December 2022) [Co-author]

Seminars

  • Poster Presentation entitled “The Influence of EU Competition Law and the Evolution of China’s Anti-Monopoly Law: Balancing Regulation in the Digital Economy,” at the 2025 Annual Conference of the European Union Studies Association Japan, hosted by European Union Studies Association Japan, November 8–9, 2025
  • Presentation entitled “Recent Developments in China’s Competition Policy: Strengthened Enforcement and New Regulatory Framework after the Amendment of the Anti-Monopoly Law,” hosted by Japan Fair Trade Institute (JFTI) Public Interest Incorporated Foundation, October 31, 2025
  • “Legal Practices for Entering the Japanese Market and Foreign Investment Practice in China in the Medical Industry, “ hosted by The World Academy of Anti-aging and Regenerative Medicine (WAARM), July 29, 2025
  • “Global Whistleblowing Today: EU Whistleblower Protection Directive and Legislation for the Protection of Personal Information in China and Korea,” hosted by D-Quest Holdings, Inc. available from December 24, 2021 to February 28, 2022
  • “Commentary on the Chinese Personal Information Protection Law, vol.2,” hosted by FRONTEO, Inc., January 21, 2022
  • Commentaries on European, Chinese, Taiwanese and Korean Laws Regarding Global Whistleblowing - Including the EU Whistleblowing Directive and China’s Personal Information Protection Law,” hosted by Atsumi & Sakai, Thomson Reuters KK and Westlaw Japan K.K., November 11, 2021
  • “Comparison between GDPR and China’s Cybersecurity Law and Practical Key Points for Japanese Companies,” hosted by Atsumi & Sakai and Westlaw Japan K.K., January 21, 2019
  • “Regulations by Antitrust Law on the Use of Injunctive Reliefs by SEP Holders under Patent Law,” co-hosted by Waseda University and University of Pennsylvania, February 23, 2016