Photo, Junya Ae

Junya Ae

Baker & McKenzie (Gaikokuho Joint Enterprise)


Junya Ae is a member of the Antitrust / Competition and Corporate / Mergers & Acquisitions practice groups. He joined the Competition Law Practice Group in Baker McKenzie's London office from October 2011 to March 2012. Before joining the Firm, he worked for the Ministry of Internal Affairs and Communication from 1995 to 2001. He has co-authored a number of publications related to his field.

Practice Focus

Mr. Ae focuses on regulatory matters, especially antitrust and competition law matters. He assists Japanese and international clients in international and domestic cartel investigations, multijurisdictional merger control matters for M&A transactions and compliance investigations. He also provides support during on-site investigations conducted by government bodies. He also assists clients in relation to contractual and compliance advice for distribution issues.

Representative Legal Matters

  • Represented Japanese and foreign companies in an international and domestic cartel investigation for wide range of industies such as chemical products, construction materials, electric wires, bid rigging in government procurement, automotive related products and services, software, IT, electronics products, among others.
  • Represented numerous Japanese and foreign companies in multijurisdictional merger control matters, including complex cases involving remedies.
  • Supported and implemented compliance investigations for chemical companies, automotive components companies, IT companies, food companies, among others.
  • Assisted a new business entrant in its application for a commissioned broadcast business license.

Professional Associations and Memberships

  • Tokyo Bar Association - Section on Antitrust Law
  • Japan Competition Law Forum - Antitrust Practice Group


  • Japan (2006)


  • Duke University School of Law (LL.M.) (1998)
  • Tokyo University (LL.B.) (1995)


  • English
  • Japanese


Co-author, “Amendment to Antimonopoly Act Related to M&A Practice,” MARR, 2009

Co-author, Legal Practice on Cartel and Leniency, Shouji Houmu, 2008

Co-author, Global Merger Control Manual 9th edition, Cameron, May 2008

Co-author, Global Antitrust Leniency Manual

Co-author, Global Guide to Antitrust Litigation

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