Takeshi Ishida

Takeshi Ishida


Takeshi Ishida is a Japanese qualified lawyer, and a partner at Anderson Mori & Tomotsune. He specializes in competition law, including defense against agency investigations into cartel, bid-rigging and unfair unilateral conduct, antitrust litigations and merger control, with special expertise in issues involving information technologies and intellectual property rights, based on his practical insight gained from first-hand experiences of handling leading cases in the Japan Fair Trade Commission (JFTC).

Prior to joining the firm, he was appointed as a deputy director at investigation bureau in the JFTC for 3 years. During his tenure, he was a lead case-handler in the Intellectual Property Task Force at the investigation bureau, dealing with investigations and litigations against IT major companies over cutting-edge cases. Moreover, he also acted as a chief investigator responsible for investigating on a wide range of infringement cases such as cartel, bid-rigging and unfair unilateral conduct, conducting dawn raids over more than a dozen cases, and also representing the JFTC before the Tokyo district court and administrative hearings. Before serving for the Japanese agency, he practiced with Blakemore & Mitsuki as a senior associate, advising mainly on competition law issues to clients, such as a patent pool company and major IT companies, and dealing with merger control and litigations.

Besides his competition law expertise, his practices encompass the full range of general corporate issues, with considerable experience in litigations and white crime matters, and he also has a deep knowledge of information and communication technology sector.

Ishida Takeshi

Practice Areas

Key Practice Areas

Related Practice Areas

Practice Groups

  • Competition Law Group


Jan 2015 - Dec 2017 Served as a deputy director (special fixed-term officer) at No.4 Investigation Division in the Investigation Bureau of the Japan Fair Trade Commission
Oct 2014 - Dec 2014 Worked for Gibson, Dunn & Crutcher LLP, London Office
Nov 2014 University College London (LL.M.)
Dec 2013 Queen Mary, University of London (LL.M.)
Sep 2007 - Dec 2014 Worked for Blakemore & Mitsuki Law Office, Tokyo
Apr 2006 - Sep 2007 The Legal Training and Research Institute of the Supreme Court of Japan
Mar 2002 Waseda University, Tokyo (Bachelor of Commerce)


Market Intelligence -CARTELS IN JAPAN- 2022 LEXOLOGY Getting The Deal Through : Market Intelligence
Apr 2022
Competition Inspections in 21 Jurisdictions - Japan Chapter Competition Inspections in 21 Jurisdictions - A Practitioner’s Guide
Mar 2022
Feb 2022
Market Intelligence -CARTELS IN JAPAN- 2021 LEXOLOGY Getting The Deal Through : Market Intelligence
May 2021
Private Antitrust Litigation 2021 (Japan Chapter) Lexology Getting The Deal Through
Aug 2020
Market Intelligence -CARTELS IN JAPAN- 2020 LEXOLOGY Getting The Deal Through : Market Intelligence
Jun 2020
Sep 2019
Aug 2019


Standard Essential Patents and Antitrust Law WebinarABC.jp ・Legaltech, Inc.
Apr 20, 2022
Dec 20, 2019
Jan 28, 2019
Personal Liability in Cartel Cases Anderson Mori & Tomotsune
Nov 6, 2018
IP & Antitrust : what you need to know from recent developments in the US, EU and Japan Anderson Mori & Tomotsune, Quinn Emanuel Urquhart & Sullivan LLP
Oct 4, 2018

Professional Admissions

  • Japan (2007)

Professional and Academic Associations

  • Daini Tokyo Bar Association
  • Non-Governmental Advisor to the International Competition Network
  • Japan Competition Law Forum


  • Japanese (first language)
  • English