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Kyosuke Momoi

Fax +81.3.3597.6421
Kyosuke Momoi is an associate in the firm’s Tokyo office and a member of the corporate/M&A practice group with a focus on corporate and commercial transactions and Japan regulatory issues.

Prior to joining K&L Gates, Mr. Momoi worked for over 10 years as a both a private practitioner and in-house lawyer in Tokyo with several international companies and the Tokyo office of a leading U.S. based international law firm.

During this time, he handled a wide variety of corporate, commercial and regulatory matters. While in private practice he was seconded for half a year to one of the largest law firms in Singapore, where he assisted with M&A and joint venture projects, as well as complex commercial litigation involving Japanese and Southeast Asian parties, giving him substantial insight into various regional markets and legal systems. Additionally, his in-house experience included several years in the legal department of one of Japan’s leading pharmaceutical companies, working on a variety of international transactions. He also led a team in a section of the legal department of a major Japanese e-commerce company, advising executive management on strategic investment and new business development projects - all of which have given him substantial insight into the inner-workings of large Japanese companies with regional and international operations.

He received a Bachelor of Law and JD from the University of Tokyo, Faculty of Law and School of Law and a Masters in Law with a Business Law Certificate from UC Berkley School of Law. He is qualified in Japan as a bengoshi lawyer.

Professional/Civic Activities

  • Member of Daiichi Tokyo Bar Association
  • Member of Japanese In-House Lawyers Association

Speaking Engagements

  • Merger, Acquisition and Strategic Alliance in Life Science and its surrounding Industries, Lecture, Sidley Austin Nishikawa Seminar, March 12, 2018
  • The Issues and Legal Analysis of Curation Business and Its Relevant Business; The Problems on the Circulation of the Information in the Internet, Lecture, Japan In-House Lawyers Association Seminar, February 15, 2018; Intellectual Property Lawyers Network Meeting, April 23, 2018

Additional Information

  • Merger, Acquisition and Strategic Alliance in Life Science Industries, Japan In-house Lawyers Association Magazine (JILA), No. 4 (2017)
  • Getting The Deal Through: Rail Transport 2019 (Law Business Research Ltd. 2018) (Co-authored. He wrote the chapter on the regulations on rail transport in Japan)
  • Organized a third party committee for a TSE Mothers listed company, and conducted the secretariat work for the committee in relation to the structuring of a compliance system and rules.
  • Advised the client in relation to the third-party allocation of new shares of more than JPY500 billion by a TSE listed company, gave a U.S. private equity fund strategic advice on various legal issues.
  • Advised large U.S. tech companies on key aspects of their wearable device products.
  • Advised the client on their bid for privatization of an International Airport in Japan.
  • Advised the client in the incorporation of a joint venture company in Malaysia, which is the first online security broker in that country.
  • Advised the client in the incorporation of a joint venture company with a startup in Silicon Valley, which is expected to launch a highly innovative online game portal site.
  • Advised on a co-investment and development project on drone technology with a Japanese innovative start-up company.
  • Advised on the negotiation of a sponsorship agreement with a well-known soccer club in Europe.
  • Represented the client in a litigation case relating to defamation and privacy infringement claims against one of the largest media companies in the world.
  • Advised the client in a criminal defense of a senior employee of a large bank in Europe, who was investigated by FSA of the UK in relation to LIBOR affairs
  • Advised on regulatory matters in Japan relating to merger of two of the largest pharmaceutical companies in the U.S.
  • Advised on the negotiation of co-development and licensing agreement on immunosuppressant with one of the largest pharmaceutical companies in the U.S.
  • Advised on the negotiation of several license agreements regarding a blockbuster immunosuppressant in the field of drug coated stent with medical device companies in various countries.
  • Advised the client on an international arbitration matter involving a US$500 million dispute of a pharmaceutical license agreement, between a Japanese company and U.S. company.