Peter Armstrong

Peter G. Armstrong

Partner
Regional Head of Energy and Natural Resources, Asia
Peter has a uniquely Canadian approach to client service, that is a blend of an approachable and affable demeanour with strong intellect.
— Chambers Global Guide 2026
Tokyo
About

Peter is a Corporate Partner based in our Tokyo office.

Peter advises both Japanese and multinational entities on a wide range of complex cross‑border transactions and projects. He has extensive experience in mergers and acquisitions, PE/VC investments, joint ventures, reorganisations, foreign investment, and other corporate matters. His work spans a broad range of sectors, including energy, defence, technology, and consumer products.

Peter is recognised in both the Chambers Global Guide and the Legal 500 Asia Pacific Guide, where clients praise him for his “top‑notch negotiation skills and an eye for cost savings and efficiency,” and describe him as “a valuable and knowledgeable adviser who has the experience, market awareness and practical approach clients need.”

He is widely recognised for his work supporting clients on energy transition transactions and projects, including renewable energy investments, project sales and development, supply chain sustainability, carbon capture and credits, and alternative energy development.

Clients also commend his responsiveness and ability to balance their needs with astute commercial considerations.

Peter is regularly invited to present seminars on Japanese–Canadian business matters.

Areas of FocusCorporateMergers and AcquisitionsFinanceFranchiseEnergy and Natural ResourcesTechnology
Professional QualificationsBarrister and Solicitor registered with The Law Society of Ontario

EXPERIENCE

  • Advising C2X LTD, a leading developer of green methanol projects, on a USD 100 million combined investment by ENEOS Corporation, Japan’s leading energy company, and C2X’s existing shareholders, A.P. Moller Holding and A.P. Moller - Maersk.
  • Advising a leading renewable energy developer, as corporate counsel, on its joint development of a 684 MW offshore wind project in Niigata Prefecture, Japan.
  • Advising a Japanese video game production studio on the divestment of a Singapore based development studio.
  • Advising a Japanese government-owned Independent Administrative Institution on the divestment of its interests in one of Australia's largest liquefied natural gas hubs.
  • Advising a Japanese government-owned Independent Administrative Institution on its joint investment in one of the world's largest producer of separated rare earths.
  • Advising a Japanese government-owned Independent Administrative Institution on its proposed joint investment in a large-scale commercial graphite anode facility in Abu Dhabi.
  • Advising a Japanese construction machinery manufacturer on the sale of a fleet of the world's first ultra—large full-battery dump trucks.
  • Advising a Chinese renewable energy developer on its proposed acquisition two 7.1 MW biomass projects in Fukushima Prefecture, Japan.
  • Advising Stonepeak on its proposed acquisition of a majority controlling interest in Castrol from BP. (The transaction values Castrol at an enterprise value of approximately USD10.1bn).
Languages
  • English
  • Japanese
Education

  • Osgoode Hall Law School, J.D., 2007

  • Columbia University, B.A., 2002

Publications

  • Introduction to Aboriginal Law in Canada, 11 October, 2023
  • How Canada's voluntary carbon credit market can help Japan to achieve carbon neutrality, 4 October 2023
  • Japan Update: Battery storage development projects, 19 April 2023
  • Carbon Capture and Storage in Canada, August 2022
  • Hydrogen Update and Outlook Japan 2022, February 2022
  • "Enhanced governmental oversight of foreign investments in rare earths”, October 2021
  • “Japan selects first round of recipients for green innovation fund”, September 2021
  • “Changes to decommissioning reserve requirements for solar power projects”, August 2021
  • “Biomass power generation: supply and sustainability”, April 2021

Seminars

  • Moderator of Panel: "Investing in Japan's Offshore Wind Future: Strategies, Challenges and Opportunities in Offshore Wind Investment" in the 6th annual Japan Wind Energy 2024 (JWE2024), 17 October 2024
  • Speaker: DLA Piper and Japan Institute for Overseas Investment Co-Host, "Navigating the Critical Minerals Market", 19 September 2024
  • Speaker: DLA Piper Host, "Update on the energy transition in Asia", 26 June 2024
  • Speaker: DLA Piper and Japan Institute for Overseas Investment Co-Host, "Developments in Corporate Power Purchase Agreements", 30 May 2024
  • Speaker: DLA Piper Host, "More than fun and games: Successfully investing in Canada's thriving creative industry", 30 October 2023
  • Moderator of Panel “Prospects for the Development of Floating Offshore Wind” in the 8th Japan Wind Energy 2024, 18 October 2023
  • Panelist: DLA Piper Host, “Critical minerals – Queensland, the role of the US and opportunities for Japan”, 29 August 2023
  • Moderator of Panel “New Opportunities for Hydrogen Import and Export” in Connecting Green Hydrogen Japan 2022, 12 October 2022
  • Moderator of Conference by the Canadian Chamber in Japan “Mitsubishi Corporation – Activity in Canada hosted”, 26 May 2022
  • Panelist: "Canada – Japan Energy Security Forum 2021" sponsored by the Embassy of Canada, Tokyo, 16 December 2021

Memberships

  • Registered foreign lawyer in Japan
  • Law Society of Ontario, Canada
  • The Dai-Ichi Tokyo Bar Association
  • Governor, Canadian Chamber of Commerce in Japan (2023 - present)

My latest insights

Events

European Energy Transition Summit 2024

26 June 2024 .10 minute read

Publication

Guide to Going Global - Payment Terms

11 March 2024 .3 minute read

Publication

Powering the future of electric vehicles: The global charging imperative

23 November 2023 .2 minute read

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Connect

Phone

+81 3 4550 2811
(Work, Tokyo)
+81 70 2816 8002
(Mobile, Tokyo)