Peter G. Armstrong


Tokyo | Foreign Law Partner*

日本語 中文(简体) 中文(繁體)

Peter assists Japanese and global entities on a wide range of complex cross-border commercial transactional areas, including mergers and acquisitions, foreign investment and finance, dispute resolution and crisis management.

His practice has a particular focus on cross-border energy and infrastructure projects, including providing advice with respect to the financing and structuring of projects as well as the negotiation and drafting of Operation and Maintenance contracts and engineering and construction contracts.

Peter also has expertise in managing complex regulatory and corporate crisis matters with multi-jurisdictional or parallel civil and criminal components and is regularly asked to assist clients with respect to the investigation and resolution of high profile and particularly sensitive matters.

He also frequently represents clients in connection with cross-border business investments, including mergers and acquisitions, the establishment of joint venture entities as well as licensing and distribution agreements.

Peter is a registered foreign lawyer (gaikokuho jimu bengoshi) and is fluent in Japanese.

Recent activities


Impact of Japan's Civil Code reform on energy & natural resources transactions



FIP programme introduced



COVID-19 and Material Adverse Change Clauses under Japanese Law



Osgoode Hall Law School at York University (J.D.)
Columbia University (B.A.)

Professional experience

2011 - 2018
Nagashima Ohno & Tsunematsu, Tokyo
2010 - 2011
Baker & McKenzie GJBJ Tokyo Aoyama Aoki Koma Law Office, Tokyo
2008 - 2010
Fasken Martineau DuMoulin LLP, Toronto, Canada