Overview of the 2024 Amendments to the Japanese Construction Business Act and Their Impact on Contract Price Adjustment

Shintaro Uno is one of Japan’s leading experts on FIDIC and other construction-industry contracts. He specializes in international engineering and construction of infrastructure projects around the world, with a particular focus on Japan and Asia. He has extensive experience advising on a wide range of projects, including semiconductor plants, data centers, high-speed railways, highways, submarine cables, coal-mining process facilities, Mass Rapid Transit, high-rise buildings, lithium hydroxide plants, various types of power plants, tunnels, ports, dredging, offshore wind, and water treatment and supply facilities, with primary contracts based on the standard FIDIC contract forms (including Redbook, Yellowbook, Silverbook 1999 and 2017 editions), Minkanrengo Building contract, Nikkenren Design Build, and ENAA. 

On the contentious side, Shintaro successfully represents both employers and contractors in proceedings before Dispute Adjudication Boards, international arbitral tribunals, and national courts. He has particular expertise in arbitration under the SIAC, ICC, BANI, and DIAC rules.

Shintaro has been recognized as a Leading Individual in the Construction: International category by Chambers Asia-Pacific for three consecutive years (2023–2025), reflecting his reputation and track record in the region.

Over the past 14 years, Shintaro has been based in Southeast Asia, where he has advised on numerous complex disputes and crisis scenarios. His regional experience is especially extensive in Indonesia, where he has handled more than 70 contentious matters—including litigation, internal investigations, local arbitrations, and criminal cases—demonstrating his capability to navigate sensitive legal issues in cross-border settings.

Satoshi has worked at N&A’s Singapore office since July 2022 and has provided Japanese clients with headquarters in Japan or Singapore and other clients with legal support on crisis management/compliance, dispute resolution, labor and general corporate matters for their businesses operations in Southeast Asian countries.

Satoshi has also engaged in international construction and infrastructure projects and has advised on construction contracts, laws and regulations, and disputes in connection with projects in Japan and overseas.

Having been stationed at the Hanoi office from 2016 to 2017 and subsequently at the Singapore office since 2019, Tomomi brings a wealth of experience in international construction and infrastructure projects. Her portfolio spans a diverse range of cases, encompassing all areas from negotiation and drafting construction contracts to handling issues arising during project execution, addressing construction disputes, and conducting regulatory research related to construction in both domestic and international projects.

Leveraging her experience in Singapore and Vietnam, she collaborates with qualified lawyers in various jurisdictions, contributing to her extensive expertise in construction projects across the Southeast Asian region. In addition, she actively holds seminars and in-house training sessions on FIDIC, one of the leading standard forms of contract for international construction.
Beyond her focus on construction and infrastructure, she provides broad legal advice on issues related to new investments, joint ventures, and labor matters in Southeast Asian countries, with a particular emphasis on Singapore, Malaysia, Indonesia, and Vietnam.

Eugene specializes in construction law and international arbitration. He has represented clients in disputes involving infrastructure, power and hospitality projects, with capabilities to handle complex delay and defects claims requiring expert evidence. Eugene also has substantial experience in front-end matters and has advised on projects such as data centers, pharmaceutical plants, semiconductor plants and other infrastructure projects in Japan and throughout Asia.

Eugene is qualified in Singapore and is a member of the Singapore Institute of Arbitrators (MSIArb) and the Society of Construction Law (Singapore).