
By Shingo Hattori — Founder & Managing Partner, Hattori Law
Tel: +81 3 6447 5586
Successful international deals with Japanese partners hinge on both legal clarity and cultural sensitivity. Parties should prepare agendas in advance and respect formalities: for instance, Japanese counterparts appreciate receiving a written meeting agenda and a polite exchange of business cards (“meishi” in Japanese) using both hands. Contracts must adhere to Japanese formalities – many Japanese firms execute key agreements with an official corporate seal (“inkan” in Japanese) rather than a signature, which legally binds the entity. Legal practitioners should also plan for language and forum issues: Japan’s Arbitration Act follows the UNCITRAL Model Law, enabling arbitration in any agreed language and with chosen arbitrators. By contrast, litigation in Japan requires proceedings in Japanese with full translation of evidence. Negotiations may take time, as Japanese firms often require consensus across multiple levels; patience and clear communication of decision-making processes are important. Global parties should secure written agreements (NDAs, LOIs) to align expectations early.
FAQs:
In Japan, oral or handshake agreements are legally effective. However, it’s not easy to support it as a fact unless reduced to written form. Formal contracts (often with a seal) are standard although e-signature app is permitted as well.
Parties may choose any governing law, but many Japanese companies prefer Japanese law and forum. Arbitrations in Japan are enforceable in countries ratifying New York Convention and allow English proceedings.
An official registered seal affixed to a document is equivalent to signature generally– contracts sealed by a company bind it, even if applied without actual management approval. Law firms often safeguard a client’s seal to prevent misuse.
Japan is a party to the Convention on the Recognition and Enforcement of Foreign Arbitral Awards; foreign awards are enforceable here. Arbitration is widely used, but parties may also litigate in Japanese courts.
Shingo Hattori
Founder & Managing Partner, Hattori Law +81 3 6447 5586
Daini Tokyo Bar Association
Disclaimer: This article provides general information as of the time of drafting only and does not constitute legal advice. Specific advice requires review of transaction documents and facts.