Setagaya International Law Office

Seiya Sato · Est. 2020

Founded in 2020 by Seiya Sato, who trained for six years under international family law veteran Masayuki Honda. Listed on US, Canadian, and UK Embassy referral lists. Specializes in international divorce, custody, visitation, and Hague Convention child return cases. Available 8:00–20:00 including weekends — unusually accessible for a Tokyo law firm.

US Embassy List Canadian Embassy List UK Embassy List

Why choose this firm

Trained under IAFL Fellow Masayuki Honda for 6 years before going independent
Available 7 days a week, 8am to 8pm — rare for Tokyo attorneys
Clients describe him as 'the best English-speaking lawyer in Tokyo's 23 wards'

Setagaya, Tokyo

+81-3-6822-8529

sato@setakoku-law.com

Mon-Sun 8:00-20:00

EnglishJapanese

International DivorceHague ConventionChild CustodyVisitation RightsEmbassy Referral Cases