Masuda & Partners Law Office has notable expertise in handling corporate lawsuits involving both domestic and foreign companies, including cross-border disputes. The firm also specialises in administrative litigation, representing clients in legal actions against national and local governments while providing expert legal advice on administrative regulations. Eiji Masuda, the founding and managing partner, is renowned for his expertise in corporate M&A and dispute resolution. His advisory services, including executive and senior managers training for Japanese corporations, are highly esteemed in the industry. Partner Yuta Kato is another significant figure.