One of the Few Full-Service Japanese Law Firms in New York

One of the Few Full-Service Japanese Law Firms in New York

In the United States, legal matters are often handled by multiple specialists, requiring clients to coordinate across several attorneys.
At D5 Law Office, we eliminate that complexity by offering one-stop legal services across multiple practice areas. We support Japanese companies, local Japanese-American businesses, and individual investors looking to expand into New York and beyond.

Our bilingual attorneys provide not just legal explanations, but practical solutions—in clear, accessible language, tailored to your needs, and delivered with speed, care, and professionalism.

3PROMISES

Our Commitment to Every Client

PROACTIVE

Responsive and Efficient Support

We respond quickly to inquiries and work proactively to ensure that your business expansion or investment in the U.S. progresses smoothly and efficiently.

PROGRESSIVE

Creative, Forward-Thinking Solutions

We stay ahead of ever-changing laws, regulations, and business landscapes to provide legal strategies tailored to your goals—grounded in deep cultural understanding and innovative thinking.

POSITIVE

Trusted, Client-Centered Care

Our experienced bilingual attorneys are committed to building strong, trusted relationships. We offer hands-on, compassionate support to help you feel confident as you navigate the U.S. legal system.

OUR MISSION

Enriching Lives Through Law

At D5 Law Office, our mission is to bridge the gap between Japanese clients and the American legal system. We provide legal solutions that go beyond language and cultural barriers, delivering practical, results-driven guidance in a way that is respectful, clear, and effective.

We aim to be your trusted legal partner in the U.S.—one that not only understands your unique needs and background, but also offers actionable solutions that extend beyond the letter of the law. Through our national network, we provide legal support in all 50 states, with an unwavering commitment to client care and success.

Devin R. Yasuda
Managing Partner
Devin R. Yasuda

D5 Law Office is a bilingual law firm based in New York, specializing in Japanese-English legal services for clients navigating U.S. law and business.

The name “D5” reflects our guiding values:
Dependable, Diligent, Dedicated, Direction, and Driven—a promise to be a strong, reliable partner for every client and every challenge.

What sets us apart is our deep understanding of the cultural, legal, and business differences between Japan and the U.S. We bridge those gaps by offering practical, culturally fluent legal guidance. Whether it’s immigration, contracts, business formation, or real estate, we ensure that Japanese-speaking clients can engage with confidence—without language or cultural barriers.

As you take on new opportunities in New York or across the United States, we’re here to support your success with responsive, thoughtful legal counsel.
We look forward to helping you achieve your goals.

Contact Info
Contact us today.

For consultations or quotes, use the contact button or call us directly.

For consultations or quotes, use the contact button or call us directly.

New York Office : 646-838-4800

Office Hours: Mon–Fri 9:00am–6:00pm
(Closed on Sat, Sun & Holidays)

CONTACT