Practice areas: International, Business Litigation, Business & Corporate; view more
Licensed in Texas since: 2000
Education: Southern Methodist University Dedman School of Law
Languages spoken: English, Japanese
Call today:
214-743-4170
Ohashi & Horn LLP
325 N. St. Paul St., Suite 4400Dallas, TX 75201 Visit website
Jeff is one of fewer than 10 Texas lawyers selected to the 2026 Super Lawyers list in the International category, and 2026 marks his 14th consecutive year of selection. He began his career at Jackson Walker LLP, one of Texas’s oldest law firms, and co-founded Ohashi & Horn LLP, which has offices in Dallas, New York, and Tokyo.
Jeff’s tenacity, creativity, and business judgment have made him a trusted adviser to executives of multinational corporations, principals of investment firms, and entrepreneurs. On the transactional side, he handles entity formation and structuring, raising capital and various types of financings, corporate governance, and mergers and acquisitions. On the disputes side, he handles complex commercial litigation, labor and employment matters, and intellectual property matters. Fluent in Japanese, he has more than 30 years of experience with Japan and Asia, including two years living in Japan, and he regularly represents Japanese companies regarding their U.S. operations as well as assists U.S. companies penetrate the U.S. market.
Outside the law, Jeff is a Brazilian Jiu-Jitsu black belt and a seven-time IBJJF World Master Champion (most recently in 2026), 12-time Pan American Champion, two-time Japanese National Champion, European International Master Champion, and Abu Dhabi Grand Slam Champion. He is also an avid powerlifter. The discipline and strategic thinking he has built over a lifetime of competition shape how he guides clients through difficult international business and legal problems.
Practice areas
International, Business Litigation, Business/Corporate, Mergers & Acquisitions, Employment & Labor: Employer, Intellectual PropertyFocus areas
Business Formation and Planning, Contracts, Limited Liability Companies, Partnership, Trade Secret
- 20% International
- 20% Business Litigation
- 20% Business/Corporate
- 20% Mergers & Acquisitions
- 10% Employment & Labor: Employer
- 10% Intellectual Property
First Admitted: 1998, Louisiana
Professional Webpage: https://www.ohashiandhorn.com/horn
Bar / Professional Activity
- State Bar of Texas
- New York State Bar Association
- U.S. District Court for the Northern District of Texas
- United States District Court for the Central District of California, 2024
- U.S. District Court for the Southern District of Texas
- U.S. District Court for the Eastern District of Texas
- U.S. District Court for the Western District of Texas
- U.S. District Court for the Southern District of New York
- Louisiana State Bar Association
- U.S. District Court for the Western District of Louisiana
- U.S. District Court for the Eastern District of Louisiana
Pro bono / Community Service
- Entrepreneurs Organization, Dallas Chapter
- Japan-American Society of Dallas/Ft. Worth (General Counsel, 2001-2002; Member of the Board of Directors, 2001-2002, 2004 to 2006)
Educational Background
- The University of Utah, Bachelor of Arts, International Relations. Double minor in Japanese and Asian History. Cum laude. Recipient of President's Award for Outstanding Scholastic Achievement
These comments were made by fellow attorneys during the annual nomination process.
“Jeff has an attention to detail second to none. His aggressive approach is result oriented with the client's best interest at heart. He is a fighter with a conscience and is definately a super lawyer.”
“Outstanding corporate attorney; highly recommend for recognition.”
“Jeff has helped in several cases and is an expert in his field. I can always be assured that my client is best served with Jeff on our team.”
Office location for Jeff Horn, Jr.
325 N. St. Paul St., Suite 4400
Dallas, TX 75201
Phone: 214-743-4170
Selections
- Super Lawyers: 2013 - 2026