Partner – Díaz & Jonson Attorneys at Law
Private Notary | International Tax Law | Cross-Border Transactions | U.S.–Japan Legal Specialist
Etsuko Ueda is a distinguished partner at Díaz & Jonson Attorneys at Law, with over 20 years of international legal experience in tax law, international compliance, and notarial practice. She is licensed both as a tax attorney and a Private Notary in the State of Florida, with a strong academic and professional foundation rooted in both Japan and the United States.
Born and raised in Kyoto, Japan, Etsuko studied law in her home country before continuing her legal career in the United States. Her unique background allows her to provide legal counsel across complex cross-border tax matters, international estate planning, and global regulatory compliance for clients ranging from multinational corporations to high-net-worth individuals.
Etsuko is known for her precision, discretion, and deep cultural intelligence, making her particularly sought after by international clients, especially those with business or family interests in both Asia and the U.S.
Bachelor of Laws (LL.B.), Kyoto University Faculty of Law – Kyoto, Japan
Master of Laws (LL.M.) in International Taxation, University of Florida Levin College of Law
Juris Doctor (J.D.), Nova Southeastern University – Shepard Broad College of Law
Certified Notary Public, State of Florida
Licensed Attorney – Florida Bar
Registered Tax Return Preparer (IRS)
Certified Notary Public – Florida Department of State
Member, Florida Bar Tax Section
Fluent in Japanese and English
Domestic and international tax planning for businesses and individuals
Tax structuring for foreign-owned U.S. corporations and startups
IRS audits, offers in compromise, and penalty negotiations
Expatriate tax compliance and reporting (FBAR, FATCA)
Cross-border inheritance and gift tax strategy
Structuring of multinational estates and succession plans
Drafting of U.S. wills and international trusts
Coordination with Japanese and Asian legal counsel for dual-jurisdiction estates
Notarial certifications for wills, powers of attorney, and estate documents
Authentication of legal documents for international use
Drafting and certifying business contracts, declarations, and affidavits
Legalization for consulates and embassies
Real estate notarizations for foreign buyers
Incorporation and compliance of foreign subsidiaries in the U.S.
Legal counsel for Japanese and Asian investors entering U.S. markets
Support for treaty-based tax exemptions and structures
Strategic advisory for family businesses and wealth preservation
Advised a Japanese multinational on U.S. tax liability reduction through treaty structuring
Facilitated the estate planning and asset transfer of a dual-citizen family with holdings in Tokyo and Miami
Represented clients in high-stakes IRS negotiations, achieving favorable settlements
Provided notarial and legal services in multi-million-dollar real estate transactions for foreign buyers
Supported the formation of over 100 U.S. entities for Japanese, Korean, and Chinese nationals
Etsuko frequently lectures on international tax and notarial law at legal forums and is a mentor to Asian-American law students navigating dual legal systems. She is a member of the Japanese-American Bar Association (JABA) and contributes legal analysis to publications on international compliance and estate law.
Etsuko is fluent in Japanese and English, and has built a reputation as a cultural bridge between Asia and the Americas. Her clients value not only her legal precision but also her discretion, clarity, and sensitivity to cultural nuance in business and family matters.
Etsuko lives in Miami and frequently travels to Tokyo and Osaka to maintain strong professional ties. In her free time, she enjoys traditional Japanese calligraphy, ikebana (flower arranging), and international tax research. Her reputation for professionalism, calm judgment, and thorough analysis makes her a pillar of trust for clients with the most sensitive legal matters.
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