Yamagami International Law Offices, with offices in Tokyo and Fukuoka, provides specialist legal services in cross border matters, including international transactions, international family law, patent matters and a broad range of litigation. The firm serves foreign individuals and multinational clients seeking expert guidance on Japanese law in English or Mandarin, supporting complex needs from due diligence to cross border disputes. The team emphasizes practical, precise advice and seamless communication to help clients navigate the Japanese legal landscape efficiently.

The firm is known for its cross border capabilities and client oriented approach, with bilingual lawyers who assist foreign and US law firm clients and maintain cooperative relationships with peers in North America. Clients benefit from flexible consultations by Skype, telephone or email, and from payment options such as PayPal, reflecting a modern service model that accommodates time zone differences and international workflows.

From M&A and due diligence to IP rights, labor and litigation, Yamagami International Law Offices offers integrated cross border representation. The practice areas include international divorce, traffic accident claims, intellectual property rights, dispute resolution, labor law, litigation, wills and inheritances, international contracts, insolvency and enforcement of judgments, international trade and other cross border matters, delivering practical strategies and decisive advocacy.

About Yamagami International Law Office
Practice areas
Accidents & Injuries
Intellectual Property
Corporate & Commercial
Family
Lawsuits & Disputes

Languages spoken
English

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Practice areas

Accidents & Injuries

Yamagami International Law Offices handles traffic accidents and other tort claims in Japan, guiding clients to secure adequate compensation from insurers, evaluating proposed settlements for adequacy, advising on the enforceability of settlement agreements, addressing outcomes such as residual disability and potential criminal liability, and using evidence such as a drive recorder to support claims.
Animal & Dog Injury
Assault & Battery
Birth Injury
Brain Injury
Car Accident
Construction Accident
Dangerous Product
Defamation
Drugs & Medical Devices
Medical Malpractice
Motor Vehicle Defect
Motorcycle Accident
Personal Injury
Premises Liability
Property Damage
Sexual Abuse
Toxic Mold
Toxic Tort
Travel Accident
Truck Accident
Work Injury
Workers Compensation
Wrongful Death

Intellectual Property

The firm offers Intellectual Property Rights services including patents, utility models, trademarks and copyrights, licensing agreements and countermeasures against counterfeit goods. Its bilingual lawyers bring cross border experience to licensing negotiations and IP litigation to protect brands and technology in Japan and abroad.
Copyright
Patent
Trademark
Art & Cultural Property Law

Corporate & Commercial

Yamagami International Law Offices assists corporate clients with M&A and due diligence, including structuring deals, investigating target companies for legal risk, checking compliance with Japanese law, drafting and negotiating agreements, and providing secondary opinions to ensure strategic alignment in cross border transactions.
Administrative
Admiralty & Maritime
Agriculture
Antitrust
Aviation
Business Registration
Contract
Due Diligence
Franchising
Gaming
Government Contract
Licensing
Merger & Acquisition
Transportation
Venture Capital
Cannabis Law
Nonprofit & Charitable Organizations
International Trade Law
Government Relations & Lobbying
Private Equity
Corporate Governance
Sanctions & Export Controls

Family

In International Divorce in Japan, the firm advises on cross border issues such as eligibility for divorce, division of assets, consolation money, parental rights and child custody, visitation and cross border jurisdiction, as well as steps for recognition and enforcement of judgments across borders.
Adoption
Child Abuse
Child Custody
Child Support
Child Visitation
Collaborative Law
Divorce & Separation
Domestic Violence
Father's Rights
Marriage
Military Divorce
Same Sex & LGBT
Annulment

Lawsuits & Disputes

The firm provides dispute resolution services including negotiation, civil and commercial litigation, arbitration and enforcement of judgments, with guidance on evidence gathering, court appearances, and settlement strategies to achieve favorable outcomes in both domestic and cross border disputes.
ADR Mediation & Arbitration
Appeal
Class Action
General Litigation
Ethics and Professional Responsibility
Commercial Litigation
Antitrust Litigation
Restructuring & Insolvency

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