Register Login

日本語
简体中文

Language: 日本語; 简体中文

HOME
Practices
People
- People
- With one of the largest legal teams in Japan, we bring a wealth of practical knowledge focused on the singular purpose of providing high quality legal services.
- People
- People TOP
- Search by Category
- Search by Last Name
- Search by Location
  - Search by Location
  - Tokyo
  - New York
  - Singapore
  - Bangkok
  - Ho Chi Minh City
  - Hanoi
  - Jakarta
  - Shanghai
- Keyword
Featured Topics
Seminars
- Seminars
- We regularly hold seminars and offer lectures through various formats, such as online streaming.
- Seminars
- Seminars TOP
- NO&T Seminars
- Seminars
- Keyword
Publications
- Publications
- Our lawyers have authored or co-authored a number of newsletters, articles, books and other materials covering a wide range of legal areas to address the latest legal developments and increasingly diverse and complex issues.
- Publications
- Publications TOP
- Articles
- Books
- Media
- Others
- Newsletters
- External Contributions
- Keyword
Who We Are
- Who We Are
- Who We Are
- Who We Are TOP
- Greetings
- History
- Respect for Human Rights
- Philosophy
- Awards
- Diversity & Inclusion
Locations
- Locations
- Locations
- Locations TOP
- Tokyo
- New York
- Singapore
- Bangkok
- Ho Chi Minh City
- Hanoi
- Jakarta
- Shanghai
Pro Bono
Topics Contact Us Access Careers

SCROLL

TOP

HOME
People
Rintaro Kai

People

Rintaro Kai

Rintaro Kai

Associate

Tokyo Office

Rintaro Kai

Rintaro Kai

Associate

Tokyo Office

Contact

People

Languages

Japanese, English

Qualifications

2022, Japan (Dai-Ichi Tokyo Bar Association)

Languages

Japanese, English

Qualifications

2022, Japan (Dai-Ichi Tokyo Bar Association)

Education/Professional Experience

2021: The University of Tokyo (LL.B.)
2022 - present: Nagashima Ohno & Tsunematsu

Publications

Articles
Execution Clause: Company Executing a Commercial Contract (Japan)

Practice note

Practice note

(March 2024)

Axel Kuhlmann, Wataru Matsumoto, Rintaro Kai (Co-author)
- Corporate
- Corporate Governance
- M&A
- Mergers & Acquisitions
- Consumer Law
- Consumer Contracts/General Terms and Conditions/e-Commerce
- International Trade and Commerce, and Economic Sanction

VIEW MORE

Search by

Category
Last Name
Keyword

All Practice Areas

All Positions

Positions

All Positions
Partner
Senior Counsel
Special Advisor
Counsel
Associate
Foreign Lawyer (Tokyo)
Judicial Scrivener/Administrative Scrivener

× Close

All Locations

Locations

All Locations
Tokyo
New York
Singapore
Bangkok
Ho Chi Minh City
Hanoi
Jakarta
Shanghai

× Close

All Qualifications

Qualifications

All Qualifications
Japan
United States (New York)
United States (California)
United States (Hawaii)
England and Wales
Germany
China
Singapore
Thailand
Vietnam
Indonesia
Philippines
Malaysia
India
Australia (New South Wales)
Australia (Victoria)
Australia (Western Australia)

× Close

All Languages

Languages

All Languages
Japanese
English
Chinese
French
German
Dutch
Thai
Vietnamese
Indonesian
Filipino
Malay
Hindi
Korean
Spanish
Portuguese
Russian

× Close

Last Name

- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- K
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- X
- Y
- Z

HOME
People
Rintaro Kai

Legal Lounge Member Content

Access carefully selected content, including online seminars, members-only newsletters, and past seminar materials that cover a variety of in-depth topics.

*Currently, “Legal Lounge” members only content is mainly in Japanese. We will post content in other languages in due course.

NAGASHIMA OHNO & TSUNEMATSU HOME

Practices

People
Seminars
Publications
裁判例紹介

Featured Topics

Topics

Awards

Pro Bono
Who We Are
Locations
- Tokyo
- New York
- Singapore
- Bangkok
- Ho Chi Minh City
- Hanoi
- Jakarta
- Shanghai
Access
Careers

Copyright©2000-2025 Nagashima Ohno & Tsunematsu. All Rights Reserved.

Apply Select Practice Areas All

Corporate
- Corporate
  - Corporate Governance
  - General Corporate
M&A
- M&A
  - Mergers & Acquisitions
  - Private Equity/Venture Capital and Startups
Finance
- Finance
  - Capital Markets
  - Banking
  - Financial Regulations
  - Asset Management/Fund
  - Securitization/Structured Finance/Trust
  - Real Estate Finance
  - Acquisition Finance
  - Project Finance
  - Derivatives
  - Insurance
  - FinTech
Global Investigations / Crisis Management / Compliance
- Global Investigations / Crisis Management / Compliance
Restructuring and Insolvency
- Restructuring and Insolvency
Dispute Resolution
- Dispute Resolution
  - Civil and Commercial Disputes
  - Tax Controversy
  - IP Disputes
  - Employment Disputes
  - Real Estate Disputes
  - Antitrust Litigation
  - Consumer Litigation (Class Actions)
  - Environmental Disputes
  - Disputes in Foreign Jurisdictions
  - International Arbitration
  - International Mediation
Labor and Employment
- Labor and Employment
  - Employment Law Advice
  - Employment Disputes
Real Estate and REITs
- Real Estate and REITs
  - Real Estate Transactions
  - Real Estate Investment/Real Estate Securitization
  - Outbound Real Estate Investment
  - Real Estate Finance
  - REITs
  - Real Estate Disputes
Intellectual Property
- Intellectual Property
  - IP Transactions
  - IP Disputes
Antitrust and Competition
- Antitrust and Competition
  - Antitrust Litigation
  - Merger Control
  - Cartel Investigations
  - Other Antitrust Law Investigations
  - Antitrust and Competition Law Advice
  - Subcontract Act
Tax
- Tax
  - Tax Advice and Planning
  - Tax Controversy
  - Wealth Management/Succession Planning
Wealth Management/Succession Planning
- Wealth Management/Succession Planning
Infrastructure/Energy/Environment
- Infrastructure/Energy/Environment
  - Construction and Infrastructure
  - Power Generation/Renewable Energy
  - Electricity and Gas Supply
  - Oil, Gas and Other Resources
  - Environmental Law
Pharmaceutical and Healthcare
- Pharmaceutical and Healthcare
  - Medical, Pharmaceutical and Life Sciences
  - Healthcare, Hospitals and Nursing Care
Hospitality
- Hospitality
Technology
- Technology
  - Telecommunications
  - Internet/IT Services/Cloud
  - Data and IoT
  - AI and Robotics
  - Digital Platform
  - Cyber Security
  - Space
  - FinTech
  - LegalTech
  - HealthTech
  - RealEstateTech
  - MaaS/Autonomous Transportation
  - Digital Transformation (DX)
Media/Entertainment and Sport
- Media/Entertainment and Sport
  - Media
  - Entertainment and Sport
Data Protection and Privacy
- Data Protection and Privacy
Consumer Law
- Consumer Law
  - Advertising and Marketing/Labeling (Act Against Unjustifiable Premiums and Misleading Representations)
  - Product Safety, Product Compliance, Product Recall and Product Liability
  - Consumer Contracts/General Terms and Conditions/e-Commerce
  - Consumer Litigation (Class Actions)
International Trade and Commerce, and Economic Sanction
- International Trade and Commerce, and Economic Sanction
Global Practice
- Global Practice
  - Asia and Oceania
    
    China
    
    Singapore
    
    Thailand
    
    Vietnam
    
    Indonesia
    
    Philippines
    
    Malaysia
    
    India
    
    Myanmar
    
    Cambodia
    
    Hong Kong
    
    Taiwan
    
    Other Asian Regions
  - Americas
    
    United States
    
    Brazil
    
    Other Regions in the Americas
  - Europe

Corporate
- Corporate Governance
- General Corporate
M&A
- Mergers & Acquisitions
- Private Equity/Venture Capital and Startups
Finance
- Capital Markets
- Banking
- Financial Regulations
- Asset Management/Fund
- Securitization/Structured Finance/Trust
- Real Estate Finance
- Acquisition Finance
- Project Finance
- Derivatives
- Insurance
- FinTech
Global Investigations / Crisis Management / Compliance
Restructuring and Insolvency
Dispute Resolution
- Civil and Commercial Disputes
- Tax Controversy
- IP Disputes
- Employment Disputes
- Real Estate Disputes
- Antitrust Litigation
- Consumer Litigation (Class Actions)
- Environmental Disputes
- Disputes in Foreign Jurisdictions
- International Arbitration
- International Mediation
Labor and Employment
- Employment Law Advice
- Employment Disputes
Real Estate and REITs
- Real Estate Transactions
- Real Estate Investment/Real Estate Securitization
- Outbound Real Estate Investment
- Real Estate Finance
- REITs
- Real Estate Disputes
Intellectual Property
- IP Transactions
- IP Disputes
Antitrust and Competition
- Antitrust Litigation
- Merger Control
- Cartel Investigations
- Other Antitrust Law Investigations
- Antitrust and Competition Law Advice
- Subcontract Act
Tax
- Tax Advice and Planning
- Tax Controversy
- Wealth Management/Succession Planning
Wealth Management/Succession Planning
Infrastructure/Energy/Environment
- Construction and Infrastructure
- Power Generation/Renewable Energy
- Electricity and Gas Supply
- Oil, Gas and Other Resources
- Environmental Law
Pharmaceutical and Healthcare
- Medical, Pharmaceutical and Life Sciences
- Healthcare, Hospitals and Nursing Care
Hospitality
Technology
- Telecommunications
- Internet/IT Services/Cloud
- Data and IoT
- AI and Robotics
- Digital Platform
- Cyber Security
- Space
- FinTech
- LegalTech
- HealthTech
- RealEstateTech
- MaaS/Autonomous Transportation
- Digital Transformation (DX)
Media/Entertainment and Sport
- Media
- Entertainment and Sport
Data Protection and Privacy
Consumer Law
- Advertising and Marketing/Labeling (Act Against Unjustifiable Premiums and Misleading Representations)
- Product Safety, Product Compliance, Product Recall and Product Liability
- Consumer Contracts/General Terms and Conditions/e-Commerce
- Consumer Litigation (Class Actions)
International Trade and Commerce, and Economic Sanction
Global Practice
- Asia and Oceania
  - China
  - Singapore
  - Thailand
  - Vietnam
  - Indonesia
  - Philippines
  - Malaysia
  - India
  - Myanmar
  - Cambodia
  - Hong Kong
  - Taiwan
  - Other Asian Regions
- Americas
  - United States
  - Brazil
  - Other Regions in the Americas
- Europe

Apply