Kumpei Ohashi is engaged mainly in dispute resolution and dispute prevention, intellectual property and technology-related matters, and criminal law, including criminal defense and internal investigations.
His practice covers civil litigation, advisory work for dispute prevention, technology- and information-related legal matters, and criminal cases involving corporate activities.

Dispute Resolution and Dispute Prevention
In the area of dispute resolution, Mr. Ohashi has been involved in civil litigation relating to international transactions, business alliances, and technology-related issues.
Based on his experience in litigation, he also provides advice aimed at dispute prevention and early-stage response, including:
　Analysis of factual and legal issues
　Comparison of possible strategies
　Advice on internal systems, negotiations, contractual arrangements, and settlements
He places importance on organizing complex factual backgrounds and presenting legal issues in a clear and structured manner.

Intellectual Property and Technology-Related Matters
Mr. Ohashi advises clients on a wide range of technology-related legal matters, while continuously developing literacy in areas including information systems, artificial intelligence, cybersecurity, and semiconductor technologies, supported by formal training and professional certifications in Japan.
His work includes advice on:
　Software, system development, and joint development agreements
　Licensing agreements
　Management of trade secrets and personal data
　Data utilization and cross-border data transfers
He seeks to provide advice that reflects both current laws and regulations and practical considerations.

Criminal Law and Internal Investigations
In the field of criminal law, Mr. Ohashi has handled numerous criminal cases over many years, as well as bar association–related activities, through which he has accumulated substantial experience and knowledge.
He has also been involved in:
　Corporate criminal cases
　Cases with international elements
　Cases involving issues concerning scientific evidence, digital evidence, and technical matters
He applies these experiences to his handling of criminal defense matters and internal investigations.

1. Corporate Transactions and Technology Development
　Disputes arising from business alliances and continuous commercial relationships, including claims for payment, confirmation of contractual status, and damages
　Corporate litigation, interim injunctions, and non-contentious corporate proceedings, including:
　Drafting and negotiation of:
　　Basic transaction agreements
　　International transaction agreements
　　Distribution, agency, and franchise agreements
　Product liability–related matters
　Technology development matters, including:
　　System and software development agreements
　　ASIC / SoC development agreements
　　Joint development agreements
　　Licensing agreements
　Data- and information-related matters, including:　　
　　Data utilization and cross-border data transfers
　　Software copyrights
　　Trade secret protection
　Cybersecurity incident response and risk management

2. Intellectual Property Disputes
　Patent, design, trademark, and copyright infringement litigation, including applications for preliminary injunctions
　Litigation seeking revocation of administrative decisions in intellectual property matters
　Unfair competition litigation

3. Real Estate Disputes
　Litigation relating to real estate transactions, title transfers, and registration matters, including interim injunctions
　Eviction proceedings, rent adjustment disputes, and partition of jointly owned property
　Litigation and interim relief relating to customary or communal rights in real property

4. Fraud-Related and Insolvency-Related Disputes
　Debt collection and asset recovery, including negotiations, litigation, provisional remedies, and enforcement proceedings
　Civil litigation relating to real estate fraud, investment fraud, and other fraudulent schemes, including claims against intermediaries and employers
　Insolvency-related litigation

5. Criminal Matters and Corporate Criminal Compliance
　Financial and economic crime cases, including:
　　False statements in securities reports
　　Insider trading
　　Market manipulation
　　Improper loss compensation
　Criminal cases under the Unfair Competition Prevention Act, including:
　　Foreign bribery
　　Trade secret misappropriation
　Criminal cases involving violations of tax laws, customs laws, and lending regulations
　Acquittal cases in serious criminal matters, including cases involving allegations of violent crimes and drug-related offenses