Mori Hamada & Matsumoto represents clients in disputes relating to all the firm's practice areas, including shareholder derivative actions and other lawsuits concerning mergers and acquisitions, shareholder agreements, internal disputes, investor claims against false disclosure, liability of auditing professionals, product liability, labor disputes, intellectual property, unfair competition, information technology, real estate, consumer protection, insolvency proceedings and taxes.

In addition, due to a series of legal and regulatory reforms over the last few years, alternative dispute resolution (ADR) methods, such as arbitration and out-of-court mediation, are beginning to play a more significant role, especially in the area of finance.