Since his admission to the bar in 2013, Keiji Kato has been involved in consumer damage remedies such as fraud, inheritance disputes, real estate disputes, support services for politicians, and support for sexual minorities. Recently, as frauds such as bank transfer scams have become a social problem, he has a great deal of experience in resolving consumer issues. He also regularly communicates with real estate agents and is familiar with real estate disputes and inheritance disputes.
He continues to support sexual minorities and serves as the secretary general of the Tokyo Litigation Group for same-sex marriage cases. In addition, he has recently become involved in risk hedging and trouble management support for politicians.