Utilizing his twelve years of experience in the Ministry of Justice and the Prosecutors' Office, Mr. Kikawa represents domestic and foreign clients in administrative and criminal investigations by enforcement agencies, and in complex commercial, administrative, and consumer disputes. He also has extensive experience in advising on internal investigations of corporate scandals and compliance with various regulations.

Although his range of legal practice is broad, he has been particularly busy in the fields set out below.

Advertising, Labeling, and Marketing Regulations (Consumer Protection Laws)
Mr. Kikawa provides wide-ranging advice about the Premiums and Representations Act, Pharmaceuticals and Medical Devices Act, Medical Care Act, Health Promotion Act, Unfair Competition Prevention Act, Specified Commercial Transactions Act, Consumer Contract Act, and related laws regulating the advertising, labeling, and marketing activities of entities.
He also has extensive experience responding to administrative investigations regarding misrepresentation and extravagant advertising (puffing) brought by the Consumer Affairs Agency, Fair Trade Commission, regional governments, public health centers, and similar agencies.
From 2017, Mr. Kikawa has been a member of the Medical Advertising Rules Study Group of the Ministry of Health, Labor and Welfare.

E-commerce (Internet Business)
Mr. Kikawa handles myriad legal issues arising from internet sales, web-media, portal sites, reservation sites, and other e-commerce. He has broad experience with the legal issues relating to e-commerce, including legal services such as reviews of advertising expression on product landing pages and web-media articles, drafting of use rules, privacy policies, and related agreements, and responses to online defamation.

Consumer Group Disputes
Mr. Kikawa advises numerous companies on injunction actions and Japan class actions by qualified consumer groups regarding misrepresentation and unfair agreement provisions.

Medical and Health Care Regulations
Based on his experience with medical disputes at the Tokyo Prosecutors Office, as the prosecutor in charge of cases involving medical patient death and violations of regulations under the Pharmaceuticals and Medical Devices Act and Medical Care Act, he represents medical institutions in medical malpractice disputes, advises on import and sale restrictions on medical products and devices, and restrictions on promotional activities of pharmaceutical companies, and handles other legal issues relating to medical and health care.

Immigration Control and Refugee Recognition Act
When Mr. Kikawa was an officer in the Immigration Bureau of the Ministry of Justice, he was in charge of drafting the bill and dealing with the Diet for the 2009 revisions to the Immigration Control Act, and based on that experience, gives advice regarding legal issues connected with visas for foreign employees and visas for foreign performers and presenters invited to events in Japan.