City-Yuwa Partners' practice handles numerous cases related to JTFC investigations, including unilateral conduct and alleged violations of the Subcontract Act and the Unjustifiable Premiums Act. The team is led by Teruhisa Ishii who advises both domestic and foreign clients on the regulation of IT giants and the misuse of their advantageous bargaining position. Alongside Ishii is Yoshihiro Sakano who brings expertise in advising clients on bid-rigging, distribution regulations and complex mergers. Hiroaki Matsunaga has notable experience advising on the Antimonopoly Act and related JFTC investigations.