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Home > Practices > Antitrust/Competition

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Antitrust/competition law practice requires highly specialized knowledge of the antitrust/competition laws of Japan and overseas jurisdictions as well as in-depth expertise, including experience in communicating and liaising with competition authorities. Supported by a team of lawyers and support staff with extensive experience and knowledge, as well as a strong network of antitrust/competition lawyers in other jurisdictions, Nagashima Ohno & Tsunematsu has earned an excellent reputation in this practice area.

Antitrust/Competition Law Advice

We provide advice on all aspects of antitrust law that may arise in business, such as alliance and distribution deals, compliance training and auditing.


Antitrust Litigation/Investigation

We represent our clients in complex antitrust investigations, judicial/administrative proceedings, and litigation, both domestically and internationally.


Merger Control

We provide advice on numerous cases involving complex substantive issues, remedies, and filing requirements in various jurisdictions, and have successfully represented our clients in proceedings involving competition authorities.


Unreasonable Premiums and Misleading Representation Prevention Act and Subcontract Act

We provide advice on and represent our clients in various matters involving these Acts and have developed outstanding expertise in these Acts since their enactment.