- Competition Law / Antitrust Law and other relevant laws
Competition / Antitrust Merger Regulations & Filings


We have extensive experience dealing specifically with M&A cases involving potentially serious competition issues and supporting high profile cross-border and offshore M&A cases as local counsel to handle merger filings in Japan.
Due to the rapidly changing business environment, M&A transactions among competitors are increasing, with competition authorities in many jurisdictions often strictly scrutinizing them. We have extensive experience in dealing specifically with M&A cases involving potentially serious competition issues. Our strength lies in our ability to offer strategic merger review advice based on such experience, as well as our deep understanding of relevant industries and our clients’ businesses. We identify and analyze key issues under both domestic and foreign competition laws from the M&A planning stage and provide our clients with comprehensive advice and support in order to effectively and efficiently proceed with merger review, ensuring consistency with parallel proceedings in other jurisdictions by coordinating with foreign law firms. We have been involved in many major merger cases in Japan, including many high profile cross-border and offshore M&A cases, as a result of our selection as local counsel to handle merger filings in Japan, and have supported the smooth implementation of numerous large-scale merger/integration cases. We have an enviable track record of leading M&A transactions to successfully obtain clearance in Japan and overseas. Our practice is supported by our offices in Japan and our strong specialization in M&A practices. Moreover, regarding M&A deals that potentially have significant anti-competitive impacts and may harm our clients’ businesses, we sometimes engage in advocacy to urge the relevant competition authorities to block the deals or implement sufficient remedies to the M&A, in coordination with foreign law firms, by articulating competitive concerns caused by such M&A deals.
Recent Work
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- 2023
- Honda Motor Co., Ltd. – Joint venture with GS Yuasa International Ltd. as part of the collaboration for high-capacity and high-output Lithium-ion battery
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- 2023
- Honda Motor Co., Ltd. – Collaboration with GS Yuasa International Ltd. and Blue Energy Co., Ltd. for a high-capacity and high-output Lithium-ion battery
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- 2023
- Unimat Life Corporation: Acquisition of Cassina IXC. Ltd.
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- 2023
- The Kanagawa Bank, Ltd. – Tender offer by The Bank of Yokohama, Ltd.
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- 2023
- Honda Motor Co., Ltd. - Collaboration with GS Yuasa International Ltd. for a High-capacity and High-output Lithium-ion Battery
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- 2022
- Nissan Motor Co., Ltd. - Acquisition of shares in Vehicle Energy Japan Inc.
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- 2022
- JX Nippon Mining & Metals Corporation: Acquisition of Tatsuta Electric Wire and Cable Co., Ltd.
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- 2022
- BPEA EQT Pte. Ltd. - Sale of Bushu Pharmaceuticals Ltd. to KKR & Co., Inc.
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- 2022
- Honda Motor Co., Ltd. - Transfer of shares in Honda Lock Mfg. Co., Ltd. to MinebeaMitsumi Inc.
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- 2022
- MUFG Bank, Ltd. - Acquisition of HC Consumer Finance Philippines, Inc. and PT Home Credit Indonesia