M&A, Reorganization, and Business Alliance

Since the establishment our firm, we have been involved in a significant number of large-scale M&A projects in all business areas, both domestically and abroad. We are capable of handling M&As, corporate reorganizations and business alliances under any transaction structure, including those conducted through share transfers, business transfers, capital increases (including debt to equity swaps), mergers, share exchanges, company splits, joint ventures and incorporations of new companies (including holding companies) and other complicated acquisition structures through combinations of the foregoing. We are also capable of handling intra-group reorganizations, capital and business alliances, Management Buy-Outs, acquisitions of publicly-traded companies through tender offers and going-private transactions. We have extensive experience in cross-border M&A projects such as outbound investments conducted by Japanese companies and inbound deals brought by foreign entities. Furthermore, we offer comprehensive legal support, including advising on emergency strategies with respect to corporate control battles and defensive measures against hostile takeovers and counteroffers thereto, as well as handling M&A related lawsuits (such as breaches of representations and warranties) and other disputes.

Our attorneys who specialize in the Companies Act, financial regulation, tax law, labor law, intellectual property law and other legal fields that relate to the client's businesses form a cohesive team and engage in the handling of cases in an efficient manner. In addition, to provide advice on acquisition finance (see, "Acquisition Finance") and foreign and domestic merger controls (see, "Merger Control"), we offer an integrated legal service for corporate reorganizations that utilize bankruptcy proceedings, whether local or foreign, including due diligence on matters particular to such proceedings, schedule management, preparation of rehabilitation or reorganization plans, etc. (see, "Distressed M&A/DIP Finance"). We are also well-versed in corporate restructuring cases involving governmental authorizations and permits or administrative regulations for financial institutions (banks, insurance companies, consumer finance companies, etc.), energy-related businesses, communications companies, pharmaceutical companies and others.

Achievements related to this practice area

2025.04.22　Best Lawyers in Japan 2026 Awards
2025.02.14　Oh-Ebashi LPC & Partners and lawyers were highly acclaimed in the Chambers Global 2025
2025.01.20　Oh-Ebashi LPC & Partners and our Lawyers were highly acclaimed in The Legal 500 Asia Pacific 2025
2024.12.12　Oh-Ebashi LPC & Partners and our Lawyers were highly acclaimed in the Chambers Asia Pacific 2025
2024.09.27　Oh-Ebashi LPC & Partners highly acclaimed in the ALB M&A Rankings 2024
2024.09.13　Oh-Ebashi LPC & Partners highly acclaimed in IFLR1000 2024
2024.09.12　Oh-Ebashi LPC & Partners and our Lawyers were highly acclaimed in asialaw 2024/25
2024.04.18　Best Lawyers in Japan 2025 Awards
2024.02.16　Oh-Ebashi LPC & Partners and lawyers were highly acclaimed in the Chambers Global 2024
2024.01.18　Oh-Ebashi LPC & Partners and our Lawyer were highly acclaimed in The Legal 500 Asia Pacific 2024
2023.12.14　Oh-Ebashi LPC & Partners and our Lawyers were highly acclaimed in the Chambers Asia Pacific 2024
2023.12.07　Our lawyers were highly acclaimed in the Nikkei Inc. "Ranking of Lawyers Who Had Outstanding Achievements in 2023."
2023.09.20　Oh-Ebashi LPC & Partners and our Lawyers were highly acclaimed in asialaw 2023/24
2023.09.14　Oh-Ebashi LPC & Partners highly acclaimed in the ALB M&A Rankings 2023
2023.07.31　Oh-Ebashi LPC & Partners highly acclaimed in IFLR1000 2023
2023.04.20　Oh-Ebashi LPC & Partners and our lawyers were highly acclaimed in the Best Lawyers
2023.02.17　Oh-Ebashi LPC & Partners and our lawyers were highly acclaimed in the Chambers Global 2023
2023.01.18　Oh-Ebashi LPC & Partners and our Lawyer were highly acclaimed in The Legal 500 Asia Pacific 2023
2022.12.15　Oh-Ebashi LPC & Partners and our Lawyers were highly acclaimed in the Chambers Asia Pacific 2023
2022.09.16　Oh-Ebashi LPC & Partners highly acclaimed in the ALB M&A Rankings 2022
2022.09.15　Oh-Ebashi LPC & Partners and our Lawyers were highly acclaimed in asialaw 2022/23
2022.08.26　Oh-Ebashi LPC & Partners highly acclaimed in IFLR1000 2022
2022.04.14　Our lawyers were highly acclaimed in the Best Lawyers
2022.02.18　Oh-Ebashi LPC & Partners and lawyers were highly acclaimed in the Chambers Global 2022
2022.01.13　Oh-Ebashi LPC & Partners and our Lawyer were highly acclaimed in The Legal 500 Asia Pacific
2021.12.17　Oh-Ebashi LPC & Partners and our Lawyers were highly acclaimed in the Chambers Asia Pacific 2022
2021.09.24　Oh-Ebashi LPC & Partners and our Lawyers were highly acclaimed in asialaw Profiles 2022
2021.09.10　Oh-Ebashi LPC & Partners highly acclaimed in the ALB M&A Rankings 2021
2021.08.25　Oh-Ebashi LPC & Partners highly acclaimed in IFLR1000's 31st edition
2021.04.15　Our lawyers were highly acclaimed in the Best Lawyers
2021.02.19　Oh-Ebashi LPC & Partners and lawyers were highly acclaimed in the Chambers Global 2021
2020.12.15　Oh-Ebashi LPC & Partners and our Lawyers were highly acclaimed in the Chambers Asia Pacific 2021
2020.10.01　Oh-Ebashi LPC & Partners highly acclaimed in IFLR1000's 30th edition
2020.09.17　Oh-Ebashi LPC & Partners highly acclaimed in the ALB M&A Rankings 2020
2020.07.21　Our lawyers were selected as Japan's top 100 lawyers in Asia Business Law Journal
2020.04.09　Our lawyers were highly acclaimed in the Best Lawyers
2019.12.10　Oh-Ebashi LPC & Partners highly acclaimed in the Chambers Asia Pacific 2020
2019.04.04　Our lawyers were highly acclaimed in the Best Lawyers
2018.12.03　Oh-Ebashi LPC & Partners highly acclaimed in the Chambers Asia Pacific 2019
2018.11.14　Oh-Ebashi LPC & Partners highly acclaimed in the IFLR1000 Financial and Corporate 2019
2018.04.06　Our lawyers were highly acclaimed in the Best Lawyers
2017.12.13　Oh-Ebashi LPC & Partners highly acclaimed in the Chambers Asia Pacific 2018
2016.03.21　Oh-Ebashi LPC & Partners and lawyers highly acclaimed in the Chambers Global 2016
2016.03.03　Our lawyers received high acclaim from "Best Lawyers."

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Lawyers in charge of M&A, Reorganization, and Business Alliance

PublicationsArchives

2025.06.23
Lexology In-House View : Transaction Structures for Public Company M&A in Japan
2025.01.10
The Legal 500 Country Comparative Guides - Japan Investing In
2024.10.16
Lexology Panoramic Next - M&A : Japan Chapter
2024.09.10
Pitfalls in applying tax haven countermeasures in M&A- Double taxation risks caused by initial filing requirements
2024.07.19
Doing Business In... 2024 Trends and Developments
2024.06.06
Overview of Guidelines for Corporate Takeovers: Enhancing Corporate Value and Securing Shareholders' Interests
2024.05.08
Lexology In-House View : Transaction Structures for Public Company M&A in Japan
2024.03.29
Overview of Guidelines for Corporate Takeovers: Enhancing Corporate Value and Securing Shareholders' Interests - Part II
2024.01.17
The Legal 500 Country Comparative Guides - Japan Investing In
2023.12.22
Overview of Guidelines for Corporate Takeovers: Enhancing Corporate Value and Securing Shareholders' Interests - Part I
2023.10.16
Getting the Deal Through - Market Intelligence M&A : Japan Chapter
2023.09.22
What is a M&A? - Scheme, Process and Points of Ventured-backed company M&A-
2023.07.18
Doing Business In... 2023 Trends and Developments
2023.06.14
Japanese takeover rules for listed companies to be fully revised
2023.05.09
Measures needed by Japanese companies in the face of greenwashing and the anti-ESG movement - Verification of important ESG factors in legal DD during M&A and subsidiary management
2022.12.23
What is a Shareholders Agreement? - An easy explanation starting from the basics covering the clauses and key points to be stipulated!
2022.12.16
JAPAN: An Introduction to Corporate/M&A: Domestic
2022.07.12
Doing Business In... 2022 Trends and Developments
2022.05.26
Issues to Note and Practical Responses by Companies Subject to the Transitional Measures Before and After the Market Restructuring of the Tokyo Stock Exchange
2021.12.16
JAPAN: An Introduction to Corporate/M&A: Domestic
2021.07.30
Explanation of the Main Points: Revised Industrial Competitiveness Enhancement Act (2) - Focus on Venture Support, Business Restructuring and Business Rehabilitation
2021.07.28
Explanation of the Main Points: Revised Industrial Competitiveness Enhancement Act (1) - Focus on Regulatory Reform and Virtual-only General Meetings of Shareholders
2021.07.14
Doing Business In... 2021 Japan 　Trends and Developments
2021.05.07
Key Points for Preparing Minutes for General Meetings of Shareholders during the COVID-19 Pandemic - From the Basics of Practice to Dealing with Virtual General Meetings of Shareholders
2021.04.28
Ronten-Taikei Corporation Law, Volume 2 (1)
2021.04.02
Points to Consider in M&A Practice Using "Share Delivery" - Based on Tax Reform and Tender Offer Regulations
2021.02.20
An Outline of the EU Foreign Direct Investment Regulations and the Impact Thereof on Japanese Companies
2020.09.15
"Deductibility of advisor costs in M&A and how to deal with tax audits"
2020.05.22
Legal Challenges Magazine: Doing Business in Japan
2020.01.14
"Exclusive Negotiation Right" - Its legal binding force and the differences with Precerential Negotiation Right
2018.09.01
Business Transfer Practices - Everything about Legal, Labor, Accounting and Tax
2017.11.29
The Legal System of Hong Kong as an international business hub (Part 2)
2016.02.01
"M&A and related trade issues based on the TPP,"
2014.01.01
"How to deal with tax troubles in M&A"
2013.08.01
Mergers and acquisitions in Singapore
2010.04.01
"A Dictionary of Frequently Used M&A Words for All Professionals Involved in M&A (The Latest Trends),"
2009.08.01
"M&A Comprehensive Map-Characteristics and Points to Note of Each Method from Scheduling-"
2009.02.01
"Recent Legal and Tax Issues on M&A Transactions,"
2006.04.01
Guide to International Legal Practice (1) to (11)

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SeminarsArchives

2025.05.26
【Online Seminar】 Series of Seminars on M&A in Various Business Fields (11): Investment in and Acquisition of Fintech and Other Financial Businesses
2025.04.22
【Online Seminar】 Series of Seminars on M&A in Various Business Fields (10): E-commerce
2025.03.14
【Online Seminar】 Series of Seminars on M&A in Various Business Fields (9): IT/Digital
2025.02.18
【Online Seminar】Series of Seminars on M&A in Various Business Fields (8): Nursing Care
2025.01.17
【Online Seminar】Series of Seminars on M&A in Various Business Fields (7): Renewable Energy (Onshore/Offshore Wind Power)
2024.12.17
【Online Seminar】Series of Seminars on M&A in Various Business Fields (6): Solar Power Generation Business
2024.12.10
【Online Seminar】Philippine Legal Practice Update ～ Ideas for Developing New Business in the Philippines ～
2024.11.22
【Online Seminar】Series of Seminars on M&A in Various Business Fields (5): Logistics
2024.10.25
【Online Seminar】 Series of Seminars on M&A in Various Business Fields (4): Pharmacies
2024.09.24
【Online Seminar】 Series of Seminars on M&A in Various Business Fields (3): Hospitals (Medical Service Corporations, etc.)
2024.08.21
【Online Seminar】 Series of Seminars on M&A in Various Business Fields (2): Medical Devices
2024.07.11
【Online Seminar】 Series of Seminars on M&A in Various Business Fields (1): Pharmaceutical Industry
2024.07.06
In-depth Analysis of M&A from Both Sides -- M&A of Startups to Create the Next Unicorns
2024.03.27
【Online Seminar】 Seminar on Legal Practices for Companies Expanding Their Business Abroad (10): Points to Note Regarding Competition Law in Major Countries
2024.03.14
DIS & JAA Joint Seminar - Japanese and German Perspectives on Post M&A Disputes -
2023.09.13
【Onilne Seminar】How to Appropriately Obtain, Read and Use Legal Due Diligence Reports in M&A Transactions
2023.08.31
【Online Seminar】 Series of Seminars on Latest Court Decisions (22): Family Mart Case where the Court Held that the Fair Trade Value Exceeded the Tender Offer Price- In light of the Effect of the "Guidance for Corporate Takeovers " on Business Practices
2023.07.05
【Online Seminar】Recent Trends in Europe Seen from the Basics of German M&As
2023.06.01
【Onilne Seminar】Seminar on Legal Practices for Companies Expanding Their Business Abroad (2): M&A
2022.09.15
【Onilne Seminar】Series of M&A Legal Practice Seminars (15): M&A and Business Restructuring - Sponsor-Based Business Restructuring Practices and Recent Cases
2022.08.30
【Onilne Seminar】Series of M&A Legal Practice Seminars (12): Basics of M&A Investment Regulations through Comparison between Japan and the United States
2022.08.23
【Onilne Seminar】Latest Practice of Carve-out M&A : Aiming at Optimizing Business Portfolios
2022.08.04
【Onilne Seminar】Series of M&A Legal Practice Seminars (13): M&A Finance
2022.08.03
【Online Seminar: Video Streaming】 Basics of Contract Practices: M&A Agreements
2022.06.22
【Onilne Seminar】Series of M&A Legal Practice Seminars (11): Regulations relating to M&A under the Antimonopoly Act - Outline of Regulations for Business Combinations and Recent Cases
2022.05.27
【Online Seminar】Series of M&A Legal Practice Seminars (10): M&A of Listed Companies
2022.04.22
【Online Seminar】Recent Trends in Hostile Takeovers - Case Studies and a Discussion of the Issues
2022.04.13
【Online Seminar】Series of M&A Legal Practice Seminars (9): The Latest Carve-Out M&A Practices - A Discussion of the Issues through Case Studies
2022.03.11
【Online Seminar: Video Streaming】Series of M&A Legal Practice Seminars (8): M&A and Data Compliance ～ Based on the Amended Personal Information Protection Act ～
2022.03.10
Series of M&A Legal Practice Seminars (8): M&A and Data Compliance ～ Based on the Amended Personal Information Protection Act ～
2022.02.18
[Online Seminar: Archive Distribution] Series of M&A Legal Practice Seminars (7): M&A Activism and Counter Takeover Bids
2022.02.17
【Online Seminar】Series of M&A Legal Practice Seminars (7): M&A Activism and Counter Takeover Bids
2022.02.07
【Onilne Seminar】New Series of International Legal Practice Seminars (6): Overseas JV and Competition Law (Antitrust Law)
2022.01.28
【Onilne Seminar】Series of M&A Legal Practice Seminars (6): Practice of Cross-Border M&A
2021.12.15
【Onilne Seminar】Series of M&A Legal Practice Seminars (5): Legal Practice in Corporate Reorganization
2021.12.01
【Onilne Seminar】Series of M&A Legal Practice Seminars (4): Legal Practice Regarding Shareholders Agreements and Joint Venture Agreements - Looking ahead toward Enforcement of Obligations and Cases Involving Listed Companies
2021.11.16
【Onilne Seminar】Series of M&A Legal Practice Seminars (3): Basics of Legal Due Diligence
2021.11.09
【Onilne Seminar】New Series of International Legal Practice Seminars (3): Joint Venture
2021.10.18
【Online Seminar: Video Streaming】 Series of M&A Legal Practice Seminars (2): Basics of M&A Agreements
2021.10.15
【Onilne Seminar】Series of M&A Legal Practice Seminars (2): Basics of M&A Agreements
2021.09.24
【Onilne Seminar】Series of M&A Legal Practice Seminars (1): M&A Strategy and Points to Note in Legal Practice
2021.06.11
【Online Seminar】International Legal Practice Seminar (9): Fundamentals and Practice of Cross-border M&A
2021.01.22
【Online Seminar: Video Streaming】M&A Utilizing "Delivery of Shares (kabushiki kofu)" under the Amended Companies Act - Potential Uses and Issues Thereof
2020.05.15
【Online Seminar】Dealing with Novel Coronavirus Related Matters II: Notes on M&A with a Company under a Civil Rehabilitation Proceeding
2020.02.27
【Osaka】FIRRMA will Comprehensively Take Effect in February 2020: Learn through Q&A regarding the Latest CFIUS Review Procedure
2020.02.21
【Tokyo】FIRRMA will Comprehensively Take Effect in February 2020: Learn through Q&A regarding the Latest CFIUS Review Procedure
2019.10.31
Important Issues in Business Legal Affairs in View of Latest Developments - The Companies Act and M&A
2019.09.06
Practical Points to Know in order to Carry Out M&A Smoothly in Europe
2019.07.18
Key Points in M&A - Learning from Disputes
2019.04.16
Venture Investments and Acquisitions by Business Companies - A Commentary based on Case Studies
2019.01.28
【Tokyo】The Cutting Edge of the CFIUS Review Process since the Enactment of FIRRMA
2018.12.07
【Osaka】The Cutting Edge of the CFIUS Review Process since the Enactment of FIRRMA
2018.11.28
Acquisition of and Investment in Venture Companies by Businesses
2018.11.09
Philippine Legal Practice Update ～ Ideas for Developing New Business in the Philippines ～
2018.10.26
【Tokyo】M&A Legal Practices - Turning the Insolvency of Business Partners and Competitors into a Business Opportunity
2018.10.10
【Osaka】M&A Legal Practices - Turning the Insolvency of Business Partners and Competitors into a Business Opportunity
2018.08.07
【Osaka】U.S. and European Investment Restrictions that May Affect Cross-Border M&As -- Focusing on the CFIUS
2018.07.20
【Tokyo】U.S. and European Investment Restrictions that May Affect Cross-Border M&As -- Focusing on the CFIUS
2018.07.10
Present and Future of M&As Using One's Own Shares as the Consideration -- Prospects on the Share Delivery (kabushiki kofu) System Taking into Consideration the Tax Implications
2018.06.05
Contract Drafting Practices for Businesses - Including Commentary on the Amendments to the Civil Code - Session 3: Agreements on Entrustment of Business and Sales Collaboration Agreements
2018.03.13
【Osaka】Answers to Questions You are Hesitant to Ask about the Relationship between Legal Due Diligence and SPA - A Discussion in light of the Amendments to the Civil Act
2018.01.26
【Tokyo】Answers to Questions You are Hesitant to Ask about the Relationship between Legal Due Diligence and SPA - A Discussion in light of the Amendments to the Civil Act
2017.11.28
Current Developments in U.S. Antitrust Laws and Cross-Border M&A ～Consideration for Japanese Businesses: International Cartel Investigations・Litigation・M&A Activities～
2017.09.28
The Legal Practice on Business Expansions to Southeast Asia - Latest Updates on the Changing Legal Practice in the Philippines A Year After the Inauguration of President Duterte ～Tips on New Business Development in the Philippines
2017.09.14
Corporate and Dispute Resolution Practices in Southeast Asia - Osaka
2017.09.13
Corporate and Dispute Resolution Practices in Southeast Asia - Tokyo
2017.07.21
Special Commemorative Seminar to Celebrate the 20th Anniversary of the Retrocession of Hong Kong - Practical Points in Using Hong Kong as a Business Hub (Osaka)
2017.04.24
Legal Practices on M&As in Southeast Asia (Legal Practices in Nine Southeast Asian Countries Mainly on Share Transfers and Business Transfers) (Nagoya)
2017.04.21
Special Commemorative Seminar to Celebrate the 20th Anniversary of the Retrocession of Hong Kong - Practical Points in Using Hong Kong as a Business Hub (Tokyo)
2017.04.01
Exit Strategy
2017.02.09
Legal Practices on M&As in Southeast Asia (Legal Practices in Nine Southeast Asian Countries Mainly on Share Transfers and Business Transfers) (Osaka)
2016.12.14
Legal Practices on M&As in Southeast Asia (Legal Practices in Nine Southeast Asian Countries Mainly on Share Transfers and Business Transfers) (Tokyo)
2012.07.05
Integration of Workers and Cultures in M&As

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