Engaged Cases
1． Litigation/Dispute resolution
・Litigation concerning fraudulent business transfer
・Litigation for refund of loans
・Litigation concerning deposits
・Litigation concerning registeration of settlement of mortgage
・Litigation for a request for disclosure of the sender's information
・Civil preservation cases such as a petition for order of provisional disposition of real-estate
・Mediation case for the claim to seek declaration of non-existence of liability
・Dispute concerning defect of real estate
・Fraud investigation concerning violation of insider-trading regulations, etc.
2． Commercial transactions
・Domestic M&A: Share transfer agreement, shareholders agreement, joint venture agreement, business transfer, liquidation, etc.
・Business alliance agreement
・Real estate financing (including preparation of a template of transaction agreement for trust beneficiary right)
3． Practice of the Companies Act and other corporate legal affairs in general
・Various advice on the Companies Act, the Act on the Protection of Personal Information, the Act against Unjustifiable Premiums and Misleading Representations, the Financial Instruments and Exchange Act, and the Antimonopoly Act (unfair trade on restrictive terms, abuse of dominant bargaining position, etc. )/the Subcontract Act.
・Supporting general meeting of shareholders (formulation of agenda, legal documents, response to shareholders’ proposals, rehearsal, proxy solicitation)
・Response to the revision of the Law of Obligations
・Non-commercial trusts
・Preparation of a written opinion (the Money Lending Business Act, violation of security obligation, etc.)
・Labor (dismissal, etc.)
Career Summary
- October 1991
- Born in Yamagata Prefecture, Japan
- March 2010
- Graduated from Yamagata Prefectural Yamagata East Senior High School
- March 2014
- Received his LL.B. from Hitotsubashi University
- December 2016
- Received his Diploma from the Legal Training and Research Institute of the Supreme Court of Japan (69th)
- December 2016
- Registered as a Japanese attorney and joined Iwata Godo
- 2020-2022
- Worked for the Legal Department of Mitsubishi Corporation
Awards
The Best Lawyers in Japan 2026
List of Main Publications
・"Guide to New Commercial Case Law" (co-author, Shoji Homu from No.2325 to No. 2346 and series from April to December 2023)
・"The Latest Shareholder Meeting Stories” (co-author, Shoji Homu, 2022)
・"Review of Security Interests: Using Inventory as Collateral" (October 2022 issue of Ginkou Homu 21)
・"Reference Examples of Bank Transaction Agreement - Commentary on Practices" (co-author, Economic Legal Research Institute, 2021)
・“IPO Story and the 745-Day Voyage Leading up to the Listing of a Venture Company ”(co-author, Shoji Homu, 2020)
・“A Case in which, regarding the sale and purchase of a building with the land lease right, the seller was exempted from the obligation to obtain prior approval from the landlord for the issuance of the funding approval document (Decision of the Tokyo District Court, Civil Division 12 on July 4, 2018)”(co-author, Vol. 51 of ARES Real Estate Securitization Journal, 2019)
・“Study on Banking Transaction Contracts – Netting of Outstanding Obligations ”(July 2019 issue of Banking Law Journal 21)
・“Practice to Prepare Minutes of Meetings of Shareholders and Board of Directors” (co-author, SMBC’s social gathering for discussion of business operations, 2019)
・“Questions and Answers: Amendment of Inheritance Laws and Financial Practices”(co-author, Economic Legal Research Institute, 2018)
・“Q&A on Amendment to Law of Obligations – Fully Adapt to the Changes in Financial Business Practice” (co-author, Banking Education Co. Ltd., 2018)
・“Theories and Business Practices of Prescription and Limitation of Period” (co-author, Nihon Kajo Publishing Co., Ltd, 2018)
Publications
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202504
Japan Institute of Business Law releases the Report of the Corporate Act Study Group
Publisher：Shoji Homu Portal website
- Author：
- SASAKI Tomoo
-
202412
Sasaki Tomoo authors a commentary on the Consumer Affairs Agency's corrective actions order against Taisho Pharmaceutical for stealth marketing of dietary supplements (Shoji Homu Portal website)
- Author：
- SASAKI Tomoo
-
202408
Sasaki Tomoo authors a commentary on the Consumer Affairs Agency's corrective actions order against WECARS Co., Ltd. for misleading statements about used cars (Shoji Homu Portal website)
- Author：
- SASAKI Tomoo
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202402
IG lawyers co-author Strategy of Corporate Defense, Toward Improving Corporate Value in collaboration with Mizuho Trust & Banking (Shoji Homu)
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202312
The lawyers of our firm co-author "Guide to New Commercial Case Law No. 775" in Shoji Homu No. 2346
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202311
The lawyers of our firm co-author "Guide to New Commercial Case Law No. 774" in Shoji Homu No. 2343
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202310
The lawyers of our firm co-author "Guide to New Commercial Case Law No. 773" in Shoji Homu No. 2340
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202309
The lawyers of our firm co-author "Guide to New Commercial Case Law No. 772" in Shoji Homu No. 2338
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202309
Sasaki Tomoo authors a commentary on the TSE's study of protection of minority shareholders at controlled companies (Shoji Homu Portal website)
- Author：
- SASAKI Tomoo
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202309
The lawyers of our firm co-author "Guide to New Commercial Case Law No. 771" in Shoji Homu No. 2335
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202307
The lawyers of our firm co-author "Guide to New Commercial Case Law No. 770" in Shoji Homu No. 2333
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202306
The lawyers of our firm co-author "Guide to New Commercial Case Law No. 769" in Shoji Homu No. 2330
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202305
The lawyers of our firm co-author "Guide to New Commercial Case Law No. 768" in Shoji Homu No. 2327
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202305
The lawyers of our firm co-author "Guide to New Commercial Case Law No. 767" in Shoji Homu No. 2325
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202303
Sasaki Tomoo authors "Consumer Affairs Agency Orders Improvements at Three Concert Promoters Under the Act Against Unjustifiable Premiums and Misleading Representations" (Shoji Homu Portal website)
- Author：
- SASAKI Tomoo
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202212
Iwata Godo lawyers co-author The Latest Shareholder Meeting Stories(Shoji Homu)
- Author：
- TOJI Yoshihiro TAGO Shinya SAKAMOTO Tomoko IZUMI Atsushi ITO Hiroki EIGUCHI Manabu ITO Nanako AOKI Shinji TOKUMARU Daisuke MUTOU Yuuki KAKUNO Shu TOMITA Yusuke IIDA Hiroshi UENISHI Takuya MORI Shunsuke KARASAWA Akira ISHIKAWA Teppei SUZUKI Tomohiro SEKIGUCHI Akimasa SASAKI Tomoo ISHIKAWA Hiroaki FUKATSU Haruno FUKUCHI Takumi TOYOOKA Hiroto MATSUHASHI Sho KUKIMOTO Sayaka NOGUCHI Daisuke ITO Natsuho ANZAI Kazuto MATSUDA Taiki
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202209
Sasaki Tomoo authored "Review of Security Interests: Using Inventory as Collateral" in the October issue of Ginkou Homu
- Author：
- SASAKI Tomoo
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202209
Sasaki Tomoo authored a commentary on the press release of IR Japan Holdings concerning the report of its Investigation Committee (Shoji Homu Portal website)
- Author：
- SASAKI Tomoo
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202107
Tomita Yusuke, Suzuki Tomohiro, and Sasaki Tomoo co-authored Reference Examples of Bank Transaction Agreement - Commentary on Practices which is published by Economic Legal Research Institute.
- Author：
- TOMITA Yusuke SUZUKI Tomohiro SASAKI Tomoo
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202010
With Motomura Takeshi as the representative editor & author, and Mutou Yuuki and Ikeda Minako as the editor & author, Adachi Makoto, Kudo Ryohei, Sasaki Tomoo, Fukasawa Atsushi,and Fujiwara Hiroki authored the publication titled " IPO Story and the 745-Day Voyage Leading up to the Listing of a Venture Company ", which was published by Shoji Homu.
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202003
Sasaki Tomoo's commentary titled "Impact of the Prevalence of New Coronavirus Infectious Disease on Shareholders' Meeting and Practical Considerations" is available on the Shoji Homu Portal Site.
- Author：
- SASAKI Tomoo
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201910
Sasaki Tomoo's commentary titled "The Japan Fair Trade Commission Makes Decision Revoking Part of a Surcharge Payment Order Issued to Edion Corporation (Case on Abuse of a Superior Bargaining Position)" is available on the Shoji Homu Portal Site.
- Author：
- SASAKI Tomoo
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201910
Kashiwagi Kensuke and Sasaki Tomoo authored the 5th article of the series "Points for Attention to be Obtained from Judicial Precedents Regarding Practices of Real Estate/Finance Transactions" titled “A Case in which, regarding the sale and purchase of a building with the land lease right, the seller was exempted from the obligation to obtain prior approval from the landlord for the issuance of the funding approval document (Decision of the Tokyo District Court, Civil Division 12 on July 4, 2018)” which appears in Vol.51 of ARES Real Estate Securitization Journal.
- Author：
- KASHIWAGI Kensuke SASAKI Tomoo
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201907
Sasaki Tomoo authored an article titled "Study on Bank Transaction Agreement: Offsetting Outstanding Obligations" which appears in the July 2019 issue of Ginkou Homu 21.
- Author：
- SASAKI Tomoo
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201906
Sasaki Tomoo's commentary titled "The Japan Fair Trade Commission Makes a Recommendation to Recruit Holdings Co., Ltd. and Recruit Co., Ltd." is available on the Shoji Homu Portal Site.
- Author：
- SASAKI Tomoo
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201905
Ueda Atsushi, Uenishi Takuya and Sasaki Tomoo represented a bank in a case at the Tokyo District Court and a commentary article on its judicial decision made on January 29, 2019 (In a case where Part of Mark or Brand Name was Succeeded, the Joint and Several Liability of Transferee Company was Acknowledged by Analogical Application of Article 22 (1) of the Companies Act which provides for the Liability of Transferee Company Continually Using the Trade Name of Transferor Company) appears in the Kinyu Shoji Hanrei No. 1566.
- Author：
- UEDA Atsushi UENISHI Takuya SASAKI Tomoo
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201903
Tago Shinya, Eiguchi Manabu, Nakamura Saeko, Sasaki Tomoo, Miura Takashi and Fukatsu Haruno co-authored the publication titled Practice to Prepare Minutes of Meetings of Shareholders and Board of Directorswhich is published by SMBC’s social gathering for discussion of business operations.
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201901
Sasaki Tomoo's commentary titled "The Ministry of Justice Announces that the Rules on Will by Holograph Document Has Been Changed" is available on the Shoji Homu Portal Site.
- Author：
- SASAKI Tomoo
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201812
Tomita Yusuke, Suzuki Tomohiro and Sasaki Tomoo contributed the publication entitled Questions and Answers: Amendment of Inheritance Laws and Financial Practices which is published by Economic Legal Research Institute.
- Author：
- TOMITA Yusuke SUZUKI Tomohiro SASAKI Tomoo
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201809
A book authored by our lawyers entitled Q&A on Amendment to Law of Obligations - Fully Adapt to the Changes in Financial Business Practice (recommended by Hosomizo Kiyoshi, special advisor of Iwata Godo and former Commissioner of the Financial Services Agency) is published by Banking Education Co. Ltd.
- The author and editor：
- MOTOMURA Takeshi KASHIWAGI Kensuke
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201809
Sasaki Tomoo's commentary titled "The Ministry of Internal Affairs and Communications Issued a Correction Order to NTT Docomo for Violation of the Act for Prevention of Improper Use of Mobile Phones" is available on the Shoji Homu Portal Site.
- Author：
- SASAKI Tomoo
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201807
A book authored by our lawyers entitled Theories and Business Practices of Prescription and Limitation of Period is published by Nihon Kajo Publishing Co., Ltd.
- Author：
- KASHIWAGI Kensuke EIGUCHI Manabu ITO Hiroki AOKI Shinji MUTOU Yuuki ITO Nanako FUJIWARA Hiroki MATSUDA Akira TOKUMARU Daisuke MARUYAMA Shinji KAKUNO Shu TOMITA Yusuke UENISHI Takuya KUDO Ryohei BEPPU Fumiya MORI Shunsuke KARASAWA Akira SAITO Hiroki YAMADA Kohei HORITA Koji SUZUKI Tomohiro NAKAMURA Saeko SASAKI Tomoo YU Zhiming Landry GUESDON
- Editor：
- TAGO Shinya OKUSHI Kenichi IIDA Hiroshi
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201804
Sasaki Tomoo's commentary titled "The Intellectual Property High Court Rendered a Decision in a Case Where the Violation of the Unfair Competition Prevention Act was Disputed over the Fact that a Former Company Employee Manufactured Products by Illegally Using Trade Secrets of the Former Company after Independence from the Former Company" is available on the Shoji Homu Portal Site.
- Author：
- SASAKI Tomoo
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Seminars
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201808
Motomura Takeshi, Mutou Yuuki and Sasaki Tomoo participated in a panel discussion of IPO seminar jointly held by Sumitomo Mitsui Trust Group, Plutus Consulting and Iwata Godo.
Speaker： MOTOMURA Takeshi MUTOU Yuuki SASAKI Tomoo
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News
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202504
22 lawyers of our firm were recognized in The Best Lawyers in Japan 2026.
Best Lawyers
■ Antitrust / Competition Law
TOJI Yoshihiro
IZUMI Atsushi
■ Banking and Finance Law
TOJI Yoshihiro
SAKAMOTO Tomoko
MATSUDA Takao
■ Corporate and Mergers and Acquisitions Law
MOTOMURA Takeshi
■ Corporate Governance and Compliance Practice
YOSHIHARA Tomomichi
■ Insolvency and Reorganization Law
TAGO Shinya
MOTOMURA Takeshi
URANAKA Hirotaka
■ Labor and Employment Law
TAGO Shinya
■ Litigation
TOJI Yoshihiro
WAKABAYASHI Shigeo
MOTOMURA Takeshi
YOSHIHARA Tomomichi
URANAKA Hirotaka
■ Tax Law
MUTOU Yuuki
Best Lawyers - "Ones to Watch"
■ Antitrust / Competition Law
OKAMURA Yu
MATSUHASHI Sho
■ Arbitration and Mediation
NAKAMURA Saeko
MIURA Takashi
■ Corporate and Mergers and Acquisitions Law
OKAMURA Yu
SASAKI Tomoo
FUKATSU Haruno
FUKUCHI Takumi
KITAGAWA Hiroki
TOYOOKA Hiroto
MATSUHASHI Sho
■ Information Technology Law
ADACHI Makoto
■ Intellectual Property Law (Non-Patent)
ISHIKAWA Hiroaki
■ Labor and Employment Law
NAKAMURA Saeko
KITAGAWA Hiroki
■ Privacy and Data Security Law
HORITA Koji -
201712
We welcomed new attorneys, Miura Takashi and Fukastu Haruno.
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201612
We welcomed new attorneys, Nakamura Saeko and Sasaki Tomoo.
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