Partner
Senior Counsel
Adviser
Associate
Counsel (not registered)
Law Clerk
[ Partner ]
Mr. Yamanaka's practice focuses on finance law and corporate law related matters, including regulation of financial institutions and general corporations, securitization and liquidation, collective investment schemes, as well as disclosure in primary and secondary securities markets, and derivative transactions. His practice also covers a number of litigation related to financial products.

Publications, presentations and articles
I. Securities Regulation, Securities Litigation
　　・“Defence Strategy against US Class Action: Securities Class Action(1)(2)” Business Law Journal, Jan & Feb 2018
　　・“Need for Self-Regulatory and Aggressive Securities Market Regulations” The Japan Business Law, May 2006
　　・“Financing Scheme (Moving Strike Convertible Bond) Used by Livedoor and Lehman Brothers,” The Japan Business Law, May 2005
　　・Co-author, “Case Study of Ministerial Ordinance concerning Securities Companies: An Examination of Cases where Sanctions were Imposed by the Financial Services
　　　Agency Regarding EB Bond/Provision of Special Benefit,” Commercial Law Review, March 2003
II. Trust, Investment Trust, Investment Advisory Business, Fiduciary Duty
　　・“Legal and Practical Issues of Life Insurance Trust” Shintaku Forum vol.5, March 2016
　　・“Points to Note for Sale of Inventment Trust – How to Act If a Distributing Company (Hanbai Kaisha) Finds an Inadequate Prospectus- Analysis Based on Tokyo High
　　　Court Decision Regarding Investment Trust with Monthly Dividend dated Janurary 26, 2015” Ginko Homu21 No. 788, July 2015
　　・“Consideration on Accountability of Investment Trust Management Companies – Based on Tokyo District Court Evaluation Regarding Monthly Dividend Type
　　　Investment Trust dated March 11, 2014” Kinyu Homu Jijo No. 2006, November 2014
　　・“Fiduciary Duty of Asset Management Companies under Japanese Law,” Jurist, December 2003
　　・Co-author, “Investment Trust with Only One Beneficiary and Investment Trust Investing in Only One Investment (Volume I and Volume II),” Kinyu Homu Jijo Nos.
　　　1671 and 1672, April 2003
　　・Co-author, “Theoretical Inquiries on Duty of Explanation with respect to MMF and other Investment Trusts,” Kinyu Homu JijoNo. 1642, May 2002
　　・“Loss of Principal of MMF (Money Market Fund) and Accounting for Investors: Accountability of Investment Trust Management Companies and Distribution
　　　Companies,” Kinyu Homu Jijo No. 1630, December 2001
　　・“Inquiries on Various Concepts about Investment Trust,” Kinyu Homu Jijo No. 1575, April 2000
III. Derivatives
　　・“Soccer Lottery (“TOTO”) and New Types of Derivatives,” Kinyu Homu Jijo No. 1609, April 2001
　　・Co-author, “Derivatives Transactions under Financial System Reform Laws (1) – (4),” Kinyu Homu Jijo Nos. 1539 -1543, February – April 1999
IV. Corporate Law
　　・“Legal Issues on Protection against Hostile Takeovers (Volumes I and II),” The Japan Business Law, November and December 2005
　　・“Unification of Kabushiki Kaisha and Yugen Kaisha: Goudou Kaisha and LLP,” Zeimu Koho, February 2005
　　・All about the New Corporate Law Code: Q&A, Chuokeizai-sha, Inc., 2005
V. Securitization
　　・“Fundamental Concepts of Investment Management Business in Financial Instruments and Exchange Act – Real Estate Fund of Securitization Type-” Kinyu Homu Jijo No. 1825, February 2008
　　・“New Company Law and SPCs in Securitization,” Kinyu-Homu-Jijo No. 1767, April 2006
　　・“Effect brought onto the Practice of Securitization and Business Reorganization by New Laws in Japan,” New Business Law, December 2004
VI. Personal Information Protection Law
　　・“Personal Information Protection Law: How to Address Issues Related to Delegates,” The Japan Business Law, February 2005
VII. Bankruptcy Law
　　・Co-author, All about the New Bankruptcy Law Promulgated on June 2, 2004, Chuokeizai-sha, Inc., 2004
VIII. Others
　　・“Federal and State Law Systems in USC concerning Management of Lease and Rental Housing,” The Japanese Journal of Real Estate Sciences No. 93, September 2010
　　・“Responsibility of Rookie Lawyer Causing Losses by Giving Bad Advice to a Client,” The Japan Business Law, January 2004
　　・“Rights and Obligations Represented by the Bill of Landing,” Keiri-joho, October 2003
　　・“Practice for the Right to Complete Blank Checks,” Keiri-joho, March 2003

Presentations
Masato Yamanaka holds many lectures and seminars about securities regulations, investment trusts, private funds, trust beneficial interests, derivatives, FX margin transations etc.

Admission
・1998　Dai-ni Tokyo Bar Association
・2011　New York State, USA
・2016　Certified Trust Practitioner (Japan)
・2017　Washington D.C., USA

Education
・1996　Graduation from Waseda University (LL.B.)
・2009　Graduation from University of Pennsylvania Law School (LL.M.)

Professional Career
・Apr 1998 - Sep 2002 Mitsui, Yasuda, Wani & Maeda
・Oct 2002 - May 2007 Asahi & Koma Law office
・May 2007 - Dec 2017 Baker & McKenzie (Partner)
・Jan 2018 - present Koma Glocal Law Office (Partner)


-Secondment
・Sep 2009 - Dec 2009 Baker McKenzie New York Office
・Jan 2010 - Mar 2010 Marsh & McLennan Companies, Inc. (Legal Department)
・Apr 2010 - Dec 2011 Sumitomo Mitsui Banking Corporation, New York Branch (Specialized Finance Department)

-Others
・Ippan Shadan Hojin Civil Trust Promotion Center (Former Inspector)
・Japan Israel Chamber of Commerce (Auditor)
・Japan Curling Association (Legal Counsel, Compliance Committee Member)
・Japan Balloon Federation (Legal Counsel)
・Bambitious Nana (Basketball) (Legal Counsel)
・VC Nagano Create Sports(Volleyball) (Statutory Auditor)
・Aomori Watts (Basketball) (Statutory Auditor)
・Tokyo Summary Court (Mediator)
・External Director of Japanese Type II Financial Instruments Business Operator
・Passed the Palau Law Essay Exam at Palau Bar Exam in 2015 (but failed to pass MPT exam)

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[ Partner ]
Sosei Yamasaki focuses on corporate legal matters, including corporate governance, cross-border transaction, M&A, joint venture, strategic investment, project development, and antitrust issues.
He regularly represents individual and corporate clients in complex commercial litigations, including acquisition-related matter, investment dispute, construction, real estate transaction.

Publications, presentations and articles
Publications, presentations and articles
“Latest practical manual for Directors” (Co-author,Shin Nippon Hoki, 2014)
“Legal Consultation about NPO” (Co-author,Eiji-Publishing, 2016)
“Need-to-know - Act against Unjustifiable Premiums and Misleading Representations” (Co-author, Dai-ichi Tokyo Bar Association)
“Stock Purchase Model Contract Report of the American Bar Association” (Kokusai Shouji Houmu)
“Charity Global Guide〜Japan Chapter〜”(Thomson Reuters, Practical Law).

Presentations
Lectures
Seminars on the following themes conducted for client corporations (themes include: contracts in English; amendment of the Creditor Law; personal information; IT affiliated disputes; competition law compliance)

Admission
2009　Dai-ichi Tokyo Bar Association

Education
・Mar 2003　Graduation from Keio University (B.A., Law)
・Mar 2008　Graduation from Keio University Law School (LL.M)
・Dec 2009　Obtains diploma from the Legal Research and Training Institute of the Supreme Court of Japan (Law Clerk)

Professional Career
・2010 - 2013 Nagase & Co., Ltd (In-house Legal Counsel)
・2013 - 2019 Higuchi & Partners, LPC
・2019 　 Koma Glocal Law Office (formerly, Koma & Ono Glocal Law Office)


[ Senior Counsel ]
In addition to eight and a half years of experience as a distinct prosecutor, involvement with the legal interpretation of criminal law and legislation with the Ministry of Justice for over eight years has led to a status in the Cabinet Legislation Bureau, for the following 22 years, to screen the legislative proposals of the respective ministries and present legal opinions pertaining to all aspects of legislation to the governing Cabinet.

Publications, presentations and articles
“Simplifying Legislation” co-author, Shinzansha, 1997.
Written the segment “Simplifying Laws and Ordinances from the Legislation Standpoint”

Admission
2016　Dai-ni Tokyo Bar Association

Education
・1968　Graduation from the University of Tokyo(LL.B.)

Professional Career
・1970 - 1984 As a public prosecutor for the district courts in Tokyo, Okayama and Sapporo. During this period, served as public prosecutor for the Ministry of Justice Correction Bureau (engaged in revising the Prison Law, etc.)
・1984 - 1986 Counsellor for the Criminal Affairs Bureau of the Ministry of Justice
(in charge of the revision of the Juvenile Law and effectuating countermeasures for drug related crime, etc.) During this period, was sent to France for approximately six months on a field study to survey contingent assistance in international criminal investigations.
Engaged in “Problems and Countermeasures for Resolving International Crime Investigations” of Legal Affairs Research
・1987 - 1993　　Counselor of the Cabinet Legislation Bureau (Second Department)
・1993 - 1996　　Executive-Secretary of Administrative Office of the Director-General of the Cabinet Legislation Bureau
・1996 - 2002　　Director-General of the Second Division of the Bureau
・2002 - 2004　　Director-General of the First Division of the Bureau
・2004 - 2006　　Deputy Director-General of the Cabinet Legislation Bureau
・2006 - 2010　　Director-General of the Cabinet Legislation Bureau
・2010 - 2016　　Professor of Hosei Law School
・Jan 2018 - present　Koma Glocal Law Office (formerly, Koma & Ono Glocal Law Office)

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[ Senior Counsel ]
For nearly 40 years, Yasushi Murofushi has been practicing law as both outside and in-house counsel, focusing mainly on legal and compliance matters related to international finance. Recently, he has been providing consulting services in order to enhance the governance functions of corporates and the other organizations, mainly with regard to the legal and compliance departments, utilizing his extensive experience of in-house counsel.

Publications, presentations and articles
・“Execution of Legal Operations 　Special Edition – Enhancement of Legal Functions and Legal Operations”(Shoujihoumu potaru 2022)
・ “Up to Today and From Tomorrow – Explosive Expansion of JILA and What’s Ahead”
(20 Years of Japan In-house Lawyers Association 2021)
・Whalley=Guzelian “Legal Risk Management Handbook”（Translation and addition 2021）
・“The Present State and Challenges of an In-house Lawyer” (NIBEN Frontier 2016)　　
・“The Present State and Challenges of an In-house Lawyer in Japan”（Hougaku Kyoushitsu 2015）
・“Towards Enhancement of the Usage of In-house Counsel in Regional Financial Institutions”(Ginko-houmu21 2013)
・“10 Years After – In-house Lawyers: Up to Today and from Tomorrow”(Jiyuu To Seigi 2011)
・“Who are the Clients of In-house Counsel?”（In-house Counsel 2009）
・“What Do Financial Institutions Look for in Outside Counsel？”（Kinyuu Houmu Jijyo 2008）

Presentations
・“Current Legal Functions of Japanese Financial Institutions and the Challenges” (Tokyo Metropolitan Government Finance and Compliance Human Resource Development Course 2022)
・“How Can the Modern Day GC Maximize the Value of Legal Operations” (ALB In-House Legal Summit 2022)
・“Strategies for Strengthening Legal Functions to Enhance Corporate Value- How to Deal With ‘Do More With Less’ - ”（JBPress 2022）
･“The Role of the Legal Functions in Enhancing Corporate Value and the Challenges for the Japanese Companies - Legal Risk Management Lead by GC/CLO” (Japan Association for Chief Legal Officers 2022)
・“The Present State and Challenges of Legal Risk Management with the Japanese Companies - Make the Legal Department the Most Powerful ‘Weapon’ in Business!”（Legal & Risk Management Institute 2022）
・“In-House Lawyer Careers and Corporate Legal Affairs in Japan” (Japan Federation of Bar Associations 2021)
・“Meeting the Needs of Today’s General Counsel: Do’s and Don’ts for Outside Counsel” (International Bar Association Law Firm Management Conference 2016)
・“The Role of the General Counsel in Global Corporations and the Use of In-House Counsel in Japan」(The Corporate Governance Network of Japan 2015)

Admission
・1985　　Dai-ni Tokyo Bar Association
・2023 -　Chief Research Fellow, Japan Association for Chief Legal Officers

Education
・1981　　University of Tokyo LL.B.
・1988　　Cornell Law School LL.M.

Professional Career
・1985 - 1993　　Hamada ＆ Matsumoto（currently Mori, Hamada & Matsumoto）
・1988 - 1989　　Sullivan and Cromwell, New York
・1993 - 1997　　Adachi, Henderson, Miyatake & Fujita
・1997 - 2000　　Tokyo Aoyama Law Office (currently Baker & McKenzie (Gaikokuho Joint Enterprise))
・2000 - 2017　　Credit Suisse Securities (Japan) Limited and Credit Suisse Tokyo Branch (Managing 　　　　　　　　　　Director, Head of Legal and Compliance)
・2017 - 2020　　Koma Ono Glocal Law Office
・2020 - 2023　　EY Law Co.
・2024 - 　　　　 Koma Glocal Law Office

Others
・President, Japan In-House Lawyers Association (JILA) (2012〜2018)
・Member of Securities Sector Committee, International Bankers Association（IBA）(2001〜2016)
・Lecturer, Tsuda University, Department of Policy Studies (2018〜2022)


[ Adviser ]
Mr. Seki has professional knowledge on commercial law and companies law.

Publications, presentations and articles
・Theory for Evaluation of Stocks（Shoji Homu Kenkyu Kai, 1983）【sole author】
・Corporate Law（2nd Edition of Complete Revision）（Shoji Homu Kenkyu Kai, 2009）【sole author】
・General Rules of Commercial Law (2nd Edition)（Yuhikaku,2007）【sole author】
・Laws on Financial Bills and Checks (New Edition)（Shoji Homu Kenkyu Kai, 2004）【sole author】

Admission
2004　Dai-ichi Tokyo Bar Association

Education
・Mar 1965　University of Tokyo (LL.B.)
・Mar 1976　University of Tokyo (J.D.)
・1980　　　 Univercité de Paris Panthéon Sorbonne (foreign student sponsored by French government)
・1987　　　 Harvard Law School, Visiting Scholar

Professional Career
・January 2019 - 　Koma Glocal Law Office (formerly, Koma & Ono Glocal Law Office)


[ Associate ]
Ms. Ishitaki joined Koma Glocal Law Office after she experienced in general civil law such as divorce, inheritance and debt-workout, cases to demand for disclosure of identification of caller/sender, and criminal defense for foreigners at other law firm in Tokyo.
When she was a college student, she studied abroad at University of California—Irvine in California.
She now focuses on corporate and financial law, including both of domestic or international matters.

Admission
2022　Dai-ichi Tokyo Bar Association

Education
・ 2019　Graduation from Soka University （LL.B.）
・ 2021　Graduation from Soka University School of Law (J.D.)
・ 2021　Passed the bar examination
・ 2022　Diploma from the Institute of Legal Research and Training of the Supreme Court of Japan

Professional Career
・ 2023 Tokyo Sky Law Office
・ 2024 Koma Glocal Law Office

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[ Associate ]
Since his father was a certified tax accountant before his father's death, Mr. Sawahata has always had a strong interest in law and tax related to finance, and he is focusing on this area as an attorney-at-law. Just prior to his admission to the bar, he spent about a month abroad for training of his English skill. He will actively work on English-language cases.

Admission
2025　Dai-ni Tokyo Bar Association

Education
・ 2022　Graduation from Keio University
・ 2022　Passed the preliminary bar examination
・ 2023　Passed the bar examination
・ 2023　Graduation from Chuo University Law School
・ 2025　Diploma from the Institute of Legal Research and Training of the Supreme Court of Japan

Professional Career
・ 2025 Koma Glocal Law Office


[ Counsel (not registered) ]
With wide-range of experiences and accomplishments, the long-standing field of expertise in corporate law and international finance law. As of Mar 2025, withdrawal from Bar association.

Publications
⎾Lawyers in the midst of Reformation⏌ -Lawyers and Internationalization
(co-authored) (Yuhikaku)
“How to Start and Grow a Hedge Fund in Asia”” (co-authored) (ISI Publications)

Admission
Mar 2025 Withdrawal from Bar association

Education
・1970　　　　　Graduation from the University of Tokyo(LL.B.)
・1975 - 1977 　Diploma from The Legal Research and Training Institute
・1986　　　　　Graduation from the Law School of University of Michigan (MCL)

Professional Career
・ Apr 1977 - Mar 1982　Tsuguo Imamura Law Office
・ Apr 1982 - Mar 2008　The law firm of Hamada & Matsumoto (presently: Mori Hamada & Matsumoto
・ Aug 1985 - 1986 　 　 Stagiaire at the law firm of Cleary Gottlieb Steen & Hamilton LLP (New York)
・ Apr 2008 - Jun 2017　SPARX Group Co., Ltd. and SPARX Asset Management Co., Ltd. (General Counsel)
・ Apr 2012 - Jun 2017　Hibiya Minami Law Office
・ Jun 2017 - Mar 2025　Koma Glocal Law Office(Partner)
・ Apr 2025 - Koma Glocal Law Office(Counsel (not registered))


[ Law Clerk ]


Education
・Mar 2018　Graduation from Waseda University (LL.B.)
・Mar 2024　Graduation from Hitotsubashi University School of Law (J.D.)

Professional Career
・ 2024 Koma Glocal Law Office
・ Certified Specialist of Intellectual Property Management (Grade 2)