About Attorney


Ryu Nakazaki

Ryu Nakazaki, Attorney-at-Law (Japan)

Areas of expertise
• Internet Business(e.g. advertisement, data, game and shopping mall businesses)
• Financial Regulations (e.g. settlement regulations, anti-money laundering regulations, PII regulations)
• Cross border transactions involving Japan (e.g. license agreements, business collaboration agreements and such)


March 2002 Graduated University of Tokyo, Faculty of Law
2004  Finished judicial apprenticeship at Legal Research and Training Institute (until 2005)
2005 Became registered attorney (First Tokyo Bar Association)
Joined Nagashima, Ono, & Tsunematsu law firm (until 2011)
2008 Joined Ministry of Economy, Trade and Industry, Commerce and Information Policy Bureau, Trade Credit Division (Currently Trade Inspection Division) (until 2009)
2010 Joined Ministry of Economy, Trade and Industry, Commerce and Information Policy Bureau, Trade Credit Division (Currently Trade Inspection Division) (until 2011)
2011 Joined Yahoo! Japan Corporation Legal Department (until March 2015)
April 2015 Joined Yamashita, Tsuge, and Nimura Law Offices(until September 2018)
October 2018 Established Nakasaki Law Firm (Renamed to Nakasaki Sato Law Firm in 2019)

“International Comparative Legal Guide -Anti Money Laundering 2019”(Global Legal Group, 2019), Co-Author [wrote the Japanese Law part, Also wrote the 2018 edition] • Practice, Policy and Law Regarding Virtual Currency (Chuo-Keizai Sha Holding Inc.,2018), Co-Author
“Money Laundering Prevention Act” and “Foreign Exchange and Foreign Trade Act” (Chuo-Keizai Sha Holding Inc.,2019 [4th edition])
• Credit Transactions – Revised Installment Sales Act: Overview and Practical Solutions (Seirin Shoin, 2010), Co-Author
• Detailed Explanation of the Revised Installment Sales Act (Kinzai Institute for Financial Affairs, Inc., 2010)
• Explanation of the Installment Sales Act 2008 ver. (Japan Credit Association, Edited by Ministry of Economy, Trade and Industry, Commerce and Information Policy Bureau, Trade Credit Division), Co-Author

•Cashless Settlement and Regulation (Hogaku Kyoshitsu, volume 463 [April 1,2019 issue])
• Issues regarding the amendment of Japanese regulations on credit cards(Consumer Credit Monthly, Feb 2017 issue)
• The Abstracts of the Reform Bill of the Installment Sales Act (Consumer Credit Monthly, Nov 2016 issue)
• Advertisement Review of Ads Posted by Lawyers (JARO,Japan Advertising Review Organization, Report, September 2016)
• Dealing with the Japanese Anti-Money-Laundering Regulations Part 2(Web Magazine The Finance, August 31)
• Dealing with the Japanese Anti-Money-Laundering Regulations Part 1 (Web Magazine The Finance, July 26)
• Reform of the Act on Specified Commercial Transactions (Business Law Magazine, April 2016)
• B to C Transactions (Business Law Magazine, Feb 2016)
• Supreme Court Decision Regarding the Money Lending Business Act (Consumer Credit, Dec 2015 issue)
• Issues Regarding Amendment of the Installment Sales Act (Consumer Credit Monthly, June 2015 issue)
Trends and Issues Regarding Credit Cards & Other Payment Cards and Antitrust Law (CCR volume 3, Japan Credit Association, 2015)
• Issues Regarding the Handling of Affiliated Loans (Financial Legal Affairs,Volume 1882 [Nov 5, 2009 issue])
• Overview of the Payment Services Act and Measures to be Taken by Regulated Entities (Consumer Credit Monthly, August 2009 issue)
• Payment Services Act and Measures to be Taken by Issuers of Pre Payment Instruments (Consumer Credit Monthly, July 2009 issue)
• Government Report and Guidelines on Point Programs (or Loyalty Programs) (NBL volume 899 [Feb 15, 2009 issue])
• Crimes Related to Illegal Acquisition of Credit Card Numbers (Financial Legal Affairs, volume 1851 [Nov 25, 2008 issue])
• Legal Regulation Issues Pertaining to  New Settlement Services (Financial Legal Affairs, volume 1847 [Oct 5, 2008 issue]

Seminars & Symposiums
• Analyzing the reform of the draft amendment of the Cabinet Enforcement Order and Cabinet Enforcement Ordinance of the Japanese Personal Identifiable Information Act (Speaker at the conference of Information Network Law Association, August 19, 2016)
• Dealing with the Reform in the Japanese Anti-Money Laundering Regulations (Seminar at Kinzai Institute for Financial Affairs, Inc, June 27, 2016)
• Revision of the Anti-Money Laundering Act in Japan the impacts on Money Lending Businesses (Seminar at Japan Financial Service Association, Feb 8, 2016 and Feb 15, 2016)
• Data business and the reforms in privacy, credit card, and anti-money laundering regulations (Seminar at Fintech Association, Jan 25, 2016)
• Revision of the Anti-Money Laundering Act, and related laws (Consumer Credit Research Seminar, October 29, 2015)
• 19th Law Practice Reform Symposium Session 2: The relationship between law firms and in-house lawyers – Structural changes in law business – (Japan Federation of Bar Associations, October 16, 2015)
• Revision of the Prevention of Transfer of Criminal Proceeds Act (Japanese In-house Lawyers Association (3rd division), August 31, 2015)
• Amendment developments of the Installment Sales act and the Personal Information Protection Act (Consumer Credit Research Seminar, May 27, 2015)
• “The appeal of being a lawyer and the needed personnel within a symposium organization: Things every graduate law student should know” [Record of announcement] (Japan Federation of Bar Associations, July 2, 2011)

Feb 2016 Japan Online Game Association Auditor (until March 2018)
June 2015 Japan Bar Association In-house Lawyers Committee Vice Chairman

STEP 1st Grade, 113 TOEFL score, 975 TOEIC score, 8 years spent abroad in his youth

SATO Yuko (Ms.)

SATO Yuko (Ms.), Attorney-at-Law (Japan)

Areas of expertise

Regulations re settlement business(the Installment Sales Act, Money Lending Business Act, including Investment Laws and Interest Rates Restriction Act, Order for Enforcement of the Payment Services Act, Banking Act, Act on Prevention of Transfer of Criminal Proceeds, Foreign Exchange and Foreign Trade Act.)
Competition Law, Antitrust Law, Subcontracting Business Law(下請法)
Labor and Employment
M & A, reorganization
Compliance, Crisis Management, Corporate Governance
Support for venture companies, new business, IPO support
Inbound and Outbound Business
Cross-Border Transaction

Industries of Main Client

Banking and Finance (including FINTECH)
Publication, Advertising, Media Related
IT / WEB service

Academic Background and Career

2003 Graduated Hiroshima University High School, Fukuyama
2007 Graduated University of Tokyo (LL.B.)
2009 Graduated Kobe University Law School (J.D.)
2009 Finished the Legal Training and Research Institute of the Supreme Court of Japan

Became registered attorney (Daini Tokyo Bar Association)

Joined Jones Day,Tokyo Office (-2012)

2013 Work for some listed companies (Manufacturing and IT) as an in-house lawyer (-2017)
2017 Joined the non-listed IT company as an in-house lawyer (in service)
2019 Joined Nakasaki-Sato Law Firm


June 2018 Daini Tokyo Bar Association / International Committee

June 2018 Japan In-house Lawyers Association (JILA) / Public Relations and External Affairs Committee


Bookkeeping (Second Grade)

TOEIC score 940