long time experiences in legal, compliance and risk management at companies.

~Example of practice areas (Individual)~
Labor matters Wage, Overtime, Unfair dismissal, Power abuse, Sexual harassment, Industrial accident etc.)

Consumer protection (Cancellation of contract, Request for refund etc.)

Traffic accident (Settlement negotiations, Claims of insurance etc.)

Real estate (Sale & purchase, neighborhood relations etc.)

Architecture (Defects of house, Reform etc.)

Inheritance(Will, Division of inherited property etc.)

Family (Divorce, Parental right, Guardian, DV, Affairs etc.)

Defamation on the internet (Reputation damage, Demand for Disclosure of Identification Information )

Debt (Workout, Bankruptcy, Civil rehabilitation etc.)

Credit (Collection etc.)

Foreigners (Certificate of eligibility, Special permission to stay, The Hague convention etc.)
~Example of practice areas (Corporate)~
General compliance (Internal control preparedness, Internal rules set-up etc.)

Internal control enhancement of insurance agencies

Support for incorporation

Support for new business in Japan or overseas

Support for IPO

Corporate action (M&A, Business transfer etc.)

Intellectual properties

Credit collection

Bankruptcy, Corporate reorganization

Cross-border transactions

Contract drafting

License from government




Katsuhiro Iwayama, Attorney at Law


Daiichi Tokyo Bar Association

​Registration Number: 56770

Born in June 1973

Origin: Yokohama

Education: KEIO Gijuku University

                           TOIN Law School

(Past job history)

Yasuda (Current: Meiji-yasuda) Mutual Life Insurance​

NN Life Insurance

FWD (Current: FWD)Fuji Insurance

Executive Officer at Rakuten Insurance Holdings

Director (Part-time) at Rakuten Insurance Planning


​Head of Legal & Compliance at Creationline, Inc.​

​Language: Japanese, English and Thai (Conversational)

​A member of Human Rights Committee (Section 7 ) at Daiichi Tokyo Bar Association

Partner : Attorney Mr. Leona Ohki

Leo United Ginza Law office

(Business partnership for sharing knowledge and providing better service.)


I worked for companies, mainly insurance companies after graduating from university. While working at a company, Also, I studied and passed bar exam while I was working at company.

At the companies, I was in charge of legal, compliance, risk management etc. and made an effort for enhancing internal control preparedness, also I have an experience to set up internal control preparedness from scratch. Recently, I worked as executive officer at a insurance holding company and was in charge of legal & compliance management of subsidiaries.

Due to such experiences, I believe that I can provide advices with practice based on past experiences.

Currently, I have worked for a IT company and soaking up new knowledges while I am managing my own law office. I will also provide appropriate advices about issues on contract etc. in IT industry.   

On the other hand, I have widely accepted individual matters such as family, labor, real estate, debt etc.  I will take properly by cooperating with partner lawyer in case, so please feel free to contact. 

​Furthermore, I have also accepted consultation with non-Japanese speakers in English. So, please feel free to contact as well.




 In detail, we will propose specifically after interviewing details and based on ex-fee criteria (See below) issued by Japan Bar Association. 

   If you are concerning about retainer fee, we may arrange flexibly such as  zero retainer fee plan (Incentive fee system). Contact us anyway. 



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Thank you for inquiry.


~Office Information~

PRIME OFFICE307, 1-2-2 Higashi-Kanda Chiyoda-Ku, Tokyo