T&N International Nagatomo  Law Professional Corporation

T&N International Nagatomo Law Professional Corporation

Welcome to our Firm!

T&N International Nagatomo Law Professional Corporation was established in 2014 and is the first international law firm in Sapporo, Hokkaido. Since our establishment, we have been providing our clients with reliable professional legal services.

We are partnered with in-depth and diverse experienced lawyers, enabling us to provide full legal services. We have an excellent patent attorney with a 20-year experience and support to protect your business and intellectual properties.

We handle a vast array of services, providing swift and reliable legal work for both domestic and international cases. Our service includes support for international businesses; dispute resolution; public and private international law issues; concerns related to agriculture, forestry, and fisheries.

We believe that our knowledge and experience, along with our able staff can fully cater to all your legal needs.


Takanori Nagatomo, Representative Attorney

Work Experience

Attorney Nagatomo had worked for the Ministry of Agriculture, Forestry and Fisheries from 1996 to 2006 as a First level civil officer. While working for the Fisheries Agency in the Ministry, he was mainly in charge of international affairs and attended various international conferences as a member of national representatives such as the International Whaling Commission (IWC), the Russia-Japanese Fisheries Agreement Negotiations, the African Development Council (TICAD), the Atlantic Coast Africa Fisheries Ministerial Conference (COMHAFAT), the North Atlantic Maritime Mammal Committee (NAMMCO). He also worked in the Department of International Affairs of the Ministry as a representative negotiator to conclude the economic partnership agreement with India from 2005 to 2006.

He has deal with not only international issues, but also domestic issues such as divorce, inheritance, business contract, corporate laws. He is also giving services of intellectual properties such as registration of trade mark and patent.


2010 Juris Doctor, Hokkaido University Law School (International Public Law)
2009 Master of Legal Institutions, University of Wisconsin-Madison Law School
2001 Master of International Development, Duke University
1993 Master of Science (Agriculture and Fisheries), Kyushu University

Specialty Areas

International Corporate Law (international business support, international contracts, negotiation, M & A etc.)
International civil and family law (international dispute, international divorce, international inheritance, trouble with foreigners in Japan etc)
Agriculture, forestry and fisheries (fishery right issues, union troubles, resource management etc.)
Internet problems (internet slander, harmful reputation, internet defamation)
Intellectual properties (patent, trademark registration)

Organizations, Affiliation Committees of Bar Association

Northern Region Relations Committee of Hokkaido Federation of Bar Associations
International Affairs Committee of Sapporo Bar Association
International Relations Committee of Japan Federation of Bar Associations
Russia Japan Lawyers Council (Founding member)
Accreditation of Support agencies for business innovation (Certification of No. 50 of June 29, 2018)

Activities as  Lawyer

Attending St. Petersburg International Legal Forum as a member of the delegation of Japan since 2015.
Participating in mutual exchanges between Sakhalin Bar Association and Hokkaido Federation of Bar Associations since 2015.
Attended the bilateral meeting of Russian Federation of Bar Associations and Japan Federation of Bar Associations in 2017 and 2018.
Working as one of the founding members of Russia Japan Lawyers Council since 2017.

Media Appearance
Posted coverage on Yomiuri Shimbun, Hokkaido shimbun, Suisan Shimbun(Fisheries Newspaper), etc., and appeared in TV programs as a lawyer familiar with international affairs and fisheries.
Radio personality of the program “Kotoni Attorney’s Cafe” of Sankakuyama Radio Station since 2016.
Please inquire for requests for interview, media appearance and seminar lecture.

Hobbies & Skills

Fishing: loves fishing since elementary school student. He is called as a fish professional lawyer.
Kyudo (Japanese archery): He has 5th dan level archer. He won the high school competition in Kumamoto Prefecture and participated in the Inter-high school national competition as the winner of Kumamoto competition. He also won the U.S. National Kyudo Championships in 2000.
Snowboarding: enjoying powder-snow in Hokkaido currently.

Favorite Words

人間万事塞翁が馬(jin kan ban ji sai ou ga uma): the proverb from an old Chinese story which means “inscrutable are the ways of heaven”

Mika Nishimura, Attorney

Tizo Inoe, Attorney

Toshiyuki Tsunemoto, Patent Attorney

  • Patent for  artificial intelligence (AI) , IoT, IT, computer and software
  • International patent and trademark

Practice areas

General Civil Actions

●Divorce and other family law
●Inheritance and Will
●Traffic accidents
●Consolidation of consumer debt
●Reimbursement of over-payment of debts
●Other general civil issues

International Practice

●International business/contract support
●Private/public international law issues
●International disputes

Agriculture, Forestry, and Fisheries

●Fishing-rights issues
●Conflict resolution within an agricultural /fisheries Association
●Other issues related to agriculture, forestry, and fisheries

Intellectual Property

●Patent applications
●Trademark registrations
●Consultations and litigation regarding Infringement of Intellectual Property

Legal Consultation

If you need a legal consultation, please contact us by phone, e-mail or contact form. We will respond you as soon as possible to make an appointment with our attorney.
※We do not provide legal advices by email or over the phone.

Consultation fee

  • Personal issue : 5,000 JPY (+ consumption tax) per 1 hour.
  • Corporate legal issue : 10,000JPY (+ consumption tax) per 1 hour.

※The consultation fee will be free in case we make a contract after the first consultation. We also provide free consultation for the cases of car accidents (victims only) and inheritances (except making will).


Our Office is located on the 3rd floor of Kinokuniya bldg, directly connected to the Exit 3 of subway Kotoni station.

3-18-3F, Kotoni 1-4 Nishi-Ku, Sapporo, Hokkaido 063-0811
TEL 011-614-2131/FAX 011-590-1562
Business hours:9 am – 7 pm (Monday-Friday)

Nagatomo International Law Firm, Kotoni 1 Jo, 4 Chome, Sapporo, Hokkaido Prefecture

Contact us

Please feel free to contact us!
Your attention to our firm will be greatly appreciated.
We will reply within three business days. For immediate assistance, please call us at 011-614-2131.

How would you like to be contacted?