• Seamless cooperation

  • Communication across all borders

  • Emphasis on providing practical advice

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Latest News

Notice

Sonderhoff & Einsel Law and Patent Office and Sonderhoff & Einsel Tax Co. have entered into a business alliance with CREA Audit Corporation (located at Denis Akasaka Bldg. #401, 2-20-5 Akasaka, Minato-ku, Tokyo; Representative Partner: Susumu Kitsunai) effective November 26, 2024.

CREA Audit Corporation is an accounting firm with extensive experience in auditing listed companies and multinational corporations. Through this alliance, we will be able to provide our clients with even higher quality one-stop services than before.

For details regarding this alliance, please contact Sonderhoff & Einsel Tax Co. (Representative Tax Accountant: Toshio Nagashima, tax@se1910.com

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Who are we?

Founded in Japan in 1910, Sonderhoff & Einsel is a multicultural firm with professionals from Europe, Japan, the US and China. Our legal, IP, tax and accounting experts provide practical, goal-oriented solutions across a wide range of practice areas to our international and Japanese clients.

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Newsletters

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Events & SEMINARS

Shogo Matsunaga spoke on behalf of INTA’s Anticounterfeiting Committeea on a panel discussion “IP and Innovation, Joining Forces with Consumers to Fight Counterfeits” with the JPO and Amazon.

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ON FEBRUARY 17, 2021, PATENT ATTORNEYS FELIX EINSEL, MASAKO BARNARD AND HIROYUKI YAJIMA HELD AN ONLINE SEMINAR FOR VPP MITTE SÜD IN GERMANY

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On November 06, 2019, S&E held an EU Life Science IP Study Session titled, “Patenting in the Field of Biotechnology, Biology and Pharmacy at the EPO – Problems and Possibilities”.

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ON OCTOBER 17, 2019, S&E HELD AN EU IP LAW SEMINAR

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Access

  • Tokyo Location

    Shin Marunouchi Center Bldg. 18th Floor
    1-6-2 Marunouchi, Chiyoda-ku
    Tokyo 100-0005

  • Within Tokyo

    Our office is located within walking distance from Tokyo Station (5 min) and Otemachi Station (5 min).
    Tokyo Station: Marunouchi North Exit (towards Marunouchi Oazo Complex)
    Otemachi Station: Exit B2b

  • From Narita Airport

    We suggest taking the Narita Express from Narita Airport to Tokyo Station. Duration: about 60 min.

  • From Haneda Airport

    We recommend taking the Tokyo Monorail, changing to Tokyo Station-bound JR lines at Hamamatsucho Station.

Important Notice (COVID-19)

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