Since its establishment in 1910, our firm has been providing legal services centered on corporate law and intellectual property law to domestic and international companies, primarily European corporations.
Firm Overview
| Name | Sonderhoff & Einsel Law Office |
| Address | 18F, Shin-Marunouchi Center Building, 1-6-2 Marunouchi, Chiyoda-ku, Tokyo 100-0005 |
| Contact | Phone：03-5220-6565 FAX：03-5220-6583 Email：law@se1910.com |
| Organization | Attorney at Law: 6, Judicial Scrivener: 2 |
History
| 1910 | Dr. Karl Vogt, German lawyer established the "Crosse, Heath & Vogt" Law and Patent Office in Yokohama |
| 1932 | Dr. Roland Sonderhoff joined the firm |
| 1956 | Mr. Reinhard Einsel joined the firm |
| 1972 | Established a one-stop service system as "Sonderhoff & Einsel" |
| 2026 | Through organizational restructuring, formed a three-entity structure consisting of Sonderhoff & Einsel Law Office, Sonderhoff & Einsel Patent Office, and Sonderhoff & Einsel Tax Corporation, providing comprehensive professional services |
Sonderhoff & Einsel Group
Sonderhoff & Einsel Patent Office
18F, Shin-Marunouchi Center Building, 1-6-2 Marunouchi, Chiyoda-ku, Tokyo 100-0005
Phone：03-5220-6500 / FAX：03-5220-6556
Email：patent@se1910.com
Sonderhoff & Einsel Tax Corporation
18F, Shin-Marunouchi Center Building, 1-6-2 Marunouchi, Chiyoda-ku, Tokyo 100-0005
Phone：03-5220-6563 / FAX：03-5220-6564
Email：tax@se1910.com
Regarding Our Firm's "Individual Number or Corporate Number"
In accordance with the commencement of the "Social Security and Tax Number System (commonly known as My Number System)", we would like to provide guidance regarding attorney fees paid to our firm.
For the statutory documents (payment records) related to attorney fees paid to our firm, please fill in the "Payee" section as follows:
Payee
| Address (domicile) or location | 18F, Shin-Marunouchi Center Building, 1-6-2 Marunouchi, Chiyoda-ku, Tokyo |
| Name | LPC Sonderhoff & Einsel |
| Individual Number or Corporate Number | 3010005040401 |