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About Us

Opening Doors to Japan IP Law

NAME: RYUKA IP LAW FIRM  Shinjuku L Tower: Ryuka Law Offices

Shinjuku L Tower 22nd Floor, 1-6-1 Nishi-Shinjuku,
Shinjuku-Ku, Tokyo, 163-1522, JAPAN

TEL: +81-3-5322-6375

FAX: +81-3-4586-7302

ACCESS MAP: Click here

Our team specializes in the following technical areas: electronics, telecommunications, software, optics, mechanical engineering, semiconductors, electronic materials, and chemicals.

Number of Applications Represented by RYUKA per year
Applications Represented by RYUKA
The total number of domestic and foreign applications per year for patents, utility models, designs, and trademarks by both national and foreign applicants.
International applications into or out of Japan are based on the nationalization date, pending applications transferred to our firm are based on the date of transferring, and all others are based on their actual filing date.
(*The number for the year of 2019 calculated by "the number of cases in 2019 as of the end of September 10 x 365/248".)

Our client list is extensive and varied, including well-established domestic and international companies, smaller startup organizations, and individual inventors. We aim to provide universally high quality service to all companies, regardless of their size or status, in an effort to contribute to the realization of their full business potential. Clients range from hands-on companies that research and develop ideas, to international law firms for whom we open doors to the Japanese IP system. The quality of our client list and the strength of our client relationships attest to the quality and dedication of our staff.