1-6-1 Nishi-Shinjuku
Shinjuku L Tower 22nd Floor
Tokyo Shingjuku-Ku


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RYUKA IP Law Firm is led by IP professionals with diverse backgrounds in many technical fields and expertise in a variety of jurisdictions. Our key practice areas include patents, trademarks, copyrights, licensing, designs, utility models, and litigation, with areas of technical specialty in electronics, telecommunications, software, optics, mechanical engineering, semiconductors, electronic materials, and chemicals. Ryuka’s visualization and consulting experts support inventors in the realization of their ideas and our talented patent attorneys and other IP practitioners work with professionalism to keep our clients’ valuable assets safe. Our clients can always expect a prompt response, and we have always demonstrated professionalism to meet our clients’ needs and expectations. 

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.

RYUKA currently has 109 employees, of which 35 are attorneys.