Sumio Maruyama

Patent Attorney

Practice Area

Mr. Maruyama specializes in filing trademark and design applications at domestic and overseas patent offices on behalf of Japanese clients. He submitted his master’s thesis on the necessity for a correction system for loss of distinctive trademarks.




B.A., Department of Economics, Faculty of Economics, Gakushuin University
MIP, Intellectual Property, Tokyo University of Science

Professional Background

Precision machinery manufacturer; Private patent firm