We are an international patent law firm capable of assisting clients in all aspects of filing for patents, trademarks, and designs domestically and overseas.

Patent attorney registered in 1983 and entitled to handle litigation in 2005.
Mr. Sakuma has been working for the firm since 1983 after worked for a major Japanese chemical company as a researcher and for another IP law firm in Japan, and he is now a deputy director of the firm in charge of domestic patent cases for domestic clients and supervises other attorneys and paralegals. He provides opinions on validity and infringement regarding patents.