Our office is a comprehensive international patent office, providing services mainly for domestic and foreign intellectual property including patent, utility model, design and trademark to our clients. Patent attorneys and staff of our office not only have high expertise and knowledge but also evaluate a teamwork between patent attorneys and staff members, and arrange a system for responding to various requests from our clients systematically. Our handling business fields are wide-ranging: domestic patent and foreign patent applications and right obtainment business as well as disputes business including expert opinion and litigation on infringement, etc., translation business, patent search and consulting. As for dispute business, we provide services in collaboration with attorneys at law (focusing on Intellectual Property, etc.) of our affiliated law firm.

Basic Philosophy of Our Office

The basic philosophy of our office is "Doing the best for our clients." Our goal, ﾒTargeting the best for our clientsﾓ may sound like very common and natural, but we think it most important to always remember and perform "Doing the best for our clients." which is a basic rule of patent attorneys and patent offices.

Office Profile

Trade Name	Sakamoto & Partners
Location	Address：Yamatoya Building, 2-13 Yotsuya, Shinjuku-ku, Tokyo 160-0004　JAPAN TEL：03-5919-3041（main）　FAX：03-5919-3042 URL：http://www.sakamotopat.com　E-mail：info@sakamotopat.com
Staff	President patent attorney：Tomohiro Sakamoto the number of staff members：33
Business contents	Patent, Utility Model, Design, Trademark Domestic application, foreign application, intermediate processing, various appeals, opposition against trademark registration, action for cancelling trial decision, infringement litigation, expert opinion, search, SDI, monitoring annuity and renewal, consulting, mediation of concluding an agreement, various kinds of training, etc.
Technical field	Machine, electricity, electronics, communication, semiconductor, computer, software, medical devices, materials, chemistry, biotechnology, food, etc.
Features of our office	We will support from domestic and foreign applications to monitoring and renewal. Our patent office can mainly handle searches. We will support an advance to overseas through a wide network with foreign offices.
Foreign affiliated office	USA, Europe, Canada, China, Korea, Taiwan, India, Thailand, Malaysia, Singapore, Indonesia, Australia, Mexico, Brazil, Argentina, Israel, Yemen, Saudi Arabia, Iran, UAE, Iraq, Turkey, South Africa, etc.