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Patent and utility model applications, trials and appeals
HIROSHI SATO
Mr. Sato has a broad scientific background, having studied and conducted research across multiple disciplines during his graduate studies, including biochemistry, physical chemistry, organic chemistry, and computer modeling. This enables him to handle a wide range of technologies covering virtually all fields of chemistry. Drawing on extensive professional experience in diverse technical areas, he is also capable of working with a broad spectrum of technologies. In addition, with more than 30 years of experience in obtaining patent rights in Japan and abroad, he is well versed in patent prosecution procedures in various foreign jurisdictions.
Profession
Patent Attorney
Admissions
Japan Patent Attorneys Association (2003)
Legal Expertise
Areas of Technological Expertise
Chemistry (all fields), semiconductors, electronic materials, optical materials, textiles, agrochemicals, metals (smelting and processing), organic synthesis, petrochemicals, biotechnology and other technical fields upon consultation.
Professional Experience
2026 – Present Sonderhoff & Einsel Patent Office
2016 – 2026 Kawaguti & Partners
2011 – 2016 AXIS Patent International
2004 – 2011 PRIMEWORKS IP Attorneys, Hayami Office (now Prezio IP Firm)
2003 – 2004 KOYO International Patent Firm
1996 – 2002 Suzuki International Patent Firm (now SSINPAT Patent Firm)
1994 – 1996 Koike International Patent Firm
2006 – 2008 Part-time Lecturer, Faculty of Education, Iwate University
2011 Part-time Lecturer, Faculty of Law and Faculty of Economics, Niigata University
Candidate for Intellectual Property Valuation Specialist
Education
1993 M.S. in Science, Graduate School of Science, The University of Tokyo
Lectures
Invited Speaker, AIPLA Annual Meeting (Washington, D.C., 2016), Chemical Practice Committee, “Panel Discussion on Global Written Description and Enablement Standards”
Languages
Japanese, English
