Jun Ito

While working in the IP department of a manufacturing firm, Mr. Ito was involved with the discovery of inventions and acquisition of rights for foreign and domestic patent submissions, FTO, IP education, IP due diligence and dispute resolution across a wide range of technical fields such as various types of high polymer materials, fine chemicals and waste water treatment. In addition to having completed a training course at a US law firm, Mr. Ito has international experience including the organization of a collaborative system for IP tasks at overseas group companies and support for the introduction of an employee’s invention system for Chinese businesses. Mr. Ito is committed to providing customized and appropriate services to clients with respect to their business strategies in consideration of the various IP-related issues that can occur at their company.


Patent Attorney


Japan Patent Attorneys Association (2016)

Passed US Patent Bar Examination (2018) (but not registered to practice in the US)

Areas of Legal Expertise

Patent and utility model applications, trials and appeals

Areas of Technological Expertise

General chemistry

Professional Experience

2019 – present

Sonderhoff & Einsel, Law and Patent Office

2013 – 2019

Kuraray Co., Ltd.



Kyoto University Department of Material Chemistry, MSc


Kyoto University Undergraduate School of Industrial Chemistry, BA


”2 Developments in European IP” (Intellectual Property Law Annual Report 2020-2021 pp 220-234, Nippon Hyoron sha co., Ltd., Co-author: Jun Ito) December, 2020


Japanese, English