Message from the Representative Patent Attorney

Representative Patent Attorney Hiroaki Kaita

Representative Patent Attorney Hiroaki Kaita

Representative Patent Attorney Hiroaki Kaita gained industry experience at a steel manufacturer after completing his graduate course at university. He then joined the world of intellectual property as a practical man with a hands-on approach.
With over 20 years of industry experience in IP, he has honed his knowledge in attaining rights for patents, designs, trademarks, and all other forms of IP. He has a particularly extensive track record in Japanese patent applications, and has produced over 1,000 specifications to date (as of November 2021). He has also worked with over 1,600 design applications (in Japan and abroad; as of November 2021), and he continues to be involved in more projects on a daily basis.
Representative Patent Attorney Hiroaki Kaita's motto is to always engage in work with a passionate and earnest outlook. Drawing from his industry experience, he maintains a modest attitude and exerts every effort in his daily tasks to accommodate his clients' IP needs in a swift and accurate manner.

Areas of expertise

Patents, designs, trademarks, domestic applications, international applications, appraisals, contracts, dispute resolution, litigation, searches, advice, consulting

Education and career


March 1994

Graduated from the Department of Modern Mechanical Engineering at Waseda University

March 1996

Completed the Master's Course (Mechanical Engineering) in the Graduate School of Science and Engineering at Waseda University

September 2006

Completed the Master's Course (Business Law) in the School of International Corporate Strategy at Hitotsubashi University Business School


April 1996

Joined Kobe Steel

September 2002

Joined a major Japanese patent firm

November 2003

Registered as a patent attorney (registration number 12874)

February 2006

Granted the supplementary note of specific infringement lawsuit counsel

February 2008

Engaged in joint management at a Japanese patent firm

External activities


Head of the editorial board for the Patent magazine at the Japan Patent Attorneys Association


Instructor for new recruits in the Education Institute at the Japan Patent Attorneys Association

FY2011, FY2012

Council member at the Japan Patent Attorneys Association

FY2012, FY2013, FY2015, FY2016

Patent attorney examination board member (Design Act written and oral examination) within the Industrial Property Council at the Ministry of Economy, Trade and Industry

Many other positions

Japan Patent Attorneys Association Japan Patent Attorneys Association
Vice Chairman, Political Federation of JPA Vice Chairman, Political Federation of JPA
Director, LTR Consulting Partners Director, LTR Consulting Partners


  • 5th Floor, Teikoku-Shoin Building, 3-29, Kandajinbocho, Chiyoda-ku, Tokyo, 101-0051, Japan