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Hiroto Imai


Hiroto Imai

Hiroto Imai is a Japanese qualified lawyer (Bengoshi) and a Japanese patent attorney (Benrishi) in Hogan Lovells' Tokyo office. Since 1997, Hiroto has handled various patent and other intellectual property disputes/matters, including patent litigations in a variety of industry sectors, invalidation trials, face-to-face negotiations, settlements, brand protections, licensing, and IP aspects of corporate and commercial transactions. Whilst his primary focus is on IP practice, Hiroto also has extensive experience in handling corporate and commercial disputes/matters in a wide variety of areas.

Hiroto studied science at Waseda University (B.Eng.1991) and at the Graduate School of Science and Engineering, Waseda University (1991-1992). He studied law at the Legal Training and Research Institute, the Supreme Court of Japan and at the University of Pennsylvania, (LL.M.2002). Prior to joining Hogan Lovells, he worked at the Tokyo and London offices of a Magic Circle firm in the IP and Corporate practice groups, as well as at leading Japanese law firms.

In Japan, few attorneys have scientific or engineering backgrounds; however, Hiroto actively uses the strength and knowledge of his own scientific background in handling patent disputes/matters, etc., in various technical fields, whether they are contentious or not.

Areas of Focus

Representative Experience

Acting for various global/Japanese companies in relation to numerous commercial disputes, including, product liability, labor and contractual disputes.

Advising clients on company law, labour and employment laws, product liability law, anti-monopoly law, government regulatory laws, commercial matters, trade secrets, and real property.

Advising global and Japanese companies in relation to patent disputes including performing provisional dispositions, litigations, invalidation trials, face-to-face negotiations with adverse parties, and settlements.

Advising global/Japanese companies on IP related contracts, personal data protection, IP commercial transactions, patent/trademark infringement search reports, IP due diligence, foreign patent disputes.

Advising global/Japanese companies regarding IP disputes including trademark, design, copyright, utility model rights, know-how, trade secret, Unfair Competition Prevention Law, and personal data protection.

Education and admissions


  • LL.M, University of Pennsylvania, 2002
  • B.Eng, Waseda University, 1991
  • Graduate School of Science and Engineering, Waseda University, 1991 - 1992

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