Attorney Profiles
Attorney at Law, Patent Attorney
Makoto Hattori

LLB, Keio University, Faculty of Law 1996 Entered the Legal Training and Research Institute


Admitted to the bar (Daiichi Tokyo Bar Association) Joined Abe, Ikubo & Katayama


Secondment as Deputy Director to Intellectual Property Policy Office in Ministry of Economy, Trade and Industry under the Law Concerning the Recruitment of Local Public Entities’ Employees with a Fixed Term in Regular Service


Overseas Training LLM, University of Pennsylvania Law School, Researcher at Max-Planck Institute (Munich) for Intellectual Property, Competition and Tax Law, Germany


Passed the New York Bar 2004 Resumed practice at Abe, Ikubo & Katayama (August)


Adjunct instructor at Keio Univ. Master’s Course, Faculty of Science and Technology


Member of Japan Federation of Bar Associations Intellectual Property Law Center


Candidate for an expert adviser for examination process for the application for import suspension at the Customs Office


Identified as one of the most highly acclaimed legal experts in Japan for Intellectual Property in the 2015, 2016, 2017 and 2018 edition of Asialaw Leading Lawyers


Identified as one of Recognised Practitioners in Japan for Intellectual Property in the 2019 edition of Chambers Asia-Pacific


Included in the 2020 Edition of The Best Lawyers in Japan for Intellectual Property Law


Chairperson of Intellectual Property Center of the Japan Federation of Bar Associations


・Licensing Executives Society Japan
・Japan Academy of Industrial Property Law
・Japan Academy of Copyright Law

Main Areas of Practice

Makoto Hattori is specialized in litigation related to domestic and international intellectual property disputes, especially patent infringement litigation. Mr. Hattori has represented various clients in many types of disputes. He has served a main role in court in numerous cases, many of which have achieved successful outcomes.


During the time when he was seconded to METI, he had the experience of being involved in the planning and formulation of Japan’s intellectual property strategy and worked on the amendment of the Unfair Competition Prevention Law.

Publications and Articles

・”Review of the “Model Procedural Timetable for Patent Infringement Litigation (Infringement Disputes)” published by the Intellectual Property Divisions of the Tokyo District Court” AIPPI International Edition Vol.37 No.4
・”Patent Infringement by Multiple Parties in Japan”『Patent Practice in Japan and Europe -Liber Amicorum for Guntram Rahn』Kluwer Law International
・”Revision of the Patent Act in Japan” AIPPI International Edition Vol.36 No.2
・”Litigation: Expert Witnesses (Japan)” Managing Intellectual Property Survey 2007 (Co-author)
・”Commentary on the Law Amending the Court Law Etc.,” Japan Institute of Invention and Innovation (Co-author)
・”Cases Holding that Invoking Prescription after Partial Payment of Money for ‘Reasonable Consideration’ after the Expiration of the Effective Period is Contrary to the Principle of Good Faith (Case Commentary)” Tokkyo Kenkyu
・”Japan the ‘IP Nation'” Intellectual Property UPDATE
・”Commentary on the Judgment of the Supreme Court, March 25, 2002″ ICC (International Review of Intellectual Property and Competition Law) C.H. Beck
・”Practice for Point of Entry Regulations in regard to Patent Infringing Products” Chizai Kanri (Intellectual Property Management) (Co-author)
・”Protection of License Agreements at the Time of Insolvency” NBL (Co-author)
・”Joint Patents and Insolvency– the Effect of the Insolvency of a Joint Patent Holder on Other Co-owners and Licensee and Related Countermeasures” Chizai Kanri (Intellectual Property Management) (Co-author)
・”Article by Article Explanation of the Unfair Competition Prevention Law” (Co-author) Yuhikaku


・Asialaw Leading Lawyers/ 2015- selected as Asialaw Distinguished Practitioner 2021 in Intellectual Property, et al.

・Chambers and Partners/ 2018- ranked in: Intellectual Property: Domestic in Asia-Pacific Guide 2021/ Global, et al.

・The Best Lawyers/ 2019- ranked in 2020 Edition of the Best Lawyers in Japan (Intellectual Property), et al.

・IAM/ 2020- ranked in Patent 1000, Japan: Domestic, et al.

・Benchmark Litigation / 2020- selected as Litigation Star in Asia Pacific 2021 (Intellectual Property), et al.