Kenji Tosaki

Admitted to bar	2008, Japan
Languages	Japanese and English
Contact	Contact this Lawyer TEL : +81-3-6889-7206 FAX : +81-3-6889-8206
Practice Areas	IP Disputes, IP Transactions, Disputes in Foreign Jurisdictions, Pharmaceutical and Health Care, Civil and Commercial Disputes, General Corporate, IT and Telecommunications, Media, Entertainment and Sport

Biography

Kenji Tosaki is a partner at Nagashima Ohno & Tsunematsu. His practice focuses on dispute resolution. He specializes in intellectual property litigation and complex commercial litigation, and he also covers the area of TMT including data protection matters.

In the area of intellectual property litigation, he has been handling both IP infringement litigations and IP invalidation litigations before the IP High Court, the Supreme Court, District Courts and Japan Patent Office. His IP expertise includes a wide variety of IP matters (patents, copyrights, trademarks, design rights, unfair competition and trade secrets) in many areas, such as pharmaceuticals, telecommunications, electronics, social games, medical devices and chemicals. He also provides pre-litigation counseling, including infringement/invalidity analysis.

In the area of complex commercial litigation, he gives advice on matters such as securities law and cross-border contract.

He is a member of the Japan Association of Industrial Property Law, the Copyright Law Association of Japan and AIPPI Japan (International Association for the Protection of Intellectual Property). He is also an active member of TechLaw Group (http://techlaw.org/), which is a global network of technology savvy law firms.

Education/Professional Experience

1996	The University of Tokyo (LL.B )
1998-2000	Judge of Tokyo District Court
2000-2002	Judge of Hachioji Branch of Tokyo District Court
2001-2002	Visiting Scholar, Southern Methodist University Dedman School of Law
2002-2004	Deputy Director, Planning and Legal Division, Planning and Coordination Bureau, Financial Services Agency
2004-2004	Judge of Tokyo District Court
2004-2005	Deputy Director, Office for Privitization of Japan Post, Cabinet Secretariat
2005-2006	Judge of Tokyo District Court (Intellectual Property Division)
2006-2008	Judge of Takamatsu District Court
2008-	Nagashima Ohno & Tsunematsu
2010-present	Member of Policy Commission, Type II Financial Instruments Firms Association
April-September 2011	Adjunct Lecturer, Sophia Law School
2013-present	Partner, Nagashima Ohno & Tsunematsu
2016-2017	Chairman, Panel of Experts of Research regarding IP Strategy of Field in Regenerative Medicine, Japan Agency for Medical Research and Development
2017-2018	Committee Member, Research regarding IP Strategy and Optimization of Practical Use in Biopharmaceutical, Japan Agency for Medical Research and Development
2017-2018	Chairman, Panel of Experts of Research regarding the handling of experimental research data in deriving achievements in the medical field, Japan Agency for Medical Research and Development
2018-2019	Committee Member, Research regarding IP contracts, etc., for deriving investigator-initiated clinical trial data, Japan Agency for Medical Research and Development

Seminars

September 20, 2019	NO&T Seminars	"Transboundary Innovation and Law"
June 13, 2019	NO&T Seminars	US Patent Practice Seminar "US Patent Litigation - What's Hot and What's Not"
February 26, 2018	NO&T Seminars	"US Patent Litigation ‒ Recent Developments, Trends and Best Practices"
January 29, 2018	Seminars	Outline of Civil Trial for Intellectual Property, Case Study
May 19, 2017	NO&T Seminars	Part 5 "Hot Topics in Patents in the Pharmaceutical Industry - Patent Term Extension and Doctrine of Equivalence"
March 24, 2017	Seminars	Big Data Case Study and Discussion (Panel Discussion)
November 15, 2016	Seminars	A Global Look at the Liability and Defenses of Social Media Sites and Other Network Services
April 26, 2016	NO&T Seminars	ADVANCE Corporate Law Seminar - Pioneering the Frontier in Corporate Law 2016 Part 2 IP Seminar "Latest Intellectual Property Issues (NO&T IP Forum 2016)"
October 16, 2015	Seminars	Patent litigation practice in Japan

Publications

July, 2019

Articles

The Legal 500: 3rd Edition Intellectual Property Comparative Guide - Japan

The In-House Lawyer (online)

April, 2013

Articles

Recovering your losses

The 2013 Guide to Japan 11th Edition A Supplement to International Financial Law Review, April 2013

Topics

April 4, 2019	Awards	High evaluation received in the 2020 Edition of "The Best Lawyers in Japan"
April 6, 2018	Awards	High evaluation received in the 2019 Edition of "The Best Lawyers in Japan"
March 3, 2017	Awards	High evaluation received in the 2018 Edition of "The Best Lawyers in Japan"
February 29, 2016	Awards	High evaluation received in the 2017 Edition of "The Best Lawyers in Japan"
May 28, 2015	Awards	High evaluation received in the 2016 Edition of "The Best Lawyers in Japan"
October 17, 2014	Awards	High evaluation from Best Lawyers in the Fifth Edition of "The Best Lawyers in Japan"

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