Attorney profiles

Naho Ebata


1998 LLB, Keio University, Law Faculty
1999 Entered the Legal Research and Training Institute (53rd graduating class)
2000 Admitted to the bar (Daiichi Tokyo Bar Association)
Joined Abe, Ikubo & Katayama
2004 Councilor's Office on System Reform, General Affairs Division, General Affairs Department, Japan Patent Office under the Law Concerning the Recruitment of Local Public Entities' Employees with a Fixed Term in Regular Service
2005 Resumed work at Abe, Ikubo & Katayama

Main Areas of Practice

Naho Ebata is engaged in general corporate matters including intellectual property and bankruptcy.

In the area of IP such as patents, trademarks, copyrights and unfair competition, her activities include representing clients in lawsuits for infringement and rescission of trial decision, filing a petition for Customs regulations at the border, providing legal opinions and advising on license agreements and disputes. During the time when she was seconded to the Japan Patent Office, she was involved in drafting the amendment of the trademark law and anti-counterfeiting.

In the area of corporate turnaround, she acted as a deputy trustee for Japan Airlines and also handled various rehabilitation matters.

In the field of corporate practice, she provides legal advice including M&A and product safety in widely ranging areas such as life science, telecommunications, IT and consumer products.


  • Japan's Unique Combination of Experts and Advisors" Managing Intellectual Property (21 November 2016)
  • "Ichitaro Case" Jurist No.1575 (January 2015)
  • "For Improvement of Attractiveness and Presence of Japanese IP Dispute Resolution System" Institute of Intellectual Property (IIP) Forum Vol.98 (August 2014)
  • "Selection of IP Court Decisions for Practice" (Co-author) Special Number of Jurists (April 2014)
  • "Establishment of Regional Brands and Regional Collective Trademarks" Houritsuno Hiroba Vol.66 No.10 (October 2013)
  • "From Sound Logo To New Trademarks" "For the Development of a Country Built on IP" Japan Institute for Promotion of Invention and Innovation (September 2013)
  • "Possibility of Protection of GI by Certificate Mark System (by comparison with regional collective trademark)" Institute of Intellectual Property (IIP) Forum Vol.86 (August 2011)
  • "New – Commentary to Patent Law" (Co-author) Seirin Shoin (April, 2011)
  • "Recent Movements and Remaining Issues of the Trademark System in Japan" Patent Studies No.51 (March, 2011)
  • "Japanese Patent Litigation, 2009 ed. " (Co-author) West (2009)
  • "Trademark Practice – From Branding Strategy to Enforcement-" (Co-author) Minjiho Kenkyukai (2009)
  • "Litigations for Cancellation of Trial Decisions" (Co-author) Minjiho Kenkyukai (2007)
  • "Distinctiveness of 3-D Trademarks" Law&Technology (April 2009)
  • "Amendment of Patent Specification and Change of Gist" AIPPI Journal of the Japanese Group Vol.53 No.9 (September 2008)
  • "Use Invention - with a focus on medical-related actions –" (co-author of Chapter IV "Patent Protection of Medical Methods and Drugs in Japan, Europe and the United States") (Institute of Intellectual Property Edition)
  • "Possibility to Deal with the Problem of Research Tool Patents by Compulsory License" Jurist No.1321 (October 15, 2006)
  • "Case Introduction - A case in which the court denied that a trademark "Miura Hayama Gyu", which consists of a name of place ("Miura Hayama") and a word meaning beef ("Gyu"), has acquired distinctiveness through use thereof" Patent Studies No.42 (September 2006)
  • "Cross Border Infringement of Intellectual Properties" Institute of Intellectual Property (IIP) Forum Vol.66 (August 2006)
  • "Sound Marks and Phonetic Use of Trademarks" Intellectual Property Management (April 2006)
  • "EPO Decision (T 1020/03) on Drug Administration Invention" A.I.P.P.I. (March 2006)
  • "Outline of the Law Partially Amending the Trademark Law" Law & Technology (July 2005)